Location and Projects
National Network Services HVAC/Mechanical Contractor
National Network Services, 389 W Rock Island Rd, Grand Prairie, TX (Employees: Glen A Leatherwood, Glen Allen Leatherwood, and Glen Leatherwood) holds a Mechanical Contractor license and 71 other licenses according to the Mesquite license board.
Their BuildZoom score of 111 ranks in the top 4% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring National Network Services, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
National Network Services Contact Information
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National Network Services Grand Prairie
Quality
Activity
|
27 projects
|
2025 |
|
39 projects
|
2024 |
|
40 projects
|
2023 |
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
12 projects
|
Commercial Renovations |
|
8 projects
|
Home Additions |
|
43 projects
|
Mechanical projects |
|
14 projects
|
HVAC projects |
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
5 projects
|
$250k-$500k |
|
6 projects
|
$500k-$1mil |
|
9 projects
|
$1mil+ |
Building Permits by National Network Services
This is a sample of this contractor's permits. Click here to access their complete permit history.
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National Network Services License info
Verified License
| License # | ME-032357-2026 |
| Status | Active |
| City | Mesquite |
| Type | Mechanical Contractor |
| Class | Mechanical Contractor |
| Date Issued | 07-02-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the City of Mesquite.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LA00003122E |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for National Network Services at the Denton County.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-MEC-26-0101 |
| Status | Active |
| City | Decatur |
| Type | Mechanical (Hvac) Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the City of Decatur.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LA00003122E |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of National Network Services with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-2509-0847 |
| Status | Active |
| City | Keller |
| Type | Mechanical Contractor |
| Class | Mechanical Contractor |
| Date Issued | 09-16-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25-000189 |
| Status | Active |
| City | Mansfield |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of National Network Services with the City of Mansfield
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Midlothian |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CTR-296 |
| Status | Active |
| City | Port Aransas |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of National Network Services with the City of Port Aransas
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License Not Verified
| License # | 25-000089 |
| Status | Active |
| City | Celina |
| Type | Hvac Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of National Network Services with the City of Celina
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | AEC192 |
| Status | Active |
| City | Corinth |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of National Network Services with the City of Corinth
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC-392 |
| Status | Active |
| Town | Flower Mound |
| Type | Mechanical |
| Date Issued | 04-14-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the Flower Mound Department of Building Inspections.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 50045 |
| Status | Active |
| City | Midlothian |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for National Network Services at the City of Midlothian.
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License Not Verified
| License # | 21-001461 |
| Status | Active |
| City | Aledo |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of National Network Services with the City of Aledo
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 33876 |
| Status | Active |
| City | Midlothian |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for National Network Services at the City of Midlothian.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Westlake |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2022. Check the current license status of National Network Services with the City of Westlake
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Verified License
| License # | 2025 024216 000 00 BR |
| Status | Active |
| City | Arlington |
| Type | Hvac Mechanical Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the City of Arlington, TX.
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Verified License
| License # | HAE3122 |
| Status | Active |
| City | San Antonio |
| Type | Hae Heating Air State Mechanical |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | R04-0051 |
| Status | Active |
| City | Frisco |
| Type | Building |
| Date Issued | 04-10-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for National Network Services at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3965 |
| Status | Active |
| City | Plano |
| Type | Mechanical/Hvac |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for National Network Services at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLA00003122E |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for National Network Services at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MECHA4645808 |
| Status | Active |
| Town | Highland Park |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2025. Check the current license status of National Network Services with the Town of Highland Park
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License Not Verified
| License # | HVAC4691294 |
| Status | Active |
| City | Denison |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2022. Check the current license status of National Network Services with the City of Denison
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License Not Verified
| License # | ME7101461 |
| Status | Active |
| City | Aledo |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of April, 2022. Check the current license status of National Network Services with the City of Aledo
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License Not Verified
| License # | MEC1747149 |
| Status | Active |
| City | Corinth |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of National Network Services with the City of Corinth
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License Not Verified
| License # | MC3760945 |
| Status | Active |
| City | Lancaster |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2021. Check the current license status of National Network Services with the City of Lancaster
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License Not Verified
| License # | 103GL0034326-00 |
| Status | Active |
| City | Terrel |
| Type | Insurance Policy |
- When BuildZoom last verified this license, it had an expiration date of March, 2021. Check the current license status of National Network Services with the City of Terrell
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License Not Verified
| License # | MECH7462905 |
| Status | Active |
| City | Farmers Branch |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2021. Check the current license status of National Network Services with the City of Farmers Branch
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License Not Verified
| License # | MECH4002162 |
| Status | Active |
| City | Duncanville |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2021. Check the current license status of National Network Services with the City of Duncanville
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License Not Verified
| Status | Active |
| City | Decatur |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of National Network Services with the City of Decatur
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License Not Verified
| Status | Active |
| City | Farmers Branch |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of National Network Services with the City of Farmers Branch
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License Not Verified
| License # | MECH5471028 |
| Status | Active |
| City | Grapevine |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of National Network Services with the City of Grapevine
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License Not Verified
| License # | 9618 |
| Status | Active |
| City | Allen |
| Type | Hvac Contractors |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of National Network Services with the City of Allen, TX
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Verified License
| License # | HVAC7870551 |
| Status | Active |
| City | Midlothian |
| Type | Mechanical Contractor |
- BuildZoom has not verified this license since May, 2024.
Verify this license's status for National Network Services at the City of Midlothian.
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License Not Verified
| Status | Active |
| City | Dallas |
| Type | Mechanical (Me) |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of National Network Services with the City of Dallas
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License Not Verified
| Status | Active |
| City | Round Rock |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2014. Check the current license status of National Network Services with the The City of Round Rock, TX
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Inactive License
| License # | CR-2022--0007 |
| Status | Inactive |
| Type | Contractor Registration |
- According to the local license board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20-060945 |
| Status | Inactive |
| City | Lancaster |
| Type | Mechanical Contractor |
- According to the City of Lancaster, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Lancaster.
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Inactive License
| License # | 16-070647 |
| Status | Inactive |
| City | Lancaster |
| Type | Mechanical Contractor Type A |
- According to the City of Lancaster, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Lancaster.
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Inactive License
| License # | 14-067533 |
| Status | Inactive |
| City | Lancaster |
| Type | Mechanical Contractor Type A |
- According to the City of Lancaster, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Lancaster.
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Inactive License
| License # | 12-011670 |
| Status | Inactive |
| City | Lancaster |
| Type | Mechanical Contractor Type A |
- According to the City of Lancaster, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Lancaster.
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Inactive License
| License # | 22-078235 |
| Status | Inactive |
| City | Mansfield |
| Type | Mechanical Contractor |
- According to the City of Mansfield, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Mansfield.
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Inactive License
| License # | 20-057557 |
| Status | Inactive |
| City | Mansfield |
| Type | Mechanical Contractor |
- According to the City of Mansfield, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Mansfield.
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Inactive License
| Status | Inactive |
| City | Terrel |
| Type | Construction Contractors |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
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Inactive License
| License # | 15-024381 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical Contractor |
- According to the City of Wichita Falls, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Wichita Falls.
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Inactive License
| License # | 15-009722 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical |
- According to the City of Wichita Falls, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Wichita Falls.
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Inactive License
| License # | 09-076648 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical Contractor Registration |
- According to the City of Wichita Falls, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Wichita Falls.
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Inactive License
| License # | 24-048245 |
| Status | Inactive |
| City | Corsicana |
| Type | Mechanical Contractor |
- According to the City of Corsicana, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Corsicana.
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Inactive License
| License # | 103GL0034326-00 |
| Status | Inactive |
| City | Terrel |
| Type | Insurance Policy |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Terrell.
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Inactive License
| License # | TACLA3122E |
| Status | Inactive |
| City | Keller |
| Type | Contractor |
- According to the The City of Keller, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the The City of Keller, TX.
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Inactive License
| License # | HAE3122 |
| Status | Inactive |
| City | San Antonio |
- According to the City of San Antonio, TX Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of San Antonio, TX Licensed Contractors.
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Inactive License
| License # | 2024 012375 000 00 BR |
| Status | Inactive |
| City | Arlington |
| Type | Hvac Mechanical Contractor |
- According to the City of Arlington, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Arlington, TX.
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Inactive License
| License # | TACLA00003122E |
| Status | Inactive |
| City | Terrel |
| Type | Mechanical |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Terrell.
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Inactive License
| License # | LHA141850 |
| Status | Inactive |
| City | Terrel |
| Type | Insurance Policy |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Terrell.
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Inactive License
| License # | 0705 |
| Status | Inactive |
| City | Terrel |
| Type | Mechanical Contractor |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Terrell.
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Inactive License
| License # | MECHA0911581 |
| Status | Inactive |
| Town | Highland Park |
| Type | Mechanical Contractor |
- According to the Town of Highland Park, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the Town of Highland Park.
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Inactive License
| License # | MECHA1586085 |
| Status | Inactive |
| Town | Highland Park |
| Type | Mechanical Contractor |
- According to the Town of Highland Park, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the Town of Highland Park.
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Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
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Inactive License
| License # | MC2401902 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Mechanical Contractor |
- According to the Town of Little Elm, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the Town of Little Elm.
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Inactive License
| License # | TACLA3122E |
| Status | Inactive |
| City | Waco |
| Type | Mechanical |
- According to the City of Waco, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Waco.
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Inactive License
| License # | M2676648 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical Contractor Registration |
- According to the City of Wichita Falls, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Wichita Falls.
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Inactive License
| Status | Inactive |
| City | Waco |
| Type | City Insurance |
- According to the City of Waco, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Waco.
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Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | ME-003141-2018 |
| Status | Inactive |
| City | Mesquite |
| Type | Mechanical Contractor |
| Class | Mechanical Contractor |
- According to the City of Mesquite, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Mesquite.
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Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R01-0521 |
| Status | Inactive |
| City | Frisco |
| Type | Contractor |
- According to the The City of Frisco, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the The City of Frisco, TX.
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Inactive License
| License # | M00175 |
| Status | Inactive |
| City | Irving |
- According to the City of Irving Inspection Department, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Irving Inspection Department.
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Inactive License
| License # | M2676648 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical Contractor Registration |
- According to the City of Wichita Falls, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Wichita Falls.
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Inactive License
| License # | 85307481 |
| Status | Inactive |
| City | Terrel |
| Type | Insurance Policy |
- According to the City of Terrell, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Terrell.
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Inactive License
| License # | W004571 |
| Status | Inactive |
| City | Fort Worth |
| Type | Mech Env Ac & Heating Reg (A License) |
- According to the City of Fort Worth Planning and Development, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the City of Fort Worth Planning and Development.
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Inactive License
| Status | Inactive |
| Town | Flower Mound |
| Type | Licensed Contractor |
- According to the Flower Mound Department of Building Inspections, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
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Inactive License
| License # | AEC290 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the The Town of Prosper, TX.
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Inactive License
| License # | A01-1717 |
| Status | Inactive |
| City | Colleyville |
| Type | Mechanical |
- According to the The City of Colleyville, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for National Network Services at the The City of Colleyville, TX.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Lewisville Insurance Agency |
Insured
| Workers Comp Provider | 3122 |
1K
Permits
- Building permit records show that National Network Services has worked on 1005 permitted projects.