Updated: May 31, 2026
Location and Projects
Address
2800 Supreme St NE, Warren, OH, 44483
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Thompson Mechanical Inc
Thompson Mechanical Inc, 2800 Supreme St NE, Warren, OH (Employees: Paul Jajcinovic and Paul Jajcinovic Jajcinovic) holds a Renovation license and 8 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 102 ranks in the top 11% of 52,717 Ohio licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Thompson Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Thompson Mechanical Inc Contact Information
Phone Number: (330) 372-6400
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Address: 2800 Supreme St NE, Warren, OH 44483
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Thompson Mechanical Inc Warren
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Thompson Mechanical Inc has a BuildZoom score of 102, which places them above 89% of 52,717 contractors in Ohio.
Activity
|
11 projects
|
2024 |
|
26 projects
|
2023 |
Our building permit records indicate that Thompson Mechanical Inc has worked on at least
37.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
35 projects
|
Mechanical projects |
|
34 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Thompson Mechanical Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
14 projects
|
< $5k |
|
1 project
|
$5k-$20k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Thompson Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
New single family dwelling 2132sf g1220sf p 450sf
Valuation:
$238,720
Permit #:
20191540
Status:
complete
Fee:
N/A
Permit Type:
New sf residential
Building Type:
Residential
Air conditioning retro
Valuation:
$0
Permit #:
20240099
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Air conditioning retro
Valuation:
N/A
Permit #:
20240189
Status:
complete
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro-3
Valuation:
$0
Permit #:
20240150
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro
Valuation:
$0
Permit #:
20240119
Status:
complete
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro
Valuation:
N/A
Permit #:
20240024
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Wrta bus wash-hvac
Valuation:
$0
Permit #:
20230108
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
Take 5 oil change hvac
Valuation:
$0
Permit #:
20220799
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
Air conditioning retro
Valuation:
N/A
Permit #:
20220257
Status:
complete
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro
Valuation:
N/A
Permit #:
20230128
Status:
complete
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro
Valuation:
N/A
Permit #:
20230049
Status:
complete
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace retro
Valuation:
$0
Permit #:
20230126
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Furnace & air conditioning retro
Valuation:
N/A
Permit #:
20220871
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Dominion aust comparable hvac
Valuation:
N/A
Permit #:
20210902
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
The golden dawn-hood
Valuation:
$16,630
Permit #:
20201630
Status:
complete
Fee:
N/A
Permit Type:
Hood fire suppres...
Building Type:
Commercial
Struthers fire station- hvac new
Valuation:
N/A
Permit #:
20220403
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
Tod homestead cemetery hvac
Valuation:
N/A
Permit #:
20210280
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
Air conditioning retro
Valuation:
N/A
Permit #:
20220851
Status:
filed
Fee:
N/A
Permit Type:
Mechanical retro
Building Type:
Residential
Take 5 car wash hvac
Valuation:
$0
Permit #:
20220798
Status:
final
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
Wrta phase 1 -- hvac
Valuation:
N/A
Permit #:
20210759
Status:
complete
Fee:
N/A
Permit Type:
Commercial interior
Building Type:
Commercial
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Thompson Mechanical Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Thompson Mechanical Inc License info
Verified License
| License # | NAT-38910-2 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thompson Mechanical Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-454 |
| Status | Active |
| County | Portage |
| Type | Heating & Cooling Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thompson Mechanical Inc at the Portage County Building Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HY.15531 |
| Status | Active |
| City | Ohio Professional |
| Type | Hydronics Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thompson Mechanical Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HV.15531 |
| Status | Active |
| City | Ohio Professional |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thompson Mechanical Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA184644 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of July, 2025. Check the current license status of Thompson Mechanical Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 199000231 |
| Status | Active |
| County | Portage County, Oh |
| Type | Registered Heating & Cooling Contractors |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Thompson Mechanical Inc with the Portage County, OH
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HV-0000015531 |
| Status | Active |
| State | Ohio |
| Type | HVAC |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Thompson Mechanical Inc with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HY-0000015531 |
| Status | Active |
| State | Ohio |
| Type | Hydronics |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Thompson Mechanical Inc with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PA160568 |
| Status | Inactive |
| State | Pennsylvania |
- According to the Pennsylvania Office of the Attorney General, 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 Thompson Mechanical Inc at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
228
Permits
- Building permit records show that Thompson Mechanical Inc has worked on 228 permitted projects.
Thompson Mechanical Inc Employees
PJ
Paul Jajcinovic
PJ
Paul Jajcinovic Jajcinovic