Updated: May 19, 2026
Location
Address
5700 S BALDWIN DR, Sioux Falls, SD, 57108
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Gm Mechanical Inc
Gm Mechanical Inc, 5700 S Baldwin Dr, Sioux Falls, SD (Owned by: Greg Marshall, Michael Marshal) holds a Contractor license and 5 other licenses according to the Rapid City license board.
Their BuildZoom score of 91 ranks in the top 37% of 3,459 South Dakota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gm Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gm Mechanical Inc Contact Information
Phone Number: (605) 366-6900
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Address: 5700 S BALDWIN DR, Sioux Falls, SD 57108
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Verified License
BuildZoom confirmed this contractor's license
Gm Mechanical Inc License info
Verified License
| License # | AEC5030 |
| Status | Active |
| City | Rapid City |
| Type | Contractor |
| Date Issued | 12-19-2025 |
| Business Type | Not Available |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gm Mechanical Inc at the Rapid City, South Dakota.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PC775096 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Not Available |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Gm Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SXF-R0210-84-896C |
| Status | Inactive |
| City | Rapid City |
| Type | Contractor |
| Business Type | Not Available |
- According to the Rapid City, South Dakota, 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 Gm Mechanical Inc at the Rapid City, South Dakota.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 43662 |
| Status | Inactive |
| State | North Dakota |
| Type | Contractor |
| Business Type | Not Available |
- According to the North Dakota Secretary of State, 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 Gm Mechanical Inc at the North Dakota Secretary of State.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C108728 |
| Status | Inactive |
| State | Iowa |
| Type | Heating Air Conditioning & Plumbing |
| Business Type | Not Available |
- According to the Iowa Workforce Development Agency, 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 Gm Mechanical Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM58915 |
| Status | Inactive |
| State | Minnesota |
| Type | Master Plumber |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Gm Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Gm Mechanical Inc Employees
GI
G M Mechanical Inc
License Card Name
GM
Greg Marshall
Applicant
GM
Greg Marshall, Michael Marshal
Owner
GM
Greg Marshall, Michael Marshall, Daniel Marshall
Owner
GM
Gregory J. Marshall