Updated: Jan 13, 2026
Location
Address
Madison Heights, MI, 48071
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Ecolab Gcs HVAC/Mechanical Contractor
Ecolab Gcs at Madison Heights, MI 48071, held a HVAC/Mechanical Contractor license (#7116866) with the Michigan contractors license board with an expiration date of 08-31-2019. We last verified the license was inactive on 01-12-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 167,179 Michigan contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Ecolab Gcs Contact Information
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Ecolab Gcs License info
Inactive License
| License # | 7116866 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ecolab Gcs at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 312861 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ecolab Gcs at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 312861 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ecolab Gcs at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7116866 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ecolab Gcs at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Ecolab Gcs, click “This is My Business” to update your information.
Ecolab Gcs Employees
RL
Richard Lenski
Owner
RL
Richard A Lenski