Updated: Jun 02, 2026
Zentech Efficiency Construction
Zentech Efficiency, 375 Gundersen Dr, Carol Stream, IL (Owned by: Alex Mysko) holds a Electrical Contractor (General) license and 1 other license according to the City of Chicago license board.
Their BuildZoom score of 91 ranks in the top 37% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Zentech Efficiency, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Zentech Efficiency Services
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Zentech Efficiency Contact Information
Phone Number: (630) 444-7400
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Address: 375 GUNDERSEN DR, Carol Stream, IL 60188
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Verified License
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Zentech Efficiency License info
Verified License
| License # | ECC96437 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Zentech Efficiency at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR0004361 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Electric |
- According to the County of Dupage Contractor Registration Information, 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 Zentech Efficiency at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Zentech Efficiency Employees
AM
Alex Mysko
Owner