William J Trefz
ActiveIllinois license 062055844
License
- Licensed by
- Illinois Department of Financial and Professional Regulation
- License number
- 062055844
- Status
- Active
- First issued
- June 24, 2002
- Expires
- November 30, 2027
- License holder
- William J Trefz
- Entity type
- Individual
Classifications
- Licensed Professional Engineer Engineering, Architecture & Surveying
More from the license record
- Current term began
- 11/24/2025
Contact
Hoffman Estates, IL 60192
Cook County