
Request a bid
Get a competitive commercial glazing bid.
Send plans, specs, and timeline. Calvin & Company reviews the scope in-house and returns a clear, buildable number for general contractors and commercial owners across Michigan.
How it works
A straightforward path from plans to a number you can build on.
Send your plans
Share drawings, specs, and a rough timeline. Partial information is fine — the estimating team will follow up with anything they need.
In-house takeoff
Estimating, CAD, and project management review the scope together, so pricing reflects real fabrication and field conditions.
Get a competitive bid
We confirm receipt, then return a clear, buildable number from a single accountable glazing partner who protects the schedule from bid to punch list.
Scope we bid
Commercial glass and glazing, managed end to end.
Calvin & Company, Inc. covers 10 common commercial project types. Not sure where your project fits? Send what you have and the team will point you in the right direction.
- Pre-construction budgeting and detailing
- Storefront, curtain wall, and architectural glass
- Automatic, aluminum, FRP, and all-glass entrances
- Glass replacement and door repair
- In-house estimating, CAD, and fabrication
- Union field crews and project management
Prefer to talk it through first?
Call 810-239-3524