| Business | Phone |
| Jim's Aluminum Inc 2134 S Saginaw St, Flint 48503 | (810) 239-0130 |
| All-Weather Seal Co Inc 4258 S Saginaw St, Flint 48507 | (810) 743-0300 |
| Castle The Window People Flint 48532 | (810) 230-9692 |
| Custom Fit Exteriors 5411 Corunna Rd, Flint 48532 | (810) 732-7722 |
| Diamond Window & Glass Co 5074 Daly Blvd, Flint 48506 | (810) 736-3925 |
| Win-Dor Systems Inc 3071 W Pasadena Ave # G, Flint 48504 | (810) 239-3000 |
| Reliable Window Sales Po Box 485, Flint 48501 | (810) 239-1462 |
| Paramount Improvements 3105 Briarwood Dr, Flint 48507 | (810) 742-1400 |