| Business | Phone |
| Building Restoration Specialty 3060 Walnut St, Denver 80205 | (303) 297-2004 |
| Garner-Lyons Historic Window 1540 Cook St, Denver 80206 | (303) 830-2320 |
| Western Waterproofing 5055 Washington St, Denver 80216 | (303) 364-6200 |
| Struction Limited 990 S Vine St, Denver 80209 | (303) 733-3017 |
| Premier Specialty Contractors 2311 S Platte River Dr, Denver 80223 | (303) 934-2467 |