| Company | Category | Area | Address | Web | Contact person | |
| TECH ROLL | Engineering Services Whol Indu | Washington | PO BOX 959, BLAINE, Whatcom, Washington, 98231-0959, USA | - | - | Ulf Hansson |
| TECH ROOFING SVC INC | Roofing Contractors | Massachusetts | 267 PAGE BLVD, SPRINGFIELD, Hampden, Massachusetts, 01104-3007, USA | www.techroofing.com | - | Joseph Narkawicz |
