| Business | Phone |
| Discovery Outsourcing Llc 4600 S Ulster St # 530, Denver 80237 | (303) 225-0400 |
| Employers Depot Inc 9101 E Kenyon Ave # 2000, Denver 80237 | (303) 779-5779 |
| Staff Scapes 12000 Pecos St # 300, Denver 80234 | (303) 466-7864 |
| Tradesmen International 7100 Broadway # 8c, Denver 80221 | (720) 542-0300 |
| Lmc Resources Inc 600 S Cherry St # 1000, Denver 80246 | (303) 355-1400 |