| Business | Phone |
| Advanced Terra Testing 833 Parfet St # A, Lakewood 80215 | (303) 232-8308 |
| Yellow Knife Mining Co 5770 W 4th Ave, Lakewood 80226 | (303) 274-8674 |
| Associated Laboratories Inc 7220 W Jefferson Ave # 335, Lakewood 80235 | (303) 988-8078 |
| Scientific Cylinder Intl 10311 W Hampden Ave # A11, Lakewood 80227 | (303) 708-1443 |