| Business | Phone |
| Enviro-Chem Analytical Inc 685 W Gunnison Ave # 108, Grand Junction 81501 | (970) 242-6154 |
| Grand Junction Laboratories 435 North Ave, Grand Junction 81501 | (970) 242-7618 |
| Key Laboratories 2479 River Rd, Grand Junction 81505 | (970) 243-5311 |
| Microsearch Inc 2783 Webster Rd, Grand Junction 81503 | (970) 241-1446 |