| Business | Phone |
| Bighorn Land Surveying 10561 Parkridge Ave, Longmont 80504 | (303) 772-1683 |
| Flatirons Surveying Inc 655 4th Ave, Longmont 80501 | (303) 776-1733 |
| Johnson & Assoc Land Surveyors 404 E 5th Ave, Longmont 80501 | (303) 772-6900 |
| Patterson Partners 9176 Aljan Dr, Longmont 80503 | (303) 678-7072 |
| Postle Developement Co 6800 N 79th St, Longmont 80503 | (303) 652-2265 |
| Power Surveying Co Inc 7800 Miller Dr # C, Longmont 80504 | (303) 321-2217 |
| Sti Survey Of Co 1331 Sherman Dr, Longmont 80501 | (303) 651-3469 |