| Business | Phone |
| American Clay Stabilization 3175 E Warm Springs Rd 111, Las Vegas 89120 | (702) 939-0150 |
| American Geotechnical Las Vegas 89102 | (702) 312-0618 |
| Testing Engineers Nevada 6280 S Valley View Blvd, Las Vegas 89118 | (702) 214-8368 |
| Bbc Engineering Inc 4420 Arville St 1, Las Vegas 89103 | (702) 364-5099 |
| Converse Consultants 731 Pilot Rd H, Las Vegas 89119 | (702) 263-7600 |
| Professional Service Inds Inc 3430 Polaris Ave, Las Vegas 89102 | (702) 873-1775 |
| Owens Geotechnical Inc 4480 W Hacienda Ave 104, Las Vegas 89118 | (702) 873-3478 |
| Geo Tek Inc 6835 Escondido St A, Las Vegas 89119 | (702) 897-1424 |
| Mesquite Material Testing 6885 Speedway Blvd Y105, Las Vegas 89115 | (702) 643-2804 |
| Grisham Consulting Svc 3514 E Tropicana Ave 3, Las Vegas 89121 | (702) 450-6523 |
| Landmark Testing & Engineering 3155 E Patrick Ln, Las Vegas 89120 | (702) 896-5600 |
| Langan Engineering & Envrnmntl 2777 Paradise Rd, Las Vegas 89109 | (702) 735-6690 |