| Business | Phone |
| Biomechanical Consulting 606 Pena Dr # 400, Davis 95616 | (530) 759-9011 |
| Holdrege & Skull Consulting Po Box 397, Davis 95617 | (530) 759-9800 |
| American Geotechnical Consulti 712 5th St # B, Davis 95616 | (530) 758-2088 |
| Bill Dendy & Assoc 429 F St, Davis 95616 | (530) 758-3131 |
| Biomechanical Consulting 4626 2nd St # 100, Davis 95616 | (530) 759-9011 |
| Foresight Consulting 2010 Amador Ave, Davis 95616 | (530) 297-5856 |
| Qed 911 3rd St, Davis 95616 | (530) 758-4132 |
| Signal Innovations 36225 County Road 29, Davis 95616 | (925) 895-5121 |