| Business | Phone |
| Applied Power Technologies 1198 Melody Ln # 104, Roseville 95678 | (916) 612-4278 |
| David Evans & Assoc 1544 Eureka Rd # 200, Roseville 95661 | (916) 781-9878 |
| Kleinfelder 8331 Sierra College Blvd # 204, Roseville 95661 | (916) 797-1770 |
| Urs Corp 1380 Lead Hill Blvd # 100, Roseville 95661 | (916) 784-3900 |
| Development Consulting Svc 735 Sunrise Ave, Roseville 95661 | (916) 773-9604 |
| West Yost & Assoc 1380 Lead Hill Blvd # 201, Roseville 95661 | (916) 789-1090 |