| Business | Phone |
| Consolidated Engineering 802 14th St, Modesto 95354 | (209) 529-7090 |
| Krazan & Associates Inc 448 Mitchell Rd # C, Modesto 95354 | (209) 572-2200 |
| North American Technical Svc 4713 Enterprise Way # 4, Modesto 95356 | (209) 545-1108 |
| Universal Seed Testing 2132b Wylie Dr, Modesto 95355 | (209) 521-6507 |