| Business | Phone |
| Advanced Design Group Inc 1120 6th St, Modesto 95354 | (209) 577-3108 |
| C B Engineering Inc 1317 Oakdale Rd # 230, Modesto 95355 | (209) 572-1310 |
| Conrad Concepts Modesto 95354 | (209) 522-0564 |
| D & P Consulting 709 Spindale Dr, Modesto 95357 | (209) 572-3365 |
| Earthcalc Inc 909 15th St # 6, Modesto 95354 | (209) 521-1717 |
| Follette Engineering Inc 1201 Wellington Dr, Modesto 95350 | (209) 579-8756 |
| Gamesmanship Records 737 Parkston Ct, Modesto 95357 | (209) 652-6449 |
| J D Wylie Engineering Modesto 95354 | (209) 577-2339 |