| Business | Phone |
| Air Water & Soil Environmental 3445 Telegraph Rd # 109, Ventura 93003 | (805) 644-4015 |
| Analytical Consulting Group 1746 S Victoria Ave # F, Ventura 93003 | (805) 340-2617 |
| Applied Environmental Tech 4561 Market St # B, Ventura 93003 | (805) 650-1400 |
| Aquatic Consulting Svc 1891 Goodyear Ave, Ventura 93003 | (805) 644-1208 |
| Atmospheric Analysis 1534 Eastman Ave # A, Ventura 93003 | (805) 650-1642 |
| Avanti Environmental Inc 3639 Harbor Blvd, Ventura 93001 | (805) 644-8810 |
| Chaparral Associates 9452 Telephone Rd # 153, Ventura 93004 | (805) 647-3281 |
| Criterion Environmental Inc 1673 Donlon St # 204, Ventura 93003 | (805) 644-8347 |
| Crowder Backflow Svc Po Box 772, Ventura 93002 | (805) 640-1911 |
| Data Tek Ventura 93001 | (805) 641-2441 |
| Dmiemk Environmental Svc 921 E Main St # F, Ventura 93001 | (805) 653-0633 |
| Ecology Control Industries 2055 N Ventura Ave, Ventura 93001 | (805) 648-5123 |
| Entrix Inc 2140 Eastman Ave, Ventura 93003 | (805) 644-5948 |
| Gold Coast Stabilization 10487 Saint Clair St, Ventura 93004 | (805) 659-0754 |
| Holguin Fahan & Assoc Inc 2225 N Ventura Ave, Ventura 93001 | (805) 641-0416 |
| Innovative Environmental Sltns 4835 Colt St, Ventura 93003 | (805) 644-8382 |
| International Environmental 1792 Callens Rd # D, Ventura 93003 | (805) 650-6393 |
| Mac Farlane Archaeological 7290 Marmota St, Ventura 93003 | (805) 659-2657 |
| Marine Research Specialists 3140 Telegraph Rd # A, Ventura 93003 | (805) 644-1180 |
| Timothy Nelson 2453 Sunset Dr, Ventura 93001 | (805) 643-2807 |
| Padre Associates Inc 1861 Knoll Dr, Ventura 93003 | (805) 644-2220 |
| Precision Environmental 180 Canada Larga Rd, Ventura 93001 | (805) 641-9333 |
| Ramco Environmental 2128 Knoll Dr # E, Ventura 93003 | (805) 644-2329 |
| Reed Land Clearing 1720 N Ventura Ave, Ventura 93001 | (805) 648-3075 |
| Rincon Consultants Inc 790 E Santa Clara St # 103, Ventura 93001 | (805) 641-1000 |
| Rsi 4835 Colt St # D, Ventura 93003 | (805) 933-9903 |
| Tank Team Inc 2745 Sherwin Ave # 8, Ventura 93003 | (805) 658-0067 |
| West Coast Environmental 1838 Eastman Ave # 200, Ventura 93003 | (805) 644-7976 |
| Trak Environmental Group Inc 3637 Arundell Cir # B, Ventura 93003 | (805) 650-5333 |