| Business | Phone |
| Anchor Environmental 1 Park Plz # 600, Irvine 92614 | (949) 833-7150 |
| England Geosystem 15375 Barranca Pkwy # F106, Irvine 92618 | (949) 453-8085 |
| Environmental Support Tech 360 Goddard, Irvine 92618 | (949) 679-9500 |
| Environomics 2062 Business Center Dr, Irvine 92612 | (949) 724-8981 |
| Equipco 17935 Sky Park Cir # H, Irvine 92614 | (949) 263-0236 |
| Evergreen Environmental Svc 2355 Main St # 230, Irvine 92614 | (949) 757-7770 |
| Exergy Technologies Corp 25 Mauchly # 316, Irvine 92618 | (949) 757-2690 |
| Aaa Guaranteed Property Insp 30 Corporate Park, Irvine 92606 | (949) 724-1474 |
| Advanced Remediation 2 Foxglove Way, Irvine 92612 | (949) 552-3508 |
| Aqua Science Engineers 17895 Sky Park Cir # E, Irvine 92614 | (949) 833-3667 |
| Avocet Environmental 16 Technology Dr, Irvine 92618 | (949) 296-0971 |
| Bauer Environmental & Planning 220 Commerce # 200, Irvine 92602 | (714) 508-2522 |
| Envirosupply & Svc Inc 1791 Kaiser Ave, Irvine 92614 | (949) 757-0353 |
| Geologica Inc Irvine 92614 | (949) 548-9348 |
| Giroux & Assoc 17744 Sky Park Cir # 210, Irvine 92614 | (949) 851-8609 |
| Hsi Geo Trans 17770 Cartwright Rd # 500, Irvine 92614 | (949) 253-2958 |
| Jones & Stokes Assoc 17310 Red Hill Ave # 320, Irvine 92614 | (949) 260-1080 |
| Lsa 20 Executive Park # 200, Irvine 92614 | (949) 553-0666 |
| Property Solutions Inc 17752 Sky Park Cir, Irvine 92614 | (949) 222-1112 |
| Ratech Resources 17752 Sky Park Cir # 270, Irvine 92614 | (949) 955-3404 |
| Sierra Engineering Svc 17752 Sky Park Cir # 260, Irvine 92614 | (949) 833-3455 |
| Snei 2030 Main St # 1300, Irvine 92614 | (949) 260-4992 |