| Business | Phone |
| Bio Screen Testing Svc 3892 Del Amo Blvd # 705, Torrance 90503 | (310) 214-0043 |
| Hadd Co Inspection Lab 2420 Amsler St, Torrance 90505 | (310) 325-7620 |
| Biohygiene Laboratories 2200 Amapola Ct, Torrance 90501 | (310) 618-0400 |
| Ultasonic Field Svc 3411 W 227th Pl, Torrance 90505 | (310) 534-4152 |
| H P Labs 2373 W 208th St # F1, Torrance 90501 | (310) 782-2929 |
| Material Innovations Inc 2200 Amapola Ct, Torrance 90501 | (310) 533-5195 |
| Micro Connection 20710 Manhattan Pl, Torrance 90501 | (310) 320-6862 |