Contractor Name | Contact | Address | Phone |
| ADVANCED CONSTRUCTORS CORP. | P. O. BOX 1578 HUNTINGTON BEACH, CA 92647 | PHONE (714) 892-7100 FAX (714) 892-7110 | |
| B & B INDUSTRIAL | REGGIE HOWELL (909) 821-4813 (Cell) | 14549 MANZANITA DR. FONTANA, CA 92335 | PHONE (909) 428-3167 FAX (909) 428-2553 |
| GLOBAL SCAFFOLD CONSTRUCTION SERVICES INC. | Mark A. Estep | 39459 John Lanier Rd. | (877)598-6091 FAX (760) 598-5053 |
| GUY NIELSON COMPANY | DOUG JOHNSON | 474 TAFT AVE, PO BOX 2029 POCATELLO ID 83206 | (208)232-2693 |
| LILJA INDUSTRIAL CONSTRUCTION | 229 RICKENBACKER CIRCLE LIVERMORE, CA 94551 | PHONE (925) 455-2300 FAX (925) 455-2333 | |
| Performance Mechanical Inc. | 701 Willow Pass Road Suite 2 Pittsburg CA 94565 | Phone: (925) 432-4080 | |
| RECON ENGINEERING & CONSTRUCTION, INC | P.O. BOX 93120 LONG BEACH, CA 90809 | PHONE (562)799-7980 FAX (562) 799-7989 | |
| THE NEW GENERATION ENGINEERING CONSTRUCTION, INC | RAUL OCEGUEDA | 22815 FRAMTON AVE. TORRANCE CA 90501 | PHONE (424)329-3950 |
| THORPE, J.T. & SONS | JOHN TOWNING | 14540 ALONDRA BLVD. LA MIRADA, CA 90638 | PHONE (714) 670-9500 FAX (714) 670-7600 |
| LONESTAR SIERRA, LLC | 20601 State Hwy 2020 Suite B108 Tehachapi CA 93561 | PHONE (866) 575-5680 |