| ES&H Approved Construction Vendors As of June 26, 2008 | |||
| Vendors | IIPP Approved | LOTO | Classifications |
| Accel Air Systems | 4/8/2008 | Corrections | C20 |
| AGC | 6/15/2007 | 6/15/2006 | B, C20, C36 |
| AIM Sheet Metal | 6/13/2007 | C20, C43 | |
| Air Systems Inc. | 9/17/2007 | 9/5/2007 | B, C10, C20, C36, C43 |
| All Forms | 11/27/2007 | A, B, C8 | |
| Alliance Cooling Products | Non-Construction | 8/8/2006 | B, D64, D53 |
| ALS Fire Protection | 12/7/2007 | C16 | |
| American Cooling Tower | 4/6/2007 | A, D53, ASB | |
| American Steel & Stairways Inc. | 11/16/2007 | C23, C51 | |
| ARB Inc. | 8/15/2007 | A, C-4, B, C36, C51 | |
| B T Mancini | 8/15/2007 | A | |
| Bay Area Builders Inc | 2/12/2008 | B, A | |
| Bayside Insulation | 2/5/2007 | B, C-2 | |
| Berkeley Cement Inc | 11/6/2007 | C-8 | |
| Bogard Construction Inc. | 8/21/2007 | B | |
| C & O Painting | 12/21/2007 | C33 | |
| Calvac Inc. | 7/11/2007 | C12, C32, A | |
| Canzam Electric | 9/6/2007 | 9/18/2007 | C10 |
| Carrier Corporation | 1/23/2008 | 3/21/2006 | C20, C38, C36, C-4, B |
| CE Harris Electric | 10/23/2007 | 9/18/2007 | C10, C-7 |
| Ceitronics | 6/27/2007 | 6/27/2007 | C10 |
| Coast Insulation Contractors Inc. | 12/26/2007 | C-2, D51, D34, D28, D21, C-6, C33 | |
| Consolidated Electric | 9/21/2007 | 9/18/2007 | C10, B |
| Cornerstone Environmental | 7/11/2007 | A, HAZ | |
| Cornerstone Masonary | 10/26/2007 | C29 | |
| Crane America | 3/1/2007 | 9/16/2005 | D21 |
| CST Environmental | Pending Approval | B, C-2, A, C21, ASB, HAZ | |
| Cupertino Electric | Revising | 6/15/2006 | B, C10, A, C46 |
| D.W. Nicholson | 8/20/2007 | A,C51,C20,C-8,B,C-4,C10,C36,C11,ASB,HAZ. | |
| D-Electric | 8/2/2007 | 8/2/2007 | C10 |
| DLC Electric | 10/5/2007 | 10/5/2007 | C7, C10 |
| Decon Environmental Services Inc | 8/8/2007 | A, ASB, HAZ | |
| Duran & Venables, Inc. | 5/15/2008 | A, HAZ | |
| Dynalectric | 6/13/2007 | 6/13/2007 | A, C-7, C10, B, C31, C46 |
| Electrical Reliability Services Inc. | 1/7/2008 | C10 | |
| Englehart Electric | 4/30/2007 | C31 | |
| Exaro | 5/21/2007 | A, HAZ | |
| F. Rogers Insulation | 2/1/2007 | C-2, D34, C17, C39, C35, C-9, D50 | |
| Flooring Solutions Inc | 1/23/2008 | C15 | |
| Flowstar | 4/7/2008 | D34 | |
| Gregg Drilling | 9/27/2007 | C57 | |
| GSC Electric | 6/20/2007 | 6/13/2007 | C10 |
| Harris Construction | 7/31/2007 | B | |
| Harry L Murphy | 6/29/2007 | C15 | |
| H-Square | 7/30/2007 | C20 | |
| Infrastructure Specialties | 4/19/2007 | Pending PWK | B |
| Innerspace Eng. | 10/8/2007 | C11, D24, D21 (see C61 for D21, D24) | |
| J.D. Collins Company | 10/11/2007 | 10/15/2007 | B, C-4, C36 |
| Janus Corporation | 8/22/2007 | A, B, C-2, C21, Asb. Haz. | |
| Joseph Albanese | 7/27/2007 | C-8, A, C29, B, C21, C50, D06 (see C61 for D06) | |
| JPR Electric | 10/23/2007 | 11/1/2007 | C10 |
| King Crane | 9/28/2007 | D21 | |
| Liberty Electric | 6/2/2008 | 9/11/2007 | C10 |
| Lombardo Core Drilling | 11/26/2007 | D06 | |
| MCE Corporation | 10/25/2007 | A, B, C8, C12, C27. | |
| Miholovich Concrete | 11/30/2007 | C-8 | |
| North Am. Substation Services | 11/15/2007 | 11/12/2007 | C10 |
| One Source Engineering | 3/20/2008 | ||
| OTH Steel Inc. | 10/26/2007 | C50 | |
| Outback Engineering | 5/31/2007 | A, B, C51 | |
| Overhead Door Company | 11/26/2007 | D28 | |
| Pacific Underground Const. | 5/21/2007 | 6/1/2007 | A, C16 |
| Palmer Electric | 7/30/2007 | 9/29/2005 | C10 |
| Paris Extreme Builders | 6/17/2008 | B | |
| Partition Specialties | 4/19/2007 | Pending PWK | B, D10, D24, D34 |
| Penhall | 7/18/2007 | A, C21, D06, B, ASB, HAZ | |
| Peninsula Crane & Rigging | 6/5/2008 | B, C51, A | |
| Precision Air | 11/12/2007 | 8/23/2007 | C20 |
| Precision Sampling | 4/16/2008 | C57 | |
| Pro Door & Glass | 5/15/2007 | 9/26/2005 | C17, D28 |
| Quality Asbestos Control | 12/13/2007 | B, ASB | |
| Qualtech Mechanical | 4/1/2007 | 3/28/2007 | C36, C20 |
| R.E. Cuddie | Pending Approval | C15 | |
| R.F. McDonald | 10/25/2007 | 10/5/2007 | A, C-4 |
| Ray Scheidts Electric | 8/21/2007 | Pending Training pwk | C10 |
| Reliable Crane & Rigging | 2/28/2008 | A, D09, D36 | |
| Rosendin Electric | 10/22/2007 | 10/5/2007 | A, B, C10 |
| Roto Rooter | Non-Construction | 10/25/2007 | |
| Rushford Construction | 6/20/2007 | B, C33 | |
| Rutherford & Chekene | 6/13/2008 | ||
| Safway Scaffolding Services | 7/27/2007 | D39 | |
| Sasco | 5/1/2008 | ||
| Siemens Industrial Services | 9/12/2007 | Non-Construction | |
| Sizemore Mechanical | 5/14/2007 | 5/23/2007 | |
| Souther Electric | 10/12/2007 | 10/5/2007 | C10 |
| Sprig Electric | 11/8/2007 | C10 | |
| Sterling Electric Const. | 8/21/2007 | 8/23/2007 | C10 |
| Sure Fire Protection | 4/22/2008 | Revising | C16 |
| Systems Electric | 1/31/2007 | 8/1/2006 | C10 |
| Tap Master, Inc. | 8/7/2007 | C36 | |
| TDN Electric | 4/2/2007 | 7/6/2007 | C10 |
| Telstar Instruments | 8/28/2007 | 8/23/2007 | C10, C-7 |
| Tera-Lite, Inc. | 2/14/2008 | C15, C8, D12, C33, D51 | |
| Titan Power, Inc. | 1/24/2007 | C10 | |
| Underground Construction | 12/10/2007 | ||
| United California Glass & Door | 4/3/2008 | D16, D28, C17, C10, B | |
| Valhalla Builders | 8/7/2007 | B | |
| West Valley Construction | 9/20/2007 | 9/18/2007 | A |
| Western Allied | 5/28/2008 | 5/21/2007 | C20, C36, B |
| Western Utilities Transformer | Pending Approval | 6/11/2008 | C10 |
| Wildcat Metals | 12/12/2007 | C43 | |
| William P. Young Const | 4/12/2007 | B, A | |
| Worksafe Technologies | 11/2/2007 | D34 | |