| AB&I Foundry | Employer |
| ABF Freight System, Inc. | Employer |
| ABM Industries | Employer |
| Acclamation Insurance Management Services | Associate |
| Ace USA / ESIS | Associate |
| Adelson, Testan & Brundo | Professional |
| Advanced Disability Management | Professional |
| Alexander Eddy Insurance & Financial Services | Professional |
| Alliance Of Schools For Cooperative Insurance Programs (ASCIP) | Employer |
| Allsup, Inc. | Professional |
| Ameron, Inc. | Employer |
| Anza Investigations | Professional |
| Archangel Investigations and Protection, Inc. | Professional |
| Archer Daniels Midland Co. | Employer |
| Armstrong, Callan & Shiu, LLP | Professional |
| Asvar, Odjaghian Associates | Professional |
| Athens Administrators | Associate |
| Avizent | Associate |
| Bagby, Gajdos and Zachary, APC | Professional |
| Bradford & Barthel | Professional |
| Broadspire Services, Inc. | Associate |
| Cascade Disability Management | Professional |
| Cedars-Sinai Medical Center | Employer |
| Chevron Corporation | Employer |
| CHSI Technologies | Professional |
| Church Of Jesus Christ Of Latter Day Saints | Employer |
| CID Management | Professional |
| City and County of San Francisco | Employer |
| City of Los Angeles, Workers’ Compensation Division | Employer |
| Coast Diversified Consulting | Professional |
| Coast2Coast Diagnostics, A Medical Corporation | Professional |
| COSTCO | Employer |
| County of Sacramento | Employer |
| Cuneo, Black, Ward, Et Al. | Professional |
| Daniel Sager & Associates | Professional |
| Data Care Corporation | Professional |
| DAVID Corporation | Professional |
| David Donn Consulting, Inc. | Professional |
| Defense Pro | Professional |
| Definiti Healthcare Management | Professional |
| Dietz, Gilmor & Associates | Professional |
| Disney Enterprises | Employer |
| East Bay Municipal Utility District | Employer |
| EK Health Services | Professional |
| Employers’ Fraud Task Force | Professional |
| Enduro Investigations | Professional |
| EPS Settlement Group | Professional |
| Fellman & Associates | Professional |
| Foster Farms | Employer |
| Frasco, Inc. | Professional |
| Fresno Unified School District | Employer |
| Gallagher Bassett Insurance Services | Associate |
| Goldman, Magdalin & Krikes | Professional |
| Grancell, Lebovitz, Stander, Reubens and Thomas | Professional |
| Gray and Prouty | Professional |
| Grimmway Farms | Employer |
| Grossman Burn Center at West Hills Hospital | Professional |
| Hanna, Brophy, MacLean, McAleer & Jensen, LLP | Professional |
| Harbor Health Systems | Professional |
| Hard Copy, Inc. | Professional |
| Health Net | Employer |
| Horne Investigations | Professional |
| Impairment Resources, LLC | Professional |
| Intercare Holdings Insurance Services | Associate |
| ISYS Solutions | Professional |
| J. T. Wimsatt Contracting Company, Inc. | Professional |
| J.G. Boswell Company | Employer |
| Kaiser & Chew, LLP | Professional |
| Kaiser Permanente | Employer |
| Karasoff & Associates, P.C. | Professional |
| Knox Attorney Services | Professional |
| Laughlin, Falbo, Et Al. | Professional |
| Law Offices of Ara Aghishian | Professional |
| Law Offices of Brenner and Sterner, LLP | Professional |
| Law Offices of David J. Shepard | Professional |
| Law Offices of Harbinson Tune Kasselik | Professional |
| Law Offices of Kollitz & Kollitz, LLP | Professional |
| Law Offices Of Stacey Tokunaga | Professional |
| Law Offices of Yvette Boehnke | Professional |
| Lenahan, Lee, Slater & Pearse, LLP | Professional |
| Liberty Mutual/Helmsman Management Serivces | Associate |
| Lien On Me | Professional |
| LifeTEAM Health | Professional |
| Lister, Martin & Thompson | Professional |
| Lockheed Martin | Employer |
| Mantle & Zimmer | Professional |
| Marriott International | Employer |
| McDonald & Associates Investigations | Professional |
| McMurchie, Weill, Lenahan, Lee, Slater & Pearse | Professional |
| MeadWestVaco | Employer |
| Medata, Inc. | Professional |
| MEDLINK | Professional |
| Metropolitan Stevedore Company | Employer |
| Michael Ramey & Associates | Professional |
| Michael Sullivan and Associates, P.C. | Professional |
| Milliman, USA | Professional |
| Monterey Mushrooms | Employer |
| Morse, Giesler, Callister & Karlin, LLP | Professional |
| National Business Investigations | Professional |
| National Steel & Shipbuilding Company | Employer |
| NextImage Medical | Professional |
| Nordstrom, Inc. | Employer |
| Pacific Claims Management | Associate |
| Pacific Gas & Electric | Employer |
| Paladin Managed Care Services | Professional |
| Parker & Irwin | Professional |
| Parker Hannifin Corporation | Employer |
| Pearlman, Borska and Wax | Professional |
| Pearson, Simon, Warshaw & Penny, LLP | Professional |
| PMSI | Professional |
| Probe Information Services | Professional |
| Providence Health and Services | Employer |
| Prudential Overall Supply | Employer |
| Recology, Inc. | Employer |
| Rehab West, Inc. RWI | Professional |
| Resolution Partners Micro & Macro, LLC | Professional |
| Rising Medical Solutions | Professional |
| RJN Investigations | Professional |
| Robin, Carmack & Gonia | Professional |
| Rockwell Collins | Employer |
| Roll International Corp | Employer |
| RSP & Associates | Professional |
| Safety National Casualty Company | Professional |
| Safeway Stores | Employer |
| San Diego County Schools | Employer |
| Savvy Health Solutions | Professional |
| Scripps Health | Employer |
| Sedgwick CMS | Associate |
| Self Funded Alternatives of Nevada, LLC | Professional |
| Sempra Utilities | Employer |
| Southern California Edison | Employer |
| Southern California Gas. / San Diego Gas & Electric | Employer |
| Southwest Gas Corporation | Employer |
| Stanley L. Goodman, M.D. | Professional |
| Teichert, Inc. | Employer |
| The Pictsweet Company | Employer |
| The Ultimate Lien Solution | Professional |
| The Walt Disney Company | Employer |
| Tristar Insurance Group | Associate |
| United Airlines | Employer |
| University Medical Imaging | Professional |
| USS POSCO Industries | Employer |
| Wai & Connor | Professional |
| Waters & Robinson, LLP | Professional |
| Wenderoff Solomon, LLP | Professional |
| Wilson, Pesota & Fox | Professional |
| Woodruff-Sawyer and Company | Professional |
| Yellow Cab Cooperative, Inc. | Employer |
| York Insurance Services Group, Inc. | Professional |
