| - Lexington Insurance Co. |
| - Liberty International Underwriters |
| - Los Angeles County |
| - Los Angeles D.W.P. |
| - Los Angeles M.T.A. |
| - Los Vientos Association |
| - Lucky Stores Corporation |
| - Madonna Construction |
| - Maryland Casualty Company |
| - MCM Construction |
| - Mel Smith Electric |
| - Mercury Insurance |
- Nationwide Agribusiness
Insurance Co. |
| - Navigator's Insurance |
| - Network Adjusters |
| - Norcal Waste Systems, Inc. |
| - Nordic Industries |
| - Northern Insurance |
| - Oxnard Pacific |
| - Pacific Bell |
| - PBS & J |
| - Quality Refrigeration |
| - Riverside County |
| - RSKCo Services, Inc. |
| - RSUI Indemnity Company |
| - San Bernardino County |
| - Shoring Engineers |
| - Specialty Risk Services (SRS) |
| - Star Corporation |
| - State Farm Insurance |
| - State of Washington |
| - Statewide Safety & Signs, Inc. |
| - Structural Systems |
| - Sully Miller |
| - Superior Traffic Services |
| - T.& R. Construction |
| - T.I.G. Insurance |
| - Top Hat Industries, Inc. |
| - Tri Vision Transportation |
| - U.S. Dept. of Justice |
| - U-Haul International Inc. |
| - United Parcel Service (UPS) |
| - United Rentals |
| - Universal Productions |
| - University of Southern California |
| - Victory Partnership |
| - W.A. Rasic Construction |
| - Yasuda Insurance |
| - Zenith Insurance Co. |
| - Zurich Insurance |
