| EXCLUSIVELY ENDORSED BY : |  | 
|  Western States Trucking Association
 |  California Tow Truck Association
 | 
|  American Alliance Authority & Compliance
 |  California Moving & Storage Association
 | 
| ACTIVE PARTICIPANTS WITH : |  | 
|  SouthWest Tow Operators |  | 
| MEMBERS OF : |  | 
| 
 U.S. Chambers of Commerce | 
 Substance AbuseProgram Administrators Association
 SAPAA
 | 
| 
 Commercial Vehicle Safety Alliance | 
 Drug & Alcohol Testing Industry Association | 
|  Roadway Safety Foundation
 Thank You Letter from RSF |  |