| Air Traffic Information Service: Consulting services addressing the air traffic control environment. Located in Florida. |
| IronWood Technologies Inc.: Railroad and aviation accident investigation and recreation. Based in New York. |
| Mainline Consulting Services: Providing railroad accident investigation and reconstruction services, from offices in Amarillo, Texas. |
| Orloff Consulting: Providing aviation accident reconstruction services. |
| Peter R. Leffe: Consulting and expert testimony to the legal community in the areas of accident investigation and reconstruction, general aviation and snow/ski accidents. Based in Malibu, California. |
| Strategic Transportation Services: Strategic Transportation Services offers consulting services related to railroad transportation. Our experts can provided litigation support. |
| Train Dynamics, Inc.: Experts for train accidents, including issues in braking and acceleration. |