- Los Angeles County Department of Public Works Capital Improvement Program
- Los Angeles Unified School District
- Lawndale Library
- Cerritos Regional Park General Improvements
- Palmdale Sheriff’s Station
- Southern California Edison
- Los Angeles Community College District
- Los Angeles Police Dept. Metro Detention Center
- Santa Clarita Fire Stations
- Martin Luther King, Jr. Medical Center
- Los Angeles County Metropolitan Transportation Authority
- Vasquez Rocks Interpretive Center
- South Los Angeles Sheriff’s Station
- Altadena Community Center
- Ruben Ingold Park Improvements
- Los Angeles County Disaster Recovery Program

Los Angeles County Metropolitan Transportation Authority
For nearly two decades, Simpson & Simpson Management Consulting has provided program controls and financial and contract compliance audits for the Los Angeles County Metropolitan Transportation Authority. Our services have been used for multiple bond-funded programs serving over 80 cities in the Los Angeles County area that receive funds for transportation-related projects. Significant programs include the Blue, Green and Gold light-rail transit lines.