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SEMSA owns and operates the following services:

 

• Riggs Ambulance Service, Merced, California - Exclusive ground ambulance operator for Merced County.

• Lassen Ambulance Service, Susanville, California - Exclusive ground ambulance operator for Lassen County.

• MedExpress - Providing wheelchair transporation services for Reno, Nevada and Merced County, California.

 

SEMSA provides management and/or billing services for the following:

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• Escalon Ambulance Service, Escalon, California

• Patterson Ambulance Service, Patterson, California

• Mayer Memorial Hospital ambulance

• Adin Ambulance

• SEMSA AIR 1, Susanville, California