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Semi Service, Inc. Established 1972

Our story: Family Owned

Semi Service, Inc. is a family owned business that was started in a small, two-bay trailer service and repair facility servicing the Salt Lake Valley in 1972.

From those humble beginnings, Semi Service Inc. now services the needs for over-the-road drivers and truck builds throughout the western United States.

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Semi Service offers Sales, Parts, Service, Installs, & Upfits, for:


NEW! Semi Service Expands in Salt Lake City, Utah

Semi Service recently completed construction on a new state-of-the-art 110,000 sq ft facility, with 46 service bays, a 60’ paint booth, and 25,000 sq ft of parts in stock under roof.

Our amazing facility houses a full trailer shop as well as a full truck & van equipment shop. Semi Service offers a true one-stop-shop for fleet owners, professional service workers, and entrepreneurs across the country. We are truly able to satisfy any customer request.

With our ASME, CT, & R- Stamp certified technicians, we have the ability to service, repair or modify a tank or trailer to your individual specifications.

Above, an arial view of Semi Service's facility. The Trailer shop meets the Truck & Van shop at a 90 degree angle.

President Marty Seelos and Vice President Mike Anderson at Semi Service's Salt Lake City location.



Semi Service Outfits Batmobile to Run on Natural Gas

Check out our converted CNG Batmobile! This 1989 replica Batmobile has had all systems were upgraded by Semi Service to be powered by compressed natural gas (CNG). Semi Service also replaced the original engine with a 5.7L Corvette V8.

The converted Batmobile travels around the state as a CleanCities tool, to educate kids and adults about the advantages of CNG and alternative fuels. These fuels are "just as good as regular gas," states Semi Service president, Martin Seelos.

Learn More About CNG Services