What We Do
"S.erviceO.n S.ite" is the most qualified and affordable Heavy Duty Mobile Diesel Truck/Equipment, company in the area,  We specialize in a large range of services which include commercial trucks/trailers break downs, light-heavy construction equipment, buses, road calls, fleet services, RV diesel pushers, lock out service, just to name a fewPlease visit our "SERVICES" page.
Who We Are
Offering a positive, old fashioned family business experience, like no other.  We have over 40 yrs of experience and the best rates around.  We are personable with integrity. 

How We're Different
S.ervice O.n S.ite is ALWAYS, conveniently based in Flagstaff, AZ.  We are NOT just "SEASONAL".This family owned/operated business that believes in affordable, personable, friendly and professional service.  There is something lost in the "Business World" today.  We genuinely care about our customers. We take the time to listen to our customer's concerns, to assist them in making the most educated and economical decisions.  Always explaining the problem in detail and never making unnecessary repairs.

How S.O.S. Got Started

In 2005, the Service Write
r of John Deere Dealership, met the Service Manager of a backhoe rental company, and successfully started her own mobile diesel repair company. Offering their 40 years experience giving you, S.ervice O.n S.ite, LLC.



Open 24/7*

*Serving: Northern Arizona (Flagstaff and surrounding areas)
S.ervice O.n S.ite, LLC reserves the right to refuse service to anyone.
Licensed & Insured

Our availability does not apply to days when there is dangerous weather conditions, during special events, severe off road conditions, times of road construction or acts of God.  24/7 hours of operation are for EMERGENCY ROADSIDE COMMERCIAL DIESEL TRUCK SERVICE ONLY.

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Unfortunately we are not currently in business due to serious family illness.
An opening date is yet to be determined, and we apologize for the inconvenience.