Colton, CA  •  800 843-1287                Sacramento, CA  •  800 862-8218

Some Of Our Available Services

 Preventative/ Maintenance/


A-Z’s Southern and Northern CA state-of-the art-service facilities have your fleet’s PM and warranty services covered. Our technicians are factory trained to perform tasks ranging from routine maintenance and warranty repairs or 45 day/BIT inspections to complete engine overhauls.


A-Z’s service facilities specialize in installation of all aftermarket and OE bus parts related parts. Need a camera system or child-check system installed in a new or not-so-new bus? A-Z has you covered. Damage a bike rack or time to update those worn out seats? No problem!

 Air Conditioning

A/C on the fritz? Call A-Z! We are EXPERTS in air conditioning troubleshooting and repair. Our technicians are factory trained and certified to work on all of the industry’s top A/C lines.

 Cummins Engines

A-Z’s service techs are Cummins certified to work on your Cummins diesel and Cummins/Roush CNG engines. We are the experts in Cummins power!

 Paint & Body

A-Z’s paint & body center, located in Colton, CA, is not just an add-on service for buses heading to the showroom floor. We’re the number one choice for fleets seeking top-notch paint and body work. And, while our state-of-the-art paint booth can accommodate buses up to 60’ in length, we do not just paint buses. It is not uncommon to find Class 8 trucks or fire engines in our paint shop.

Meet the Service Team

Roger Alvarez

Roger Alvarez

Service Manager - Colton

Jeff McDougall

Jeff McDougall

Service Manager - Sacramento

Jason Westall

Jason Westall

Director of Operations

Back to top