Keeping the Railroad Industry on Track Since 1976.

We come from a heritage of quality, service and expertise. Our AAR-approved Air Brake Shop is one of the largest privately owned shops in the country, where we take pride in our quality and ability to provide the services and materials our customers need, when they need them.

Who we are

We are your quality railroad air brake supplier when you need to repair, restore, or purchase air brake components for locomotives, freight cars, and passenger cars.

Decades of Experience

Decades of Experience

If you do not know exactly what you are looking for, we can help.

Diamond Quality Parts

Diamond Quality Parts

All materials used in our repairs, as well as new components available for purchase, are of the highest quality and AAR-approved.

Commitment to Service

Customer Service

We provide diligent service and advice to all of our customers. We are here to help when our customers need us.

Railroad Car Parts, Sourcing, and Exchange

Multi-Service Supply is your trusted supplier of quality new, used, and reconditioned car parts and components. We are able to source and supply quality parts and materials for our customers.

Comprehensive Parts Catalog

Our extensive inventory allows us to offer valves, hoses and component parts to our customers on an outright sale, unit exchange or repair-and-return basis — quickly and easily.

Unit Exchange Program

When waiting for repairs is not an option, this unique program lets a buyer purchase air brake valves by exchanging their used valves.

I have been using Multi-Service Supply for over 10 years for all my locomotive and rail car air valve needs. Their competitive pricing, above standard lead times in today’s market, and great customer service have kept them as a preferred vender of mine. I look forward to working with Multi-Service Supply for many years to come.”
Justin Moon

Latest News


Automated Single Car Test Device


The AAR will be requiring the use of automated single car test devices on July 1, 2024. The current price for the complete package is $23,000.00. Annual calibrations are $650.00….


C-13973: AAR Revision Notification


The Association of American Railroads (AAR) has recently issued a notice of revisions to address required gauges and publications other than on repair tracks. The target implementation date is July…