JMA originally stood for Jack Matthews and Associates. Jack Matthews started his management consulting company in 1984 to provide sales and marketing re-organization services to a wide variety of industries.  
 
During one particular consulting project, Jack Matthews and Associates became involved in the railroad industry. This one project evolved into the core business of today's JMA Railroad Supply Company (also known as JMA).

JMA's first client was a well-known remanufacturer of locomotive air compressors. Quality begat quality, and now we are the most well-known short line and industrial railroad representative in the United States.
Jack Matthews
JMA currently represents 11 quality manufacturers to the short line and Class I railroads. We provide everything from $10 replacement parts to $250,000 capital investments in remanufactured locomotives.  
 
We have spent many years creating the momentum that we currently enjoy in the industry, and it is our quality people that help us maintain that excellence in service.
JMA Railroad Supply Company represents 11 premier manufacturers of locomotive, car and track components. We work closely with the Short Line, Industrial and Re-builders across the country. JMA has also developed close relationships with several Class 1 Railroads. We like to believe that our willingness to go above and beyond for our customers, quality workmanship and our "small town" values is what keep people returning again and again. With 35 years of experience, JMA is committed to representing only quality affiliates. We are committed to providing only the very best customer service.  
 
Being diversified assures that we can provide our customers with a plethora of materials. Our traditional, person to person selling approach paired with a unique marketing approach has proven to be a success time and again.