Since 1957, Interstate Companies has focused on customers first. Interstate Companies is an industrial conglomerate focused on distribution, industrial product sales and manufacturing. We specialize in sales and support of heavy-duty trucks, final-stage vehicle manufacturing, sales and support of diesel engines, industrial bearing and power transmission products, industrial transmissions, power generation, marine, transport refrigeration and other products. We also provide industrial labor and contract assembly services.
As our company has grown, so has our commitment to the people we serve through the divisions in the Interstate portfolio— Power Systems, Energy Systems, I-State Truck Center, Bearing Systems, and Assembly Systems.
Interstate Power Systems is a leading distributor of both on-highway and off-highway engines and transmissions. Our high-quality products are essential for many industries – mining, energy, manufacturing, agriculture, construction, transportation, marine and power generation. We offer sales, service and support for an extensive line of products that includes Allison Transmission, Alliance Truck Parts, Atlas Copco, Carrier Transicold, Detroit Diesel, Deutz, Liebherr, mtu, Volvo Penta and many more. We have hundreds of certified, experienced, factory-trained, and industry-recognized technicians who have just one focus—keeping you up and running.