AM General designs, engineers, manufactures, supplies, and supports specialized vehicles for commercial and military customers. The AM General business units also include two wholly owned subsidiaries, General Engine Products, a diesel engine manufacturer, and General Transmission Products, an automatic transmission manufacturer.

Batesville Fire & EMS is a full-service fire and emergency medical service agency providing basic and advanced pre-hospital life support, fire prevention and education programs, fire suppression services, and vehicle extrication.

Cummins Inc., is a corporation of complementary business units that design, engineer, manufacture, distribute and service engines and related technologies. They provide a complete range of diesel engines from 260 to 600 horsepower (194-447 kW) for everything from ambulances to pumpers. They also offer a full range of hydraulic generators, power take-off (PTO) generators and standby generators.

Hoosier Fire Equipment, Inc. is a family owned and operated business, headquartered and based out of the State of Indiana in the US. Founded in 1957, the company manufactures breathing air compressors, extrication and rescue equipment, fire hose, gas detection gear, ladders, hand tools, nozzles, vehicle lighting apparatus, station accessories, personal protective equipment and portable tanks and containment systems.

Koorsen Fire & Security provides residential and commercial security solutions. The company's commercial security solutions include: security alarm systems, access control, enterprise-level integrated security, fire alarm monitoring and commercial alarm monitoring.

Since 1998, National Fireproofing Supply Co. has been providing fireproofing products, which include fire retardant sprays and UL Classified intumescent firestopping. They offer a range of fireproofing products, from intumescent coatings to fire-stopping collars and caulks, in order to ensure that customers have access to the best products for their specific needs.