Columbia Helicopters, Incorporated (CHI) is an aircraft manufacturing and operator company based in Aurora, Oregon, United States. It is known for operating tandem rotor helicopters; in present times, exclusively the Boeing Vertol 107 and Boeing Vertol 234. These helicopters are used in stream restoration and forestry, including heli-logging, aerial firefighting, oil exploration, construction, government support, film production, disaster response, and many other activities. In addition, the company operates a large FAA repair station supporting customers worldwide.

Erickson Incorporated is an American aerospace manufacturing and aviation service provider based in Portland, Oregon, United States. Founded in 1971, it is known for producing and operating the S-64 Aircrane helicopter, which is used in aerial firefighting and other heavy-lift operations. Erickson Incorporated operates globally and has a fleet of 69 rotary-wing and fixed-wing aircraft including 20 S-64s. The company was known as Erickson Air-Crane Incorporated until 2014. Erickson's main facility is located in the Southern Oregon community of Central Point.