Founded in 1980, Hillsboro Aviation offers complete helicopter, airplane, and unmanned services comprised of six divisions: c ... ontract and charter, defense operations, aircraft sales and management, service center, FBO, and parts sales. Serving domestic and international markets in the government, commercial, and private sectors, the company has over 85 employees and 14 turbine aircraft. It operates out of its award-winning headquarters at the Portland-Hillsboro Airport (KHIO). Learn more at www.hillsboroaviation.com. read more