Founded in 1969, Entran offers a range of airport-related planning, design and construction services. It provides construction engineering, bridge maintenance inspection, environmental, and wetland and stream mitigation solutions. The company offers public transportation, land use planning, urban design, and program and project management services. Entran provides various traffic engineering solutions, such as geometric design, transportation site impact analysis, parking studies and intersection control. The company also offers surveying, roadway design and transportation planning services. It serves airport boards, private entities, regional planning organizations, toll authorities, and federal and state agencies. Entran has completed various projects for Hawesville Aviation Facility and Somerset-Pulaski County Airport.