Hanson Professional Services Inc.
Employee-owned US consulting firm, founded 1954, providing engineering, planning, and program management across structural, transportation, aviation, power, and water infrastructure.
Hanson Professional Services Inc. is a national employee-owned consulting firm providing engineering, planning, and allied services. Founded in 1954 by Walter E. Hanson in Springfield, Illinois, where it remains headquartered, the firm has operated continuously since its founding project - designing 56 bridges for the Kansas Turnpike. It employs more than 600 people across offices in the United States.
Technical work spans structural engineering, geostructural solutions, water and environmental services, power delivery, airport engineering, surface transportation, commissioning and energy, program management, and planning. The firm's project history includes bridge and highway infrastructure, aviation facilities, and power delivery engineering, delivered alongside planning and program management services.
Hanson serves clients in aviation, transportation infrastructure, federal projects, power delivery, railway, healthcare, education, municipal government, and industrial sectors. Its stated approach emphasises technically sound solutions and practical yet progressive designs, with customer-centred service as a stated priority.