Kimley-Horn and Associates

Kimley-Horn is an engineering, planning and design consulting firm in the United States. The company says it has worked with clients since 1967. It serves public and private clients. Aviation and aerospace is one of many markets on its site. Others include transportation, energy, water, education, healthcare, ports and maritime, and real estate.

The firm lists a wide set of services. These include planning and due diligence, environmental and sustainability work, approvals, design and engineering, and development services. It also lists outdoor space design, construction phase services, operations and maintenance, program management, asset management and advisory work.

Kimley-Horn also lists its own software and tools. Some of the names are DRIVE, Kadence, KITS, PV Tune, SMARTS, Traction Connect, Traction Live and TREDLite VMT. The site presents them as part of its solutions group.

For airports, the site shows a piece on risk-based pavement management. It says the firm's pavement experts help airport owners look past condition ratings. The aim is to find risk, rank investments and improve how well the airfield copes with problems. The project list also includes the Colorado Aviation Economic Impact Study, which measures economic growth with data.

Other projects range widely. They include a rail program in Virginia, an inland port in Charlotte, a downtown center in Celina, Texas, and mobility work for major soccer events in several United States cities.

The firm says it leads with a people-first mindset. It has been named to Fortune lists of top workplaces, including one for consulting and professional services in 2026. The about page also lists awards such as the PEOPLE Companies that Care list for 2025.

The site says the firm offers local knowledge backed by national resources, scaled to the needs and budget of each project. The website has pages for projects, markets, services, news and insights, locations and careers. It also has pages about international projects, safety, sustainability and community involvement.