Norton & Schmidt Consulting Engineers

Founded in 1970, Henderson Engineers is a full-service engineering design firm that serves clients throughout the United States. The company specializes in the design and development of mechanical, electrical and plumbing systems. Its division, Fire Dynamics, provides sprinkler design and code consultation services, as well as licensed fire alarms. Henderson Engineers serves the educational, entertainment, health care, hospitality, retail, recreational and real estate sectors. It also designs refrigeration, medical gas and humidification control systems. Additionally, the company provides building evaluation, code analysis, cost estimation, and design and build solutions. Henderson Engineers project portfolio includes the Lakeview Village Retirement Center, Heritage Housing, Swope Ridge Gardens and Pearl s Oyster Bar.

Terracon is a leading provider of geotechnical, environmental, construction and other related services. The company s geotechnical services include subsurface exploration and testing, foundation analysis and design, in-situ testing and performance monitoring, earth structures and retention systems, dynamic analysis and evaluations, soil stabilization and ground improvements, ground water control solutions and pavement designs. Environmental services include site assessments and investigations, remedial designs and implementations, wetlands delineation and mitigation services, industrial hygiene and indoor air quality solutions, regulatory compliance services, environmental management systems and solid waste planning. Construction services include on-site observation and monitoring programs, quality control and assurance programs, field and laboratory testing, material selection consulting, forensic investigations and construction management services. Terracon is headquartered in Lenexa, Kan.

Founded in 1996, Tetra Tech is one of the leading companies in the United States that provides consulting, engineering and technical services related to waterways, harbors and coastal areas. It assists commercial and government clients in the areas of resource management and infrastructure. The company additionally offers environmental, water and wastewater management, security design and infrastructure services. Tetra Tech works with individuals who specialize in science, research, engineering, construction and information technology. Its services include research and development, applied science and technology, program and construction management, operations and maintenance. The company employs more than 8,500 individuals and operates more than 280 offices worldwide. Headquartered in Pasadena, Calif., Tetra Tech maintains one of its offices in Kansas City, Mo.