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Ricker Atkinson McBee Morman & Associates is a full-service geotechnical engineering and construction materials testing firm headquartered in Tempe, Ariz. The firm was incorporated in Arizona in 1994. The firm is a small business enterprise owned and operated by senior level professionals who have worked in Arizona for many years. Its staff includes Arizona- registered professional engineers, engineers-in-training, and certified engineering technicians and inspectors. The firm has a soils, asphalt and concrete testing laboratory. Ricker Atkinson McBee Morman & Assoicats laboratory participates in various inspection programs. The firm provides the following services: test drilling, subsurface exploration, soil mechanics and laboratory testing. The firm also provides engineering recommendations for use in design of concrete slab-on-grade floors, foundations, earth embankments, earth-retaining structures, subsurface sewage and storm water disposal.

Headquartered in Englewood, Colo., CH2M HILL is an employee-owned program management and design firm. It specializes in engineering, procurement, construction and operation services. The company serves the private and public sectors, including transportation, water, energy and industrial facilities. CH2M HILL employs more than 24,000 staff members and maintains multiple office locations worldwide. It provides architecture planning, site and infrastructure, decontamination and decommissioning, and program, energy, enterprise information and security management services. It designs, plans, builds, upgrades, renovates and operates various facilities. Additionally, the company offers design and build services. CH2M HILL additionally serves the chemical, environmental, manufacturing, power and life sciences industries. The maintains one of its locations in Tempe, Ariz.