Ninyo & Moore is a geotechnical engineering, environmental consulting, and materials testing firm that was founded in 1986. The company provides a wide range of services, including geotechnical engineering, environmental consulting, materials testing, and special inspection services. It has offices throughout the western United States, including California, Arizona, Colorado, Nevada, and Texas. The company has worked on a variety of projects, including transportation infrastructure, water and wastewater treatment facilities, and commercial and residential developments.