Founded in 1955, WTI, also known as Western Technologies, is a consulting firm that offers a range of services related to infrastructure, development and environment. The firm offers services in the fields of geotechnical, environmental and material engineering, allied services, construction inspection and material quality control testing. Its environmental services include industrial hygiene, indoor air quality assessment, asbestos inspection and remedial oversight, underground storage tank investigation and remediation and regulatory compliance assistance. WTI additionally offers foundation investigation, geological surveys, failure analyses and erosion control services. Its clients include real estate development firms, financial institutions, health care facilities, transportation authorities, public development corporations, utilities, and federal, state and local governmental agencies. WTI maintains one of its locations in Flagstaff, Ariz.