TEC is a certified Woman-owned (WBE) and Detroit-based (DBB) engineering consulting firm founded in 1966 with offices in Troy, Ann Arbor, and Detroit. We provide environmental, geotechnical, and facilities engineering and consulting, indoor air quality and asbestos, lead, and mold management services, as well as construction materials testing to markets such as healthcare, education, government, retail/commercial, and industrial. Projects range in size from $2,000 to multi-million dollar contracts.