To treat earth, air, and water, GZA GeoEnvironmental offers an array of environmental services from Z to A across the US of A. The company provides environmental consulting and remediation, geotechnical engineering, construction management, and regulatory compliance services through a network of 25 US locations. It also offers air quality monitoring services through its Airlogics partnership, and operates a soil and rock instrumentation division. The company operates Baystate Environmental Consultants which provides civil engineering, natural resource management, environmental permitting, and environmental land planning services across the US.