ACT offers a range of construction services, including engineering, project construction, and specialty construction. They provide solutions for contaminated soil or groundwater issues, such as soil VOCs and methane mitigation. ACT is known for its attention to detail, adherence to timelines, and staying within budget. Their clients include attorneys, developers, engineers, general contractors, and homeowner's associations. Founded in 2001 and headquartered in Union City, California, ACT GeoKinetics, a division of ACT, focuses on designing and installing methane gas and vapor intrusion mitigation systems, as well as providing other geotechnical and environmental engineering services.