ACA Engineering Inc. (ACA) is an engineering services providing company. The company principally engages in the business of offering wide range of services that include geo- technical solutions, inspection and testing services and environmental services. It mainly focuses on providing services to different organizations such as large corporations, governmental agencies and private companies. ACA offers cost effective engineering services with an extensive industry experience. The company has its operating offices in Pennsylvania and Ohio.

Geotechnical Solutions and construction materials testing and inspection services include site investigation, borrow site evaluation and slope stability analysis and soil compaction and inspection, concrete and asphalt coring respectively. ACA also provides environmental assessment, wetland delineation and risk management programs as a part of environmental services. ACA Engineering Inc. is headquartered in Pittsburgh, Pennsylvania, the US.