Cornerstone Engineering Group, p.c. (CEG), headquartered in Decatur, Alabama, was established by Haynes Smith, Jr. in 1986. (CEG) offers engineering services to the chemical, specialty chemicals, board, fibers, metals, pulp and paper, foods, light to heavy industrial manufacturing, rubber, roofing, aerospace, water and waste treatment, commercial and government sectors of industry.

Our staff consists of multi-discipline professional engineers, designers, technical and administrative personnel that form a quality team to respond to the expanding needs of our clients. (CEG) eliminates many of the communication problems that arise by dealing with several single disciplined engineering firms during a project.