Perry, Crabb & Associates, also known as PCA, is an engineering consultation firm. The company has been in operation more than 45 years. With over 35 employees, it undertakes a variety of renovation and construction projects. Perry, Crabb & Associates handles projects for colleges, health care centers, universities, energy plants and specialty buildings throughout the southeastern United States. The company conducts code compliance reviews. It specializes in electrical and mechanical engineering services. Perry, Crabb & Associates also offers lighting design, lightning protection and plumbing solutions. The company s project portfolio includes the Children s Healthcare of Atlanta and the Georgia Institute of Technology.