Established in 1989, HESM&A specializes as an engineering consultant. Based in Atlanta, Ga., it offers an array of services, such as mechanical, electrical, plumbing (MEP) services, building commissioning, fire protection, network infrastructure and maintenance. The company caters to various sectors, including office, hotels, data centers, retail, medical, education, government, industrial and more. Its list of clients include American Intercontinental University, Bank of America, Forrest General Hospital, Havertys Furniture Stores, Hilton Hotels, Marriott International Inc., to name a few.