AUSTIN, Texas–(BUSINESS WIRE)–Surveying And Mapping, LLC (“SAM” or the “Company”) today announced that it has acquired Donaldson, Garrett & Associates, Inc. (“DG&A”), a Georgia-based land surveying firm serving commercial, utilities, and local government clients. DG&A brings an experienced team of land surveying professionals, established operations in Georgia and North Carolina, and a strong base of long-standing client relationships across the Southeast region. The acquisition e