This industry group comprises establishments primarily engaged in offering (1) architectural services for residential, institutional, leisure, commercial, and industrial buildings and structures as well as for landscape purposes; (2) offering engineering services, including drafting services or building inspection services; (3) offering geophysical surveying and mapping services; (4) surveying and mapping services, except geophysical; and (5) offering testing laboratory services except medical and veterinary (the testing can occur in a laboratory or on-site).