DURABLE GOODS (SIC MAJOR GROUP F50) This major group includes establishments primarily engaged in the wholesale distribution of motor vehicles and motor vehicle parts and supplies (SIC Industry Group 501); furniture and homefurnishings (SIC Industry Group 502); lumber and other construction materials (SIC Industry Group 503); professional and commercial equipment and supplies (SIC Industry Group 504); metals and minerals, except petroleum (SIC Industry Group 505); electrical goods (SIC Industry Group 506); hardware, and plumbing and heating equipment and supplies (SIC Industry Group 507); machinery, equipment, and supplies (SIC Industry Group 508); and miscellaneous durable goods (SIC Industry Group 509).