Virginia Contracting Activity (VACA) anticipates establishing a contract under North American Industrial Classification System (NAICS) Code 333517, "Machine Tool Manufacturing" with a Small Business s... Virginia Contracting Activity (VACA) anticipates establishing a contract under North American Industrial Classification System (NAICS) Code 333517, "Machine Tool Manufacturing" with a Small Business standard of 650 employees. The NAICS Code 333517 is currently a preliminary classification. Our agency is seeking input from the industry to identify a more precise code for a Kern Optiflex Laser Cutting & Engraver System.