332710 - Machine shops; 332722 - Bolt, Nut, Screw, Rivet, and Washer Manufacturing; 423710 - Hardware (except motor vehicle) merchant wholesalers; 32000 - FASTENERS: BOLTS, NUTS, PINS, RIVETS, SCREWS, ETC., INCLUDING PACKAGING, STRAPPING AND TYING EQUIPMENT AND SUPPLIES; 92948 - Machine Shop and Fabricating Services, Industrial (See 928-54 for Automotive Type)