Rubber and Plastics Hoses and Belting Manufacturing, Abrasive Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing

Hand and Edge Tool Manufacturing, Sheet Metal Work Manufacturing, Machine Shops, Ball and Roller Bearing Manufacturing, Other Ordnance and Accessories Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Metal Heat Treating, Electroplating, Plating, Polishing, Anodizing, and Coloring

Petroleum Lubricating Oil and Grease Manufacturing, All Other Plastics Product Manufacturing, Rubber and Plastics Hoses and Belting Manufacturing, Concrete Block and Brick Manufacturing, Hardware Manufacturing

Ball and Roller Bearing Manufacturing, Mechanical Power Transmission Equipment Manufacturing, Gasket, Packing, and Sealing Device Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Plastics Material and Resin Manufacturing, Synthetic Rubber Manufacturing, Rubber Product Manufacturing for Mechanical Use, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing

Sheet Metal Work Manufacturing, Industrial Valve Manufacturing, Ball and Roller Bearing Manufacturing, Small Arms Manufacturing, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

Powder Metallurgy Part Manufacturing, Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Ball and Roller Bearing Manufacturing

LANCASTER

All Other Rubber Product Manufacturing, Ball and Roller Bearing Manufacturing, Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Military Armored Vehicle, Tank, and Tank Component Manufacturing

All Other Rubber Product Manufacturing, Ball and Roller Bearing Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

ALTOONA

Hardware Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Ball and Roller Bearing Manufacturing, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, All Other Miscellaneous Electrical Equipment and Component Manufacturing

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Ball and Roller Bearing Manufacturing

PITTSBURGH

YORK

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Ball and Roller Bearing Manufacturing

NEW CASTLE