• 332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

• 332312 – Fabricated Structural Metal Manufacturing

• 332313 – Plate Work Manufacturing

• 332321 – Metal Window And Door Manufacturing

• 332322 – Sheet Metal Work Manufacturing

• 332323 – Ornamental And Architectural Metal Work Manufacturing

• 332439 – Other Metal Container Manufacturing

• 332510 – Hardware Manufacturing

• 332710 – Machine Shops

• 332721 – Precision Turned Product Manufacturing

• 332722 – Bolt, Nut, Screw, Rivet, And Washer Manufacturing

• 334111 – Electronic Computer Manufacturing

• 334112 – Computer Storage Device Manufacturing

• 334210 – Telephone Apparatus Manufacturing

• 334220 – Radio And Television Broadcasting And Wireless Communications Equipment Manufacturing

• 334290 – Other Communications Equipment Manufacturing

• 335929 – Other Communication And Energy Wire Manufacturing

• 335931 – Current-Carrying Wiring Device Manufacturing

• 335932 – Noncurrent-Carrying Wiring Device Manufacturing

• 336413 – Other Aircraft Parts And Auxiliary Equipment Manufacturing

• 336991 – Motorcycle, Bicycle, And Parts Manufacturing

• 339999 – All Other Miscellaneous Manufacturing

• 541330 – Engineering Services

• 811210 – Electronic And Precision Equipment Repair And Maintenance

• 811310 – Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance

PSC Codes

• K016 Modification Of Equipment- Aircraft Components And Accessories
• K017 Modification of Equipment- Aircraft Launching, Landing, and Ground Handling Equipment
• K020 Modification Of Equipment- Ship And Marine Equipment
• K023 Modification Of Equipment- Ground Effect Vehicles, Motor Vehicles, Trailers, And Cycles
• K095 Modification Of Equipment- Metal Bars, Sheets, And Shapes
• K099 Modification Of Equipment- Miscellaneous
• L034 Technical Representative- Metalworking Machinery
• R425 Support- Professional: Engineering/Technical