First Op

First Op is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Machinery Rebuild & Repair

North American Industry Classification System (NAICS) Categories:

• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance > Industrial & Heavy Equipment Repair > Machinery Rebuild & Repair

Standard Industry Classification (SIC) Categories:

• Repair Shops And Related Services, Nec > Industrial & Heavy Equipment Repair > Machinery Rebuild & Repair