Includes
Light Burner Fuels; Diesel Fuels, Kerosene; Military Specification Type Residuals; Special and Heavy Grade Turbine Vessel Propulsion Fuels; Federal Specification Heavy Burner Fuels; Bunker "C" Commercial Grade Fuel; Heavy Fuel and other Black (Boiler Type) Fuels; Illuminating Oils.

Possible NAICS Codes
324110 – Petroleum Refineries
457210 – Fuel Dealers
324191 – Petroleum Lubricating Oil and Grease Manufacturing
324199 – All Other Petroleum and Coal Products Manufacturing
213112 – Support Activities for Oil and Gas Operations
424720 – Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)
333132 – Oil and Gas Field Machinery and Equipment Manufacturing

Possible NAICS Codes
221115 – Wind Electric Power Generation
541614 – Process, Physical Distribution, and Logistics Consulting Services
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
221122 – Electric Power Distribution

Description
Electric Services

Possible NAICS Codes
221122 – Electric Power Distribution
221112 – Fossil Fuel Electric Power Generation
221118 – Other Electric Power Generation
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
221210 – Natural Gas Distribution
221121 – Electric Bulk Power Transmission and Control
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
238210 – Electrical Contractors and Other Wiring Installation Contractors

Description
Engineering and Technical Services

Includes
Includes: System Engineering, Technical Assistance and Other Services Used to Support the Program Office During the Acquisition Cycle

Excludes
Excludes: Language Translation and Sign Language Interpretation (PSC R608)

Possible NAICS Codes
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541512 – Computer Systems Design Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
336611 – Ship Building and Repairing
541519 – Other Computer Related Services
541611 – Administrative Management and General Management Consulting Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238160 – Roofing Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction

Description
Maintenance, Repair and Rebuilding of Equipment: Construction, Mining, Excavating, and Highway Maintenance Equipment

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
811111 – General Automotive Repair
333120 – Construction Machinery Manufacturing
238990 – All Other Specialty Trade Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
811121 – Automotive Body, Paint, and Interior Repair and Maintenance

Description
Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components

Possible NAICS Codes
336412 – Aircraft Engine and Engine Parts Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811111 – General Automotive Repair
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333611 – Turbine and Turbine Generator Set Units Manufacturing
488190 – Other Support Activities for Air Transportation
811490 – Other Personal and Household Goods Repair and Maintenance
336611 – Ship Building and Repairing
336350 – Motor Vehicle Transmission and Power Train Parts Manufacturing

Description
Other Architect and Engineering Services

Possible NAICS Codes
541330 – Engineering Services
541310 – Architectural Services
541370 – Surveying and Mapping (except Geophysical) Services
562910 – Remediation Services
541360 – Geophysical Surveying and Mapping Services
541620 – Environmental Consulting Services