Description
Water Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
488390 – Other Support Activities for Water Transportation
237110 – Water and Sewer Line and Related Structures Construction
221210 – Natural Gas Distribution
924110 – Administration of Air and Water Resource and Solid Waste Management Programs

Description
Other Utilities

Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
221310 – Water Supply and Irrigation Systems
221122 – Electric Power Distribution
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221210 – Natural Gas Distribution
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
561210 – Facilities Support Services
562111 – Solid Waste Collection
221112 – Fossil Fuel Electric Power Generation

Includes
Control Assemblies, Push-Pull; Brace, Positioning Cargo Ramp Stowed on Board; Cockpit Mounted Control Quadrants; Actuators, Electromechanical and Mechanical; Ventilators; Relief Tubes; Map Holders; Aerial Glider Towing Accessories Attached to Aircraft; Belts, Safety and Lap; Harness, Shoulder and Safety; Litter Attaching Supports; Electric Windshield Wipers; Aircraft Onboard Inert Gas Generators; Aircraft Furniture; Aircraft Mounted Winches and Hoists; In-Flight Refueling System Components, including Fuel Components; Aircraft Curtains; Cable Tension Regulators; Sun Visors; Rear-View Mirrors; Mechanical Transmissions, Gearboxes and Constant Speed Drives Specially Designed for Aircraft.

Excludes
Engine Mounted Control Assemblies; Fitted Covers, Aircraft Pylons; Helicopter Rotor Brake System Components; Helicopter Automatic Stabilization Equipment.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing
488190 – Other Support Activities for Air Transportation
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Description
Data Analysis (other than scientific)

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541720 – Research and Development in the Social Sciences and Humanities
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541519 – Other Computer Related Services
541511 – Custom Computer Programming Services
611310 – Colleges, Universities, and Professional Schools
541910 – Marketing Research and Public Opinion Polling
519290 – Web Search Portals and All Other Information Services

Description
Other Social Services

Possible NAICS Codes
624221 – Temporary Shelters
623220 – Residential Mental Health and Substance Abuse Facilities
624229 – Other Community Housing Services
624190 – Other Individual and Family Services
813110 – Religious Organizations
624410 – Child Care Services
722310 – Food Service Contractors
525120 – Health and Welfare Funds
624230 – Emergency and Other Relief Services
711130 – Musical Groups and Artists

Description
Market Research and Public Opinion Services (includes telephone and field interviews, focus testing, and surveys)

Possible NAICS Codes
541910 – Marketing Research and Public Opinion Polling
541611 – Administrative Management and General Management Consulting Services
541613 – Marketing Consulting Services
541720 – Research and Development in the Social Sciences and Humanities
513210 – Software Publishers
519290 – Web Search Portals and All Other Information Services
541810 – Advertising Agencies
611430 – Professional and Management Development Training
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services