Possible NAICS Codes
488119 – Other Airport Operations
115310 – Support Activities for Forestry
488190 – Other Support Activities for Air Transportation
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
481211 – Nonscheduled Chartered Passenger Air Transportation
481219 – Other Nonscheduled Air Transportation

Possible NAICS Codes
541620 – Environmental Consulting Services
541611 – Administrative Management and General Management Consulting Services
624230 – Emergency and Other Relief Services
562910 – Remediation Services
611710 – Educational Support Services
488119 – Other Airport Operations
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
541330 – Engineering Services
334519 – Other Measuring and Controlling Device Manufacturing
541990 – All Other Professional, Scientific, and Technical Services

Description
Other Transportation Travel and Relocation Services

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
721110 – Hotels (except Casino Hotels) and Motels
492110 – Couriers and Express Delivery Services
488490 – Other Support Activities for Road Transportation
485999 – All Other Transit and Ground Passenger Transportation
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
485991 – Special Needs Transportation
561599 – All Other Travel Arrangement and Reservation Services
485113 – Bus and Other Motor Vehicle Transit Systems
488510 – Freight Transportation Arrangement

Possible NAICS Codes
488119 – Other Airport Operations
531190 – Lessors of Other Real Estate Property
115310 – Support Activities for Forestry
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
488190 – Other Support Activities for Air Transportation

Possible NAICS Codes
488119 – Other Airport Operations
488190 – Other Support Activities for Air Transportation
926110 – Administration of General Economic Programs
811114 – Specialized Automotive Repair
561612 – Security Guards and Patrol Services
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

Description
Mailing and Distribution Services

Excludes
Excludes: Courier/Messenger (PSC R602)

Possible NAICS Codes
492110 – Couriers and Express Delivery Services
561499 – All Other Business Support Services
491110 – Postal Service
561431 – Private Mail Centers
561210 – Facilities Support Services
532420 – Office Machinery and Equipment Rental and Leasing
488510 – Freight Transportation Arrangement
541611 – Administrative Management and General Management Consulting Services
481112 – Scheduled Freight Air Transportation
541614 – Process, Physical Distribution, and Logistics Consulting Services

Description
Forest/Range Fire Suppression/Presuppression Services

Possible NAICS Codes
115310 – Support Activities for Forestry
481212 – Nonscheduled Chartered Freight Air Transportation
621910 – Ambulance Services
485999 – All Other Transit and Ground Passenger Transportation
722310 – Food Service Contractors
481211 – Nonscheduled Chartered Passenger Air Transportation
811111 – General Automotive Repair
324110 – Petroleum Refineries

Possible NAICS Codes
488119 – Other Airport Operations

Description
Logistics Support Services

Possible NAICS Codes
541614 – Process, Physical Distribution, and Logistics Consulting Services
493190 – Other Warehousing and Storage

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
488119 – Other Airport Operations
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
488190 – Other Support Activities for Air Transportation

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

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
488190 – Other Support Activities for Air Transportation
336412 – Aircraft Engine and Engine Parts Manufacturing

Description
Tuition, Registration, and Membership Fees

Possible NAICS Codes
611310 – Colleges, Universities, and Professional Schools
813920 – Professional Organizations
611430 – Professional and Management Development Training
923110 – Administration of Education Programs
611710 – Educational Support Services
813910 – Business Associations
611630 – Language Schools
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services

Description
Custodial Janitorial Services

Possible NAICS Codes
561720 – Janitorial Services
561210 – Facilities Support Services

Possible NAICS Codes
488119 – Other Airport Operations
488111 – Air Traffic Control
561990 – All Other Support Services
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing