Includes
Meteorological Balloons; Radiosonde Sets; Radarsonde Sets.

Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334516 – Analytical Laboratory Instrument Manufacturing
326299 – All Other Rubber Product Manufacturing
924120 – Administration of Conservation Programs
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

Description
Endangered Species Studies - Plant and Animal

Possible NAICS Codes
541620 – Environmental Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
924120 – Administration of Conservation Programs
541690 – Other Scientific and Technical Consulting Services
541380 – Testing Laboratories and Services
813312 – Environment, Conservation and Wildlife Organizations
115310 – Support Activities for Forestry
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541360 – Geophysical Surveying and Mapping Services
561730 – Landscaping Services

Description
Other Wildlife Management Services

Possible NAICS Codes
115310 – Support Activities for Forestry
541620 – Environmental Consulting Services
114210 – Hunting and Trapping
561710 – Exterminating and Pest Control Services
813312 – Environment, Conservation and Wildlife Organizations
541990 – All Other Professional, Scientific, and Technical Services
924120 – Administration of Conservation Programs
115112 – Soil Preparation, Planting, and Cultivating
541690 – Other Scientific and Technical Consulting Services
561730 – Landscaping Services

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
711510 – Independent Artists, Writers, and Performers
541519 – Other Computer Related Services

Description
Other Environmental Services, Studies, and Analytical Support

Possible NAICS Codes
541620 – Environmental Consulting Services
562910 – Remediation Services
541380 – Testing Laboratories and Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
115310 – Support Activities for Forestry
541990 – All Other Professional, Scientific, and Technical Services
481212 – Nonscheduled Chartered Freight Air Transportation
562211 – Hazardous Waste Treatment and Disposal
541611 – Administrative Management and General Management Consulting Services

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
Other Administrative Support Services

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
561110 – Office Administrative Services
561320 – Temporary Help Services
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services
541511 – Custom Computer Programming Services
561990 – All Other Support Services
622110 – General Medical and Surgical Hospitals
541519 – Other Computer Related Services

Description
Other Natural Resources and Conservation Services

Possible NAICS Codes
115310 – Support Activities for Forestry
541620 – Environmental Consulting Services
481212 – Nonscheduled Chartered Freight Air Transportation
541690 – Other Scientific and Technical Consulting Services
561730 – Landscaping Services
562910 – Remediation Services
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services

Possible NAICS Codes
924120 – Administration of Conservation Programs
813312 – Environment, Conservation and Wildlife Organizations
238110 – Poured Concrete Foundation and Structure Contractors
236220 – Commercial and Institutional Building Construction

Description
Soil Studies

Possible NAICS Codes
541380 – Testing Laboratories and Services
541620 – Environmental Consulting Services
562910 – Remediation Services
541360 – Geophysical Surveying and Mapping Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
115112 – Soil Preparation, Planting, and Cultivating
924120 – Administration of Conservation Programs
541330 – Engineering Services

Possible NAICS Codes
541620 – Environmental Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541380 – Testing Laboratories and Services
541990 – All Other Professional, Scientific, and Technical Services
541611 – Administrative Management and General Management Consulting Services
924120 – Administration of Conservation Programs
813312 – Environment, Conservation and Wildlife Organizations
541690 – Other Scientific and Technical Consulting Services
541370 – Surveying and Mapping (except Geophysical) Services
541330 – Engineering Services

Possible NAICS Codes
238910 – Site Preparation Contractors
237990 – Other Heavy and Civil Engineering Construction
237310 – Highway, Street, and Bridge Construction
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237110 – Water and Sewer Line and Related Structures Construction
221310 – Water Supply and Irrigation Systems

Description
Communications Services

Possible NAICS Codes
517111 – Wired Telecommunications Carriers
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
541519 – Other Computer Related Services
517112 – Wireless Telecommunications Carriers (except Satellite)
517810 – All Other Telecommunications
541611 – Administrative Management and General Management Consulting Services
517122 – Agents for Wireless Telecommunications Services
517121 – Telecommunications Resellers
541990 – All Other Professional, Scientific, and Technical Services
811210 – Electronic and Precision Equipment Repair and Maintenance

Includes
PROGRAM MANAGEMENT/SUPPORT (PSC R408), CONTRACT/PROCUREMENT/ACQUISITION SUPPORT (PSC R707)

Excludes
Excludes: Program Management/Support(PSC R408); Contract/Procurement/Acquisition Support (PSC R707)

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541620 – Environmental Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
611710 – Educational Support Services
541512 – Computer Systems Design Services
813920 – Professional Organizations
541330 – Engineering Services
541519 – Other Computer Related Services
611430 – Professional and Management Development Training

Description
Program Management/Support Services

Includes
Includes: Situations Where The Contractor is Solely Responsible for Program Management As Well As Situations Where the Contractor Provides Program Management Support to A Government Program Manager

Excludes
Excludes: Program Evaluations/Review/Dev(PSC R410); Contract/Procurement/Acquisition Support (PSC R707)

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541330 – Engineering Services
541690 – Other Scientific and Technical Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services
541511 – Custom Computer Programming Services
541512 – Computer Systems Design Services
561210 – Facilities Support Services
541618 – Other Management Consulting Services
541620 – Environmental Consulting Services