Possible NAICS Codes
541612 – Human Resources Consulting Services
541611 – Administrative Management and General Management Consulting Services
541330 – Engineering Services
561611 – Investigation and Personal Background Check Services
541519 – Other Computer Related Services
611430 – Professional and Management Development Training
561311 – Employment Placement Agencies
541990 – All Other Professional, Scientific, and Technical Services
541713 – Research and Development in Nanotechnology
561312 – Executive Search 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
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

Description
Library Services

Possible NAICS Codes
519210 – Libraries and Archives
519290 – Web Search Portals and All Other Information Services
513120 – Periodical Publishers
541519 – Other Computer Related Services
513110 – Newspaper Publishers
561110 – Office Administrative Services
541611 – Administrative Management and General Management Consulting Services
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
513199 – All Other Publishers
513130 – Book Publishers

Description
Legal Services

Includes
Includes: Attorney Services, Such as Testimony Preparation, Adjudication; Arbitration; Mediation

Excludes
Excludes: Environmental Legal Support (PSC F115), Expert Witness (PSC R424), Court Reporting (PSC R606)

Possible NAICS Codes
541110 – Offices of Lawyers
541199 – All Other Legal Services
541611 – Administrative Management and General Management Consulting Services
561611 – Investigation and Personal Background Check Services
541990 – All Other Professional, Scientific, and Technical Services
922130 – Legal Counsel and Prosecution
813311 – Human Rights Organizations
541191 – Title Abstract and Settlement Offices
561320 – Temporary Help Services
541519 – Other Computer Related Services

Description
Education Services

Possible NAICS Codes
611430 – Professional and Management Development Training
611710 – Educational Support Services
541519 – Other Computer Related Services
611699 – All Other Miscellaneous Schools and Instruction
541611 – Administrative Management and General Management Consulting Services
611310 – Colleges, Universities, and Professional Schools
611519 – Other Technical and Trade Schools
611630 – Language Schools
611512 – Flight Training
513130 – Book Publishers

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

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
541990 – All Other Professional, Scientific, and Technical Services
541713 – Research and Development in Nanotechnology
611310 – Colleges, Universities, and Professional Schools
541330 – Engineering Services
541690 – Other Scientific and Technical Consulting Services
541380 – Testing Laboratories and Services
541720 – Research and Development in the Social Sciences and Humanities

Includes
Electric Signs; Sign Boards; Display Stands; Mannequins and other display forms; Printed Signs; General Purpose Identification Tags and Blanks, Nonpersonal; Plates and Tags for specific applications.

Possible NAICS Codes
334111 – Electronic Computer Manufacturing
325611 – Soap and Other Detergent Manufacturing
339950 – Sign Manufacturing
323113 – Commercial Screen Printing
332510 – Hardware Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing
423710 – Hardware Merchant Wholesalers
326199 – All Other Plastics Product Manufacturing