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
711510 – Independent Artists, Writers, and Performers
541330 – Engineering Services
541690 – Other Scientific and Technical Consulting Services
541519 – Other Computer Related Services
721110 – Hotels (except Casino Hotels) and Motels
611430 – Professional and Management Development Training
561320 – Temporary Help Services

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
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541519 – Other Computer Related Services
561210 – Facilities Support Services
541512 – Computer Systems Design Services
541618 – Other Management Consulting Services
541511 – Custom Computer Programming Services
561920 – Convention and Trade Show Organizers

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
561990 – All Other Support Services
541330 – Engineering Services
541199 – All Other Legal Services
721211 – RV (Recreational Vehicle) Parks and Campgrounds
541519 – Other Computer Related Services

Description
Other Management Support Services

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
561320 – Temporary Help Services
561210 – Facilities Support Services
541519 – Other Computer Related Services
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services
541512 – Computer Systems Design Services
541511 – Custom Computer Programming Services
541618 – Other Management Consulting Services
541690 – Other Scientific and Technical Consulting Services

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
541330 – Engineering Services
541512 – Computer Systems Design Services
611710 – Educational Support Services
541690 – Other Scientific and Technical Consulting Services
611430 – Professional and Management Development Training
541519 – Other Computer Related Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

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
541611 – Administrative Management and General Management Consulting Services
541620 – Environmental Consulting Services
541519 – Other Computer Related Services
336611 – Ship Building and Repairing
541713 – Research and Development in Nanotechnology

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

Description
Contract, Procurement, and Acquisition Support Services

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services
541519 – Other Computer Related Services
611430 – Professional and Management Development Training
541620 – Environmental Consulting Services
561110 – Office Administrative Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
561210 – Facilities Support Services
541512 – Computer Systems Design Services

Description
Other Education and Training Services

Possible NAICS Codes
611430 – Professional and Management Development Training
611512 – Flight Training
611710 – Educational Support Services
611699 – All Other Miscellaneous Schools and Instruction
611519 – Other Technical and Trade Schools
541611 – Administrative Management and General Management Consulting Services
611630 – Language Schools
611310 – Colleges, Universities, and Professional Schools
611420 – Computer Training
541990 – All Other Professional, Scientific, and Technical Services

Description
Expert Witness

Possible NAICS Codes
621111 – Offices of Physicians (except Mental Health Specialists)
541199 – All Other Legal Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541611 – Administrative Management and General Management Consulting Services
541930 – Translation and Interpretation Services
621112 – Offices of Physicians, Mental Health Specialists
541618 – Other Management Consulting Services
531320 – Offices of Real Estate Appraisers
541330 – Engineering Services

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
519290 – Web Search Portals and All Other Information Services
541990 – All Other Professional, Scientific, and Technical Services
541820 – Public Relations Agencies
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541810 – Advertising Agencies
611430 – Professional and Management Development Training

Possible NAICS Codes
541612 – Human Resources Consulting Services
541611 – Administrative Management and General Management Consulting Services
561611 – Investigation and Personal Background Check Services
541330 – Engineering Services
611430 – Professional and Management Development Training
541713 – Research and Development in Nanotechnology
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541990 – All Other Professional, Scientific, and Technical Services
561311 – Employment Placement Agencies
541519 – Other Computer Related Services

Description
Training/Curriculum Development

Possible NAICS Codes
611430 – Professional and Management Development Training
611710 – Educational Support Services
541611 – Administrative Management and General Management Consulting Services
611310 – Colleges, Universities, and Professional Schools
541990 – All Other Professional, Scientific, and Technical Services
611420 – Computer Training
541620 – Environmental Consulting Services
611699 – All Other Miscellaneous Schools and Instruction
611519 – Other Technical and Trade Schools
611512 – Flight Training

Description
Other Special Studies and Analysis

Possible NAICS Codes
541512 – Computer Systems Design Services
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services
541330 – Engineering Services
541720 – Research and Development in the Social Sciences and Humanities
541620 – Environmental Consulting Services
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
561611 – Investigation and Personal Background Check Services

Description
Operations Research and Quantitative Analysis Services

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541720 – Research and Development in the Social Sciences and Humanities
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541330 – Engineering Services
541620 – Environmental Consulting Services
541713 – Research and Development in Nanotechnology
541618 – Other Management Consulting Services
561320 – Temporary Help Services