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

Possible NAICS Codes
561611 – Investigation and Personal Background Check Services
541611 – Administrative Management and General Management Consulting Services
541612 – Human Resources Consulting Services
922190 – Other Justice, Public Order, and Safety Activities
541519 – Other Computer Related Services
519290 – Web Search Portals and All Other Information Services
513120 – Periodical Publishers
541990 – All Other Professional, Scientific, and Technical Services

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

Description
Information Retrieval

Includes
Includes: Service Related to Search and Storage of Text Images, Video, and Other Such Data

Possible NAICS Codes
541110 – Offices of Lawyers
519290 – Web Search Portals and All Other Information Services
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
561611 – Investigation and Personal Background Check Services
541611 – Administrative Management and General Management Consulting Services
513120 – Periodical Publishers
541519 – Other Computer Related Services
921190 – Other General Government Support
541612 – Human Resources Consulting Services
541990 – All Other Professional, Scientific, and Technical Services

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
541990 – All Other Professional, Scientific, and Technical Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
561311 – Employment Placement Agencies
561320 – Temporary Help Services

Description
Security Studies (Physical and Personal)

Possible NAICS Codes
561611 – Investigation and Personal Background Check Services
561612 – Security Guards and Patrol Services
561621 – Security Systems Services (except Locksmiths)
541690 – Other Scientific and Technical Consulting Services
541611 – Administrative Management and General Management Consulting Services
541519 – Other Computer Related Services
541330 – Engineering Services
541612 – Human Resources Consulting Services
921190 – Other General Government Support
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

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
541690 – Other Scientific and Technical Consulting Services
541512 – Computer Systems Design Services
561990 – All Other Support Services
541511 – Custom Computer Programming Services

Description
Data Collection Services

Excludes
Excludes: Market Research/Public Opinion to Include Telephone and Field Interviews, Focus Testing, and Surveys (PSC R422)

Possible NAICS Codes
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541611 – Administrative Management and General Management Consulting Services
561611 – Investigation and Personal Background Check Services
541219 – Other Accounting Services
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services
541910 – Marketing Research and Public Opinion Polling
923120 – Administration of Public Health Programs
513210 – Software Publishers
561450 – Credit Bureaus

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
541618 – Other Management Consulting Services
541512 – Computer Systems Design 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
541990 – All Other Professional, Scientific, and Technical Services
561210 – Facilities Support 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 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
541620 – Environmental Consulting Services
541330 – Engineering 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)
541713 – Research and Development in Nanotechnology

Description
Intelligence Services

Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services
561611 – Investigation and Personal Background Check Services
541611 – Administrative Management and General Management Consulting Services
541713 – Research and Development in Nanotechnology
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
519290 – Web Search Portals and All Other Information Services
541511 – Custom Computer Programming Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541330 – Engineering Services

Description
Other Education and Training Services

Possible NAICS Codes
611430 – Professional and Management Development Training
611710 – Educational Support Services
611512 – Flight Training
611699 – All Other Miscellaneous Schools and Instruction
541611 – Administrative Management and General Management Consulting Services
611519 – Other Technical and Trade Schools
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
541330 – Engineering Services
531320 – Offices of Real Estate Appraisers

Possible NAICS Codes
561612 – Security Guards and Patrol Services
561621 – Security Systems Services (except Locksmiths)
922120 – Police Protection
561210 – Facilities Support Services
561611 – Investigation and Personal Background Check Services
334290 – Other Communications Equipment Manufacturing
541990 – All Other Professional, Scientific, and Technical Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
541519 – Other Computer Related Services
541330 – Engineering Services