Description
Expert Witness

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

Description
Patent and Trademark Services

Possible NAICS Codes
541110 – Offices of Lawyers
541199 – All Other Legal Services
541990 – All Other Professional, Scientific, and Technical Services
541340 – Drafting 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
541511 – Custom Computer Programming Services
561990 – All Other Support Services
541512 – Computer Systems Design Services
541618 – Other Management Consulting Services

Description
Court Reporting Services

Excludes
Excludes: Transcription (PSC R603), Stenographic (PSC R 609)

Possible NAICS Codes
561492 – Court Reporting and Stenotype Services
561320 – Temporary Help Services
561410 – Document Preparation Services

Description
Legal Studies

Possible NAICS Codes
922130 – Legal Counsel and Prosecution
541199 – All Other Legal Services
541110 – Offices of Lawyers
519290 – Web Search Portals and All Other Information Services
561990 – All Other Support Services
541990 – All Other Professional, Scientific, and Technical Services
813920 – Professional Organizations
541720 – Research and Development in the Social Sciences and Humanities
541519 – Other Computer Related Services
236220 – Commercial and Institutional Building Construction

Description
Transcription Services

Excludes
Excludes: Court Reporting (PSC R606); Stenographic (PSC R609)

Possible NAICS Codes
541930 – Translation and Interpretation Services
561410 – Document Preparation Services
561492 – Court Reporting and Stenotype Services
561320 – Temporary Help Services
561210 – Facilities Support Services
541199 – All Other Legal Services
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

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
Personal Services Contracts

Possible NAICS Codes
812990 – All Other Personal Services
541990 – All Other Professional, Scientific, and Technical Services
928120 – International Affairs
541611 – Administrative Management and General Management Consulting Services
541519 – Other Computer Related Services
921190 – Other General Government Support
541690 – Other Scientific and Technical Consulting Services
561210 – Facilities Support Services
561320 – Temporary Help Services
561990 – All Other Support Services

Description
Credit Reporting Services

Possible NAICS Codes
561450 – Credit Bureaus
541219 – Other Accounting Services
541990 – All Other Professional, Scientific, and Technical Services
541199 – All Other Legal Services
561611 – Investigation and Personal Background Check 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
Equipment and Materials Testing: Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment

Possible NAICS Codes
513210 – Software Publishers
541519 – Other Computer Related Services
541512 – Computer Systems Design Services
334111 – Electronic Computer Manufacturing
541511 – Custom Computer Programming Services
811210 – Electronic and Precision Equipment Repair and Maintenance
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541199 – All Other Legal Services