The following Product Service Codes (PSCs) are commonly associated with NAICS 921110, Executive Offices

PSC R499 Support—Professional: Other

Services

PSC Q301 Reference Laboratory Testing

Services
Federal Category 10.3: Medical Healthcare Services

Includes
All services performed in a reference laboratory. Services can be comprehensive or specific and generally include the following: blood counts, coagulation, clinical biochemistry, histopathology, cytopathology, molecular diagnostics, genetic testing, drug testing, etc.

Excludes
Hematology/Oncology (Q508), Services of a Pathologist, Laboratory Technician or Technologist (Q515), equipment (6632 or 6640), and reagents and test kits (6550).

Possible NAICS Codes
621511 – Medical Laboratories
541380 – Testing Laboratories and Services
334516 – Analytical Laboratory Instrument Manufacturing
561320 – Temporary Help Services
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
325413 – In-Vitro Diagnostic Substance Manufacturing
541990 – All Other Professional, Scientific, and Technical Services

PSC X1LZ Lease/Rental of Parking Facilities

Services

PSC 4910 Motor Vehicle Maintenance and Repair Shop Specialized Equipment

Products
Federal Category 5.1: Industrial Products & Services Machinery & Components

Includes
Automotive Lifts; Wheel Aligners; Brake Service Equipment; Tire Maintenance and Repair Equipment; Test stands and test equipment specially designed for use with motor vehicles.

Excludes
Hand Tools (FSG 51); Lubrication and Fuel Dispensing Equipment (FSC 4930); Basic types of electrical and electronic test instruments, including those specifically designed, such as ammeters, voltmeters, ohmmeters, multimeters, and similar instruments as shown in the indexes in the FSC (FSC 6625).

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
334419 – Other Electronic Component Manufacturing
333618 – Other Engine Equipment Manufacturing
444110 – Home Centers
334514 – Totalizing Fluid Meter and Counting Device Manufacturing
811111 – General Automotive Repair
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
332510 – Hardware Manufacturing

PSC 6640 Laboratory Equipment and Supplies

Products
Federal Category 5.4: Industrial Products & Services Test & Measurement Supplies

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

PSC 7830 Recreational and Gymnastic Equipment

Products
Federal Category 16.2: Miscellaneous S&E S&E Not Classifed Elsewhere

PSC R408 Support—Professional: Program Management/Support

Services
Federal Category 2.3: Professional Services Management Advisory 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