Professional Engineering Solutions

GSA’s Federal Acquisition Service (FAS) is improving its professional services schedule offerings. As a first step in this initiative, FAS has consolidated its professional services Multiple Award Schedule offerings into one Professional Services Schedule. The previous Schedule 871, formerly known a Professional Engineering Services, is now part of this new single Professional Services Schedule (PSS).

Professional engineering solutions include a variety of services in multiple engineering disciplines, such as, but not limited to:

  • Mechanical engineering;
  • Electrical engineering;
  • Chemical engineering;
  • Components of civil engineering;
  • Software engineering;
  • Fire protection related to an engineered system;
  • Aerospace engineering;
  • Nuclear engineering;
  • Bio-engineering; and
  • Marine architecture.

Expertise in engineering and construction management, including fire protection related to real property, is also available.

Service Offerings

The various services offered are listed below with their associated Special Item Number (SIN) and links to a list of vetted contractors for each type of service.

A full description of Services covered under each SIN can be found at GSA Schedules eLibrary.

Note: The NAICS code(s) associated with the RFQ must match a NAICS code listed with the Professional Services Schedule. Only one NAICS (dominant) may be used in the resulting task order.


SIN Number
& Link to Contractors
SIN Name
871 1 541330, 541711, 541712 Strategic Planning for Technology Programs/Activities
871 2 541330, 541711, 541712 Concept Development & Requirements Analysis
871 3 541330, 541711, 541712 System Design, Engineering & Integration
871 4 541330, 541711, 541712 Test & Evaluation
871 5 541330, 541711, 541712 Integrated Logistics Support
871 6 541330, 541711, 541712 Acquisition & Life Cycle Management
871 7 236220, 541330 Construction Management and Engineering Consulting Services Related to Real Property
100 01 541890 Introduction of New Services
100 03 541330 Ancillary Supplies and/or Services

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Last Reviewed 2015-12-18