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Engineering Services

Engineering Under the Professional Services Schedule

Get Help To Obtain a GSA Schedule for PES


If your company provides engineering related solutions to the federal government, you may want to consider obtaining a GSA Professional Services Schedule (PSS) Contract. The PSS Contract contains a subset of services classified as Professional Engineering Services (PES).

GSA Schedule Sales Under PES

The GSA Professional Services Schedule can be used to sell to any U.S. federal buyer. In fiscal year 2018, companies took in over $2 billion in sales through PES subcategories on the GSA Professional Services Schedule.

What Type of Services Qualify for PES?

The Brooks Act and Davis-Bacon Act limit the types of services that can be placed on the GSA Schedule. While construction management support is allowed on the GSA Schedule, architecture-engineering (view the definition in the Federal Acquisition Regulation here) and construction services are strictly prohibited.

PES offerings under the GSA Schedule include a range of chemical, mechanical, electrical, and aerospace engineering related services. GSA PES subcategories even allow companies to provide Space Launch Integrated Services to work with Launch Services Providers on behalf of government agencies.

View the list below of PES subcategories, known as Special Item Numbers (SINs), to find out what type of engineering services are allowed under the GSA Schedule Contract. Click on the SIN number to read a full description of the SIN on GSA’s eLibrary website, and see a listing of companies that currently offer services through that SIN.

SIN#              SIN Name

SIN # SIN Name
871 1 Strategic Planning for Technology Programs
871 2 Concept Development & Requirements Analysis
871 3 System Design, Engineering, Integration
871 4 Test and Evaluation
871 5 Integrated Logistics Support
871 6 Acquisition & Life Cycle Management
871 7 Construction Management

Get Help Obtaining a GSA Schedule for PES Offerings

Federal Schedules, Inc. has been helping companies obtain and manage their GSA Schedule Contracts since 1986. We can help you through each step of the process – from determining if the GSA Schedule is right for your business, to proposal development, GSA Schedule Contract award, and post-award management. For more information, see GSA Schedule Proposal Helpcontact us, or call us at 703-709-8700 for a quote.

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