PSC B539 — Aeronautic/Space Studies: federal contracts

$12.3Mobligated in FY2025

-26.3%change FY2024→FY2025

2open solicitations

6new awards, last 12 months

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Air Service Implementation Planning Phase 2Navy · NAICS 541611 · Unrestricted (full and open) · Due 16 November 2026
G3 Business, Analytical, and Technical SupportArmy · NAICS 541611 · Unrestricted (full and open) · Due 01 December 2026

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What PSC B539 covers

Description: Aeronautic/Space Studies

Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.

FY2022$17.2M

FY2023$11.9M

FY2024$16.6M

FY2025$12.3M

FY2026*$12.8M

FY2027*$227K

USASpending.gov contract obligations by federal fiscal year of the action. * A year that ended under 120 days ago is still filling in.

Who is winning new PSC B539 work

Contractors ranked by obligations on awards that started FY2024–FY2027 to date.

Contractor	Obligations	Awards
ANALYTICAL MECHANICS ASSOCIATES, INC.	$4.7M	1
NATIONAL ACADEMY OF SCIENCES	$2.0M	3
CALIFORNIA INSTITUTE OF TECHNOLOGY	$1.5M	1
UNIVERSITY OF WASHINGTON	$1.5M	1
TECHNICAL AND PROJECT ENGINEERING, LLC	$1.4M	1
GENERAL DYNAMICS-OTS, INC.	$1.1M	2
UNIVERSITY OF CALIFORNIA SAN DIEGO	$965K	2
LOCKHEED MARTIN CORPORATION	$573K	1
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.	$544K	1
NORTHROP GRUMMAN SYSTEMS CORPORATION	$527K	1

How competitive is PSC B539?

78.7% of obligations on these awards were competed.
40.9% went to small businesses.
The five largest contractors hold 74.9% across 15 contractors.

NAICS codes used on PSC B539 awards

NAICS	Industry	Share
541715	Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)	58.3%
541330	Engineering Services	18.1%
541990	All Other Professional, Scientific, and Technical Services	13.7%
541511	Custom Computer Programming Services	9.3%
518210	Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	0.2%
611710	Educational Support Services	0.1%
927110	Space Research and Technology	0.1%
336411	Aircraft Manufacturing	0.1%

Related PSC codes

R499 Other Professional Services · R425 Engineering and Technical Services · DA01 Business Application/Application Development Support Services (Labor) · R408 Program Management/Support Services · AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · 5999 Miscellaneous Electrical and Electronic Components · 1680 Miscellaneous Aircraft Accessories and Components · AC12 National Defense R&D Services; Department of Defense - Military; Applied Research

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