National Defense R&D Services: Defense-Related Activities (R&D Facilities & Major Equipment) Government Contracts

PSC AC35 Service code

Code facts

Spend category
Research and Development
Contract obligations
$399,815,981 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 1 notice posted in the last 90 days
Contract awards
11 In the last 12 months
Obligated
$100,967,131 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Office of the Secretary of Defense Department of Defense $50,171,101
2 Department of the Army Department of Defense $34,397,315
3 Department of the Navy Department of Defense $17,310,988
4 Washington Headquarters Service Department of Defense $320,764
5 Defense Threat Reduction Agency Department of Defense $250,000
6 Defense Information Systems Agency Department of Defense $17,397

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Advanced Technology International $48,939,851
2 ECS Federal, LLC $9,481,000
3 Morsecorp, Inc. $9,022,866
4 Expedition Technology, LLC $8,550,000
5 Koniag Emerging Technologies LLC $5,578,398
6 Ausgar Technologies, Inc. $3,484,097
7 Seemann Composites, LLC $3,248,177
8 Armada, LTD. $2,731,475
9 W R Systems LTD. $1,782,971
10 NTI Corporation $1,562,640

Contract opportunities

No notices under PSC AC35 are open now. These are the newest.

Notice Posted Due
Secured Unclassified Network (SUNet) System Legacy Award Notice · ACC Aberdeen Proving Ground —
Aerospace Systems Technical Research & Operations Support Services II (ASTROS II) Pre-Solicitation · Air Force Test Center (AFMC) · FA930027R6000-RFI04
U. S. Army Space and Missile Defense Command Reagan Test Range (RTR) Reagan Test Range Operations, Sustainment, Improvement, and Engineering (ROSIE) Special Notice · ACC Redstone
Aerospace Systems Technical Research & Operations Support Services II (ASTROS II) Pre-Solicitation · Air Force Test Center (AFMC) · FA930027R6000-RFI03
Aerospace Systems Technical Research & Operations Support Services II (ASTROS II) Pre-Solicitation · Air Force Test Center (AFMC) · FA930027R6000-RFI02
Broad Agency Announcement (BAA) Nautilus for Artificial Intelligence (AI) Research and Development (R&D) Award Notice · ACC Aberdeen Proving Ground —
Aerospace Systems Technical Research & Operations Support Services II (ASTROS II) Pre-Solicitation · Air Force Test Center (AFMC) · FA930027R6000
Kineto Tracking Mount (KTM) Sustainment Contract Award Notice · Naval Air Warfare Center (NAVAIR) —
Aerosol Vapor Chemical Agent Detector (AVCAD) Pre-Solicitation · ACC Aberdeen Proving Ground
Combat Survivor Evader Locator UHF Base Station Support Services Solicitation · Naval Information Warfare Systems Command (Navy)
U. S. Army Space and Missile Defense Command Reagan Test Site (RTS) Operations, Sustainment, Improvement, and Engineering (ROSIE) Follow-On Requirements – RFI Special Notice II Special Notice · ACC Redstone
U. S. Army Space and Missile Defense Command Reagan Test Site (RTS) Operations, Sustainment, Improvement, and Engineering (ROSIE) Follow-On Requirements – RFI Special Notice Special Notice · ACC Redstone
Multi-Material Propeller Prototype Award Notice · Naval Sea Systems Command (Navy) —
Roadmap to Obtaining Your Facility Clearance Special Notice · Defense Threat Reduction Agency —
Optical Clock Pre-Solicitation · Office of Naval Research (SECNAV)
Unmanned Systems Advanced Technology Development Support Solicitation · Naval Sea Systems Command (Navy)
Tradewinds Cybersecurity Assurance Services Award Notice · ACC Aberdeen Proving Ground —
System-Wide Test and Evaluation and Applied Artificial Intelligence/Machine Learning Award Notice · ACC Aberdeen Proving Ground —
RFP, DMEA Building 2 Consulting and Mgmt Support, SOO 25-5A3 Solicitation · Defense Microelectronics Activity
Multi-Material Propeller Prototype (M2P2) Synopsis Pre-Solicitation · Naval Sea Systems Command (Navy)
RFI, DMEA Building 2 Consulting and Mgmt Support, SOO 25-5A3 Pre-Solicitation · Defense Microelectronics Activity
Tradewinds Maven Smart System (MSS) Award Notice · ACC Aberdeen Proving Ground —
Notice of Award: Synthetic Overlay and Integration Capability Novel Extension (SONIC-NEXT) Award Notice · ACC Aberdeen Proving Ground —
User Centered Machine Learning Award Notice · ACC Aberdeen Proving Ground —
B-2A Antennas Sustainment and Manufacturing Capability Program Limited / Sole Source Justification · Defense Microelectronics Activity —
Justification: Deep Space Advanced Radar Capability (DARC) Sites 2 and 3 Limited / Sole Source Justification · Air Force Space Command (USAF) —
Joint Project Manager Chemical Biological Radiological Nuclear Sensors (JPM CBRN Sensors) Independently Qualified and Production Ready Aerosol Vapor Chemical Agent Detector (AVCAD) Survey Pre-Solicitation · ACC Aberdeen Proving Ground
Artificial Intelligence and Machine Learning-Enabling Technologies for Expeditionary Maneuver and Air/Ground Reconnaissance under BAA Topic ID: ARL-BAA-0037 Award Notice · ACC Aberdeen Proving Ground —
Small Scale R&D Electron Beam Melting System Pre-Solicitation · Department of Energy
Defense industrial base consortium Award Notice · Washington Headquarters Service —
NOTICE OF INTENT TO SOLE SOURCE--One (1) Clearpath Robotics A200 Husky Robot Base with additional specifications Solicitation · ACC Aberdeen Proving Ground
Deep Space Advanced Radar Capability (DARC) Sites 2 and 3 Production/Fielding Special Notice · Space and Missile Systems Center (AFSPC)
Synopsis of Award: Modernization of Spark Shadowgraph Range control and data acquisition systems for both large caliber and small caliber facilities. Award Notice · ACC Aberdeen Proving Ground —
Specialized Mobile Communications Services Award Notice · ACC Aberdeen Proving Ground · W911QX23R0021 —
Engineering & Networking Support Services for En-Route Communication Systems Award Notice · ACC Aberdeen Proving Ground · W911QX23R0020 —
Sources Sought Synopsis: Deep Space Advanced Radar Capability (DARC) Sites 2 and 3 Rapid Fielding Pre-Solicitation · Air Force
Kineto tracking mount sustainment and support Solicitation · Naval Air Warfare Center (NAVAIR)
Unmanned Surface Vehicle (USV) Family of Systems (FoS) IDIQ-MAC On-Ramp - N00024-23-R-6316 Solicitation · Naval Sea Systems Command (Navy)
Kineto Tracking Mount (KTM) Sustainment and Support Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Unmanned Surface Vehicle Family of Systems Indefinite Delivery-Indefinite Quantity Pre-Solicitation · Naval Sea Systems Command (Navy) · N00024-23-R-6316 —
Mach 6+ Rig Award Notice · ACC Aberdeen Proving Ground · W911QX23C0008 —
NOTICE OF INTENT TO SOLE SOURCE - Modernization of Spark Shadowgraph Range control and data acquisition systems for both large caliber and small caliber facilities. Pre-Solicitation · ACC Aberdeen Proving Ground
Unmanned Surface Vehicle Family of Systems Indefinite Delivery-Indefinite Quantity Pre-Solicitation · Naval Sea Systems Command (Navy) · N00024-23-R-6316
High Speed Video Camera Special Notice · ACC Aberdeen Proving Ground
Draft: kineto tracking mount sustainment and support Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Synopsis of Award - Heavy Fuel Wankel Rotary Engine Design and Development Award Notice · ACC Aberdeen Proving Ground —
Specialized Mobile Communications Services Award Notice · ACC Aberdeen Proving Ground · W911QX22R0015 —
Mach 6+ Rig Solicitation · ACC Aberdeen Proving Ground · W911QX22R0008
Engineering & Networking Support Services for En-Route Communication Systems Award Notice · ACC Aberdeen Proving Ground · W911QX22R0011 —
NOTICE OF INTENT TO SOLE SOURCE – Heavy Fuel Wankel Rotary Engine Design and Development Pre-Solicitation · ACC Aberdeen Proving Ground
Show 40 more

Latest 50 of 67 listed here. See the rest on GovTribe.

Recent contract awards

Award Awarded Obligated
Sustainment for kineto tracking mount (KTM), including associated subassemblies and subsystems, precision optical… N0042126F1228 · L3Harris Interstate Electronics Corporation · Naval Air Warfare Center (NAVAIR) $80,000
Advance technology development N0016726F0016 · Prescient Edge Corporation · Naval Sea Systems Command (Navy) $500
Combat survivor evader locator ultra high frequency base station (csel UBS) support services. N6600126C0032 · D3 Mission Critical Systems, LLC · Naval Information Warfare Systems Command (Navy) $982,362
Broad agency announcement nautilus artificial intelligence research and development W911QX26CA003 · ECS Federal, LLC · ACC Aberdeen Proving Ground $9,481,000
Prototype project agreement awarded under the defense industrial base consortium other transaction agreement. HQ0034269E010 · Advanced Technology International · Washington Headquarters Service $28,047,365
Integrated commercial intrusion detection system security suite HC102826P0012 · Kcorp Reliance Company, Inc. · Defense Information Systems Agency $17,397
Prototype project agreement awarded under the defense industrial base consortium other transaction agreement. HQ0034269E015 · Advanced Technology International · Washington Headquarters Service $20,892,487
M2P2 task order 2 N0016726F1048 · Seemann Composites, LLC · Naval Sea Systems Command (Navy) $1,000,000
Study to relocate the radio testing range HDTRA126PE002 · LKC Engineering, PLLC · Defense Threat Reduction Agency $250,000
Technical support services for the UK ocean survey program support services as required by FMS case UZ-P-bar N6600126C0014 · TDI Technologies, Inc. · Naval Information Warfare Systems Command (Navy) $1,384,237

Latest 10 of 11 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $102,414,292
FY2025 $399,815,981
FY2024 $209,696,218
FY2023 $60,232,699
Rank NAICS code Obligated, FY2026–FY2027 Share
1 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) $31,406,701
2 541330 Engineering Services $8,175,189
3 541990 All Other Professional, Scientific, and Technical Services $5,578,398
4 336611 Ship Building and Repairing $3,200,020
5 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing $2,654,971
6 334519 Other Measuring and Controlling Device Manufacturing $1,217,108
7 811210 Electronic and Precision Equipment Repair and Maintenance $80,000
8 541512 Computer Systems Design Services $17,397

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 California $34,191,423
2 Virginia $22,821,785
3 Montana $20,892,487
4 Massachusetts $8,989,576
5 Maryland $6,541,038
6 Rhode Island $2,731,475
7 Mississippi $2,552,859
8 Connecticut $1,300,000
9 Hawaii $982,362
10 Arizona $17,397

Shares are of everything obligated under PSC AC35 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC AC35?

PSC AC35 is National Defense R&D Services; Defense-Related Activities; R&D Facilities & Major Equipment, a service code in PSC A, Research and Development.

How many government contracts for national defense R&D services: defense-related activities (R&D facilities & major equipment) are there?

1 notice under PSC AC35 was posted in the last 90 days, and none are open now. Federal agencies awarded 11 contracts under PSC AC35 in the last 12 months, obligating $100,967,131.

How much do federal agencies spend under PSC AC35?

Federal contracts under PSC AC35 obligated $399,815,981 in fiscal year 2025 and $772,159,190 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC AC35?

The contractors with the most obligated under PSC AC35 in fiscal years 2026 and 2027 are Advanced Technology International ($48,939,851); ECS Federal, LLC ($9,481,000); and Morsecorp, Inc. ($9,022,866).

Which agencies buy the most under PSC AC35?

The agencies that obligated the most under PSC AC35 in fiscal years 2026 and 2027 are Office of the Secretary of Defense ($50,171,101), Department of the Army ($34,397,315) and Department of the Navy ($17,310,988).

Which NAICS codes are used with PSC AC35?

The NAICS codes with the most obligated under PSC AC35 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 541330 Engineering Services; and 541990 All Other Professional, Scientific, and Technical Services.

Where is the work under PSC AC35 performed?

By place of performance, the states with the most contract obligations under PSC AC35 over the last 12 months are California ($34,191,423), Virginia ($22,821,785) and Montana ($20,892,487).

What is the latest contract opportunity under PSC AC35?

The latest contract opportunity under PSC AC35 is Secured Unclassified Network (SUNet) System Legacy, award notice from ACC Aberdeen Proving Ground, posted September 2, 2026.

On GovTribe

See everything under PSC AC35

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