Keystone Synergistic Enterprises, LLC

Part of Open Additive, LLC

UEI
PKMKULB388Z4
CAGE
3FDH7
Primary NAICS
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
SAM.gov registration
Expired

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Limited Liability Company
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Corporate family
  • Open Additive, LLC Parent L91RCLERFSL7
    • Keystone Synergistic Enterprises, LLC PKMKULB388Z4
SAM.gov registration date
Website
arctos-us.com
Founded
1961
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Industrials
  2. Capital Goods
  3. Aerospace & Defense
SIC code
37 Transportation Equipment
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Keystone Synergistic Enterprises, LLC's 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Digital engineering for condition based maintenance Contract · FA864922P0595 Air Force Research Laboratory $0
In-situ dimensional and macro surface defect mitigatioin in wire-FED additive manufacturing processes Contract · 80NSSC20C0663 Shared Services Center $124,862
Rapid sustainment office, keystone technologies, phase II small business innovation research contract award Contract · FA868420C1022 Air Force $1,496,741
Mddm of NASA HR-1 and JBK-75 materials, heat treatment characterization and testing and nozzle machining Contract · 80NSSC20C0064 Shared Services Center $219,045
Advanced digital inspection for insertion Contract · FA864920P0929 Air Force Research Laboratory $49,867

About Keystone Synergistic Enterprises, LLC

Keystone Synergistic Enterprises, LLC specializes in aerospace, defense, and digital solutions, providing technology solutions and engineering services for aerospace, defense, and digital applications. Through past prime federal contract awards, Keystone Synergistic Enterprises has provided research services related to integrally bladed rotors and digital engineering services to support condition based maintenance for aircraft components on behalf of the Department of the Air Force and Air Force Materiel Command Research Laboratory. Additional services include Phase II SBIR research and development supporting the Rapid Sustainment Office, research and testing services for specialized materials, and advanced digital inspection capabilities. These contracts have been designated as Total Small Business set-asides. Keystone has also partnered as a subcontractor to provide metal additive manufacturing and machining for combustion chambers and nozzles for the National Aeronautics and Space Administration.

Contract vehicles

SBA capabilities narrative

Keystone is an applied research and development company with emphasis on new metal working and manufacturing processes to enhance affordability and product throughput. Keystone also supports customers rapid prototyping, reverse engineering, and optimizing designs for additive manufacturing. Keystone has capacity to produce over 40 tons of large format additive manufactured components up to 8 foot by 8 foot by 8 foot in size. Larger sizes are possible with reconfiguration of our production cells.

Quick answers

What is Keystone Synergistic Enterprises, LLC's UEI?

Keystone Synergistic Enterprises, LLC's Unique Entity ID (UEI) in SAM.gov is PKMKULB388Z4.

What is Keystone Synergistic Enterprises, LLC's CAGE code?

Keystone Synergistic Enterprises, LLC's CAGE code is 3FDH7.

What is Keystone Synergistic Enterprises, LLC's primary NAICS code?

Keystone Synergistic Enterprises, LLC's primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).

Is Keystone Synergistic Enterprises, LLC registered in SAM.gov?

Keystone Synergistic Enterprises, LLC's SAM.gov registration expired on October 3, 2025.

Who is Keystone Synergistic Enterprises, LLC's parent company?

Keystone Synergistic Enterprises, LLC is part of Open Additive, LLC.

Which contract vehicles does Keystone Synergistic Enterprises, LLC hold?

Keystone Synergistic Enterprises, LLC holds a place on 1 federal contract vehicle: Seaport-NXG.

What is Keystone Synergistic Enterprises, LLC's most recent federal award?

Keystone Synergistic Enterprises, LLC's most recent federal contract award is Digital engineering for condition based maintenance (FA864922P0595), from Air Force Research Laboratory, on March 25, 2022.

On GovTribe

See Keystone Synergistic Enterprises, LLC's full federal record

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  • Funding analysis by agency, NAICS and set-aside
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