The contractor shall provide all necessary materials, labor, equipment and facilities incidental to the performance of this requirement in accordance with the terms of the order.
Active Awarded Last action
- Contract number
- HQ085926DF358
- Awardee
-
Mainstem LLC UEI SXHHGF88NPK4
- Awarding agency
-
Missile Defense Agency
Department of Defense
- Task orders
- 1 $500 obligated
Award facts
- Opportunity
-
- Missile Defense Agency (MDA) SHIELD Multiple Award IDIQ Contract Pre-Solicitation · HQ085925RE001 · Posted May 21, 2025
- Combined order value
- $500 Current and potential, with all options
- Last date to order 8% complete
- IDV ceiling <1% used
- $151,000,000,000.00
- Maximum order
- $151,000,000,000.00
- Award type
- Multiple award
- Who can order
- Defense agencies
- Contracting staff
- NAICS code
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Set-aside
- No set-aside
- Competition
- Full and Open Competition Negotiated Proposal / Quote
- Pricing
- Firm Fixed Price
- Legislative mandates
-
- Walsh-Healey Public Contracts Act FAR subpart 22.6
- Service Contract Act FAR subpart 22.10
- Employment Eligibility Verification (E-Verify) FAR subpart 22.18
Award details come from SAM.gov/FPDS.
About this IDV
Mainstem LLC, doing business as Blacklynx Services, was awarded a multiple award Indefinite Delivery Indefinite Quantity contract by the Missile Defense Agency on December 29, 2025, with a ceiling value of $151 billion and an ultimate completion date of December 28, 2035. The contract, titled Scalable Homeland Innovative Enterprise Layered Defense (SHIELD), procures an advanced, multi-domain defense system capable of detecting, tracking, intercepting, and neutralizing threats to the United States homeland, deployed forces, allies, and friends. Work areas encompass research and development, prototyping, disruptive technologies, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization efforts addressing threats across all phases of flight from ballistic, hypersonic, and cruise missiles, as well as other advanced aerial attacks. The contract was awarded utilizing full and open competition with no set-asides, allowing all qualified contractors to compete for multiple awards under the IDIQ structure. Individual task and delivery orders will utilize various contract types across multiple North American Industry Classification System codes and may be issued at different classification levels requiring appropriate facility clearances.
The initial delivery order issued under the SHIELD IDIQ contract, also titled Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) Initial Order, carries a ceiling value of $500 and was awarded on December 29, 2025, with performance ending December 28, 2035, utilizing firm fixed-price pricing. Performance will be conducted in Huntsville, Alabama. The contractor shall provide all necessary materials, labor, equipment, and facilities incidental to the performance of the requirement. The contract vehicle is structured to support both classified and unclassified programs across multiple security domains, leveraging advanced technologies including artificial intelligence, machine learning, digital engineering, and open systems architectures to position SHIELD as a comprehensive contracting solution for the nation's multi-layered defense requirements.
Task orders
| Task order | Ordering agency | Obligated | Awarded |
|---|---|---|---|
| Scalable homeland innovative enterprise layered defense (shield) initial order. | Missile Defense Agency | $500 |
Quick answers
Who was awarded contract HQ085926DF358?
HQ085926DF358 was awarded to Mainstem LLC by Missile Defense Agency (Department of Defense) on December 29, 2025.
How much is contract HQ085926DF358 worth?
Orders under HQ085926DF358 have obligated $500. HQ085926DF358's own ceiling is $151,000,000,000. A single order can be worth up to $151,000,000,000.
How many orders have been placed under contract HQ085926DF358?
1 order has been placed under HQ085926DF358, the latest on December 29, 2025.
Who can order from contract HQ085926DF358?
HQ085926DF358 is a multiple award indefinite delivery contract. Defense agencies can place orders on it.
Is contract HQ085926DF358 part of a contract vehicle?
Yes. HQ085926DF358 is part of Scalable Homeland Innovative Enterprise Layered Defense (SHIELD).
Was contract HQ085926DF358 competed?
The extent of competition for HQ085926DF358 was full and open competition.
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