Archarithms Inc.

Archarithms Inc., doing business as Arcarithm, an SBA-certified HUBZone small business based in Huntsville, Alabama, operates as a prime contractor delivering defense research and development, artificial intelligence, systems engineering, and technical services to the Department of Defense and federal space agencies. The vendor competes predominantly under small-business set-asides on SBIR and STTR programs while also holding a $249 million Blanket Purchase Agreement from the Office of the Secretary of Defense for artificial intelligence test and evaluation services and recently securing seats on two multi-billion-dollar IDIQs—the Missile Defense Agency's $151 billion SHIELD contract (awarded December 2025) and NASA's $20 billion SEWP VI GWAC (awarded November 2026)—both structured as full-and-open or no-set-aside vehicles reflecting the vendor's expanded federal footprint.

The customer base concentrates heavily on defense applied research. The top five funding agencies account for approximately 75% of awards by count but a radically different split by potential value: the Missile Defense Agency dominates award frequency (49 awards, $18.1 million combined potential value) and has anchored Archarithms' prime portfolio since 2013, while the Department of the Air Force's single EWAAC award carries $46 billion in ceiling value and NASA's four awards carry $20 billion. Naval Sea Systems Command (7 awards, $2.8 million), the Army (10 total awards across multiple offices), and the Office of the Secretary of Defense round out the active customer set. This concentration pattern reflects Archarithms' strategic positioning in small-business innovation programs (primarily SBIR Phase I and Phase II contracts) rather than large-scale production or services work.

Archarithms' capability portfolio centers on applied research and development in defense technology areas with concrete named work spanning missile defense interceptor technologies, Space-Based Infrared System (SBIRS) advanced sensor development, lightweight structural metamaterials for rocket motors, adaptive resource allocation algorithms, artificial intelligence for command and control and threat classification, and aircraft survivability against directed-energy weapons. Representative prime contracts include a $1.999 million cost-plus-fixed-fee Missile Defense Agency award (January 2026) for adaptive resource allocation under a total small-business set-aside; a $1.828 million Naval Sea Systems Command SBIR Phase II award (August 2024) for SBIRS High advanced sensor capabilities; a $1.699 million MDA SBIR Phase II contract (March 2022) for an open framework planner with embedded training; and a $1.488 million MDA Phase II award (March 2022) for lightweight structural metamaterials. The vendor also holds a $890 thousand GSA Multiple Award Schedule delivery order from the Headquarters Division for IT integrator and project management office services (awarded May 2022, ultimate completion October 2028), and a $1.2 million MDA contract (June 2023) for tailored metamaterials development under full-and-open competition, demonstrating capability across both set-aside and unrestricted work.

On the GWAC and vehicle front, Archarithms maintains active positions on the NASA SEWP VI multiple-award vehicle ($20 billion ceiling, through October 2036), supporting federal agencies with IT communication and audio-visual solutions; the Missile Defense Agency's SHIELD IDIQ ($151 billion ceiling, through December 2035), structured for multi-domain defense systems, research, prototyping, and systems engineering; the Air Force Eglin Wide Agile Acquisition Contract fourth on-ramp (EWAAC, $46 billion ceiling, through September 2031), where the vendor received a $1,000 delivery order in April 2025; the Office of the Secretary of Defense AI T&E BPA ($249 million ceiling, through January 2027); and the GSA Multiple Award Schedule (nine task orders, approximately $926 thousand). These vehicle positions represent a significant shift toward higher-ceiling vehicles driven by recent awards in late 2025 and early 2026.

Activity has accelerated markedly. The vendor recorded six prime awards in 2022, five in 2023, twenty-one in 2024, fourteen in 2025, and three new awards in the first two weeks of November 2026 (most recent award: November 1, 2026). Combined potential value across all 93 prime and sub awards totals $66.33 billion, though obligated dollars total only $42.7 million—a signature pattern of IDIQ and GWAC ceiling values dominating potential exposure while actual work remains concentrated in smaller definitive contracts and SBIR awards. Within the next twenty-four months, five awards with combined potential value of $7.4 million reach ultimate completion, creating modest recompete exposure relative to the vendor's overall pipeline.

Archarithms operates as a prime on approximately two-thirds of its awards (61 prime, 32 sub) while maintaining active subcontractor relationships with Lockheed Martin, The Boeing Company, Analytical Services Inc., Radiance Technologies, Caci Inc., Blue Halo LLC, General Dynamics Information Technology, and Leidos. Subcontract work focuses on software development and systems engineering support for missile defense, space systems, and aerospace platforms. Across SCI-reportable federal service contracts, the vendor invoiced $336 thousand in FY2022 (on one contract with 1.6 FTEs at approximately $98.68/hr), with subsequent SCI records showing zero prime invoicing in FY2023 and episodic sub-engagement activity growing to 8.5 FTEs by FY2025 as the vendor's sub footprint expanded—reflecting Archarithms' posture as a light-overhead R&D and engineering services provider feeding larger defense primes rather than a dedicated staffing or services vendor. The vendor's GSA Schedule carries 31 labor categories spanning program analysts ($50.13/hr) through executive consultants with PhDs ($248.86/hr), with engineering and technical specialist roles concentrated in the $130–$200/hr band, supporting both GSA MAS delivery orders and potential task orders under the new GWAC vehicles.

software development, modeling and simulation, algorithm development, systems engineering, test and evaluation