Modus21, LLC
North Charleston, SC Part of Modus21 Holding, Inc.
- UEI
- NRWXUT79D2E6
- CAGE
- 35AK1
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
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- 541330 Engineering Services Primary
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541513 Computer Facilities Management Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541614 Process, Physical Distribution, and Logistics Consulting Services
- 541618 Other Management Consulting Services
- Corporate family
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Modus21 Holding, Inc.
Parent
S5MAZJZEADT2
- Modus21, LLC NRWXUT79D2E6
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Modus21 Holding, Inc.
Parent
S5MAZJZEADT2
- SAM.gov registration date
- Physical address
- 1362 McMillan Ave #100, North Charleston, SC 29405, USA
- Website
- modus21.com
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
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- Information Technology
- Software & Services
- Internet Software & Services
- SIC code
- 73 Business Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Cloud engineering, transition and modernization technical support | Naval Information Warfare Systems Command | $5,855,374 | |
| DC2HS and ES department information technology support | Naval Information Warfare Systems Command | $56,100,873 | |
| Iwrp process improvement | Naval Information Warfare Systems Command | $126,512 | |
| The niwc atlantic terrestrial collections/identity operations (tcio) integrated product team (IPT) requires support with… | Naval Information Warfare Systems Command | $10,188,315 | |
| Statement of work (SOW) automation | Naval Information Warfare Systems Command | $99,904 |
About Modus21, LLC
Modus21, LLC is a Charleston, South Carolina-based small business that specializes in providing systems engineering, software support, process improvement, and technical consulting services to the Department of the Navy and other federal defense organizations. As a limited liability corporation registered in SAM.gov since January 2005, Modus21 has established itself as a capable contractor within the defense technology sector, with particular expertise in cloud infrastructure modernization, information technology support, and naval systems engineering. The company operates as a prime contractor on multiple significant federal contracts and serves as a subcontractor on various Department of Defense initiatives.
Modus21's prime federal contract portfolio demonstrates substantial engagement with naval commands and the Marine Corps across multiple service delivery areas. The company holds two major delivery orders under the Seaport Next Generation (Seaport-NXG) vehicle awarded in 2025: a $44.2 million contract with the U.S. Marine Corps for cloud engineering, transition, and modernization technical support (cost-plus-fixed-fee, Total Small Business set-aside, completion August 2030), and a $215.1 million delivery order from Naval Information Warfare Systems Command for Department of Information Technology Support services (cost-plus-fixed-fee, no set-aside, completion May 2030). Additionally, Modus21 holds an $18.1 million delivery order from NIWC Atlantic for software support and systems engineering services supporting the Marine Corps Systems Command's Terrestrial Collections/Identity Operations Integrated Product Team (cost-plus-fixed-fee, Total Small Business set-aside, completion November 2028). The company has also received multiple smaller task orders and other transaction orders from NIWC Atlantic, including a $126,512.40 other transaction order for Integrated Water Resource Program process improvement services (completion March 2025) and a $99,904.06 order for statement of work automation services (completed September 2023). As a subcontractor, Modus21 has supported prime contractors including Nakupuna Consulting LLC and Nakupuna Solutions LLC on health information technology rationalization and modernization efforts, serverless analysis and prototype development, cybersecurity initiatives, and infrastructure support services, as well as Sev1Tech LLC on Navy research, development, and acquisition information systems design and implementation.
Modus21 holds an Other Transaction Indefinite Delivery Vehicle valued at $786,685.66 awarded by Naval Information Warfare Systems Command in September 2021 for Integrated Water Resource Program process improvement services, with performance extending through September 2024. Under this IDV, which is not associated with a set-aside designation, NIWC Atlantic has issued four task orders totaling $481,734.06, ranging from $72,292.80 to $198,805.20, to support process analysis and enhancement of the Command's water resource management programs. These task orders have included statement of work automation and various process improvement initiatives, all performed in Charleston, South Carolina. This IDV represents a sustained engagement with NIWC Atlantic focused on optimizing the Command's operational processes through specialized consulting and engineering expertise.
Contract vehicles
SBA capabilities narrative
Modus21 is a small business that provides architecture and software development services. We specialize in Service Oriented Architecture, Business Process Management, Business Process Analysis, PLCS, Data Modeling, etc.
Quick answers
What is Modus21, LLC's UEI?
Modus21, LLC's Unique Entity ID (UEI) in SAM.gov is NRWXUT79D2E6.
What is Modus21, LLC's CAGE code?
Modus21, LLC's CAGE code is 35AK1.
What is Modus21, LLC's primary NAICS code?
Modus21, LLC's primary NAICS code is 541330 (Engineering Services).
Where is Modus21, LLC located?
Modus21, LLC's physical address in SAM.gov is 1362 McMillan Ave #100, North Charleston, SC 29405, USA.
Is Modus21, LLC registered in SAM.gov?
Yes. Modus21, LLC's SAM.gov registration is active through February 5, 2027.
Who is Modus21, LLC's parent company?
Modus21, LLC is part of Modus21 Holding, Inc.
Which contract vehicles does Modus21, LLC hold?
Modus21, LLC holds a place on 4 federal contract vehicles, including IT-70, MAS and Seaport-NXG.
What is Modus21, LLC's most recent federal award?
Modus21, LLC's most recent federal contract award is Cloud engineering, transition and modernization technical support (N6523625F3021), from Naval Information Warfare Systems Command, on August 18, 2025.
On GovTribe
See Modus21, LLC's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors