ADDX CORPORATION (VA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $384.10M
- $384,099,351under this UEI
- FY2026 obligations
- $13.32M†
- $13,318,881Provisional
- Awards and orders
- 229
- with positive net obligations37 IDV vehicles held
- Latest action
- Oct 20, 2026
- SAM.gov registration
- Active
- Registration expiration date Aug 6, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Feb 7, 2002 (24 years)
- Location
- Alexandria, VA
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- addxcorp.com
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 25, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI T4QLGX92KC66. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $13,318,881 (provisional)
- FY2025: $11,211,389
- FY2024: $11,760,991
- FY2023: $11,893,383
- FY2022: $19,779,150
- FY2021: $15,691,568
- FY2020: $22,668,077
- FY2019: $15,907,450
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $24,002,083
- FY2017: $31,223,305
- FY2016: $35,354,089
- FY2015: $32,085,808
- FY2014: $28,990,323
- FY2013: $29,023,334
- FY2012: $20,612,547
- FY2011: $18,533,286
- FY2010: $17,742,586
- FY2009: $12,420,289
- FY2008: $11,880,812
Total across 19 fiscal years: $384,099,351
Top awarding agencies
- Department of Defense$124,598,209, 32.4%
- Department of Commerce$94,314,211, 24.6%
- Department of Homeland Security$53,226,015, 13.9%
- Department of Veterans Affairs$41,439,634, 10.8%
- Department of Energy$27,141,726, 7.1%
Top awarding sub-agencies
- U.S. Patent and Trademark Office$94,204,374, 24.5%
- Department of the Air Force$84,633,545, 22.0%
- U.S. Coast Guard$43,696,548, 11.4%
- Department of Veterans Affairs$41,439,634, 10.8%
- Department of Energy$27,141,726, 7.1%
Top NAICS by obligations
- 541330Engineering services$115,449,455, 30.1%
- 541611Administrative management and general management consulting services$110,877,413, 28.9%
- 541511Custom computer programming services$78,984,051, 20.6%
- 541519Other computer related services$24,533,641, 6.4%
- 518210Data processing, hosting, and related services$23,401,489, 6.1%
Top product and service codes by obligations
- R499Support- professional: other$120,893,744, 31.5%
- R425Support- professional: engineering/technical$85,771,738, 22.3%
- R699Support- administrative: other$36,298,433, 9.5%
- R408Support- professional: program management/support$32,361,359, 8.4%
- D308IT and telecom- programming$31,721,868, 8.3%
Capabilities
NAICS codes
- 541330Engineering Services(primary)
- 518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related ServicesSmall
- 522320Financial Transactions Processing, Reserve, and Clearinghouse ActivitiesSmall
- 523160Commodity Contracts IntermediationSmall
- 541219Other Accounting ServicesSmall
- 541360Geophysical Surveying and Mapping ServicesSmall
Show all 34 NAICS codes28 more NAICS codes
- 541380Testing Laboratories and ServicesSmall
- 541511Custom Computer Programming ServicesSmall
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541519Other Computer Related Services
- 541611Administrative Management and General Management Consulting ServicesSmall
- 541612Human Resources Consulting ServicesSmall
- 541613Marketing Consulting ServicesSmall
- 541614Process, Physical Distribution, and Logistics Consulting ServicesSmall
- 541618Other Management Consulting ServicesSmall
- 541620Environmental Consulting ServicesSmall
- 541690Other Scientific and Technical Consulting ServicesSmall
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541720Research and Development in the Social Sciences and HumanitiesSmall
- 541990All Other Professional, Scientific, and Technical ServicesSmall
- 561110Office Administrative ServicesSmall
- 561210Facilities Support ServicesSmall
- 561320Temporary Help ServicesSmall
- 561410Document Preparation ServicesSmall
- 561421Telephone Answering ServicesSmall
- 561431Private Mail CentersSmall
- 561611Investigation and Personal Background Check ServicesSmall
- 561612Security Guards and Patrol ServicesSmall
- 561920Convention and Trade Show OrganizersSmall
- 611420Computer TrainingSmall
- 611430Professional and Management Development TrainingSmall
- 611519Other Technical and Trade Schools
- 811210Electronic and Precision Equipment Repair and MaintenanceSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Veteran-Owned Business
- Service-Disabled Veteran-Owned Business
Federal Capability Statement
ADDX delivers the solutions that help our customers modernize, optimize, and transform the way they execute their missions. We are passionate about helping make a difference in the critical areas: AI/ML, cloud, cyber, data analytics, logistics, networking, and training. Drawing from our expertise in engineering, technology, and mission support capabilities, we help our civilian, national security, and space customers improve outcomes, increase efficiency, and decrease costs.
Capabilities & Services
Contracts
Latest awards and orders
- 47QTCA26D0003Federal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA24DV056Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA25DS070Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- GS35F0431XFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 693KA925F00096BPA callunder a blanket purchase agreement (BPA)Department of TransportationFederal Aviation AdministrationLatest action
- DOC45PAPT1700191BPA callunder a blanket purchase agreement (BPA)Department of CommerceUs Patent and Trademark OfficeLatest action
- HQ085926DG243Indefinite delivery contract (IDC)VehicleDepartment of DefenseMissile Defense AgencyLatest action
- FA830725FB042Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the Air ForceLatest action
- HQ085926FF811Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseMissile Defense AgencyLatest action
- FA865623DA026Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the Air ForceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for ADDX CORPORATION lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
4825 MARK CENTER DR
SUITE 300
ALEXANDRIA, VA, 22311
USA
Mailing Address
4825 MARK CENTER DR
SUITE 300
ALEXANDRIA, VA, 22311
USA
Government Business Contact
William Millward
President & CEO
4825 Mark Center Drive
SUITE 300
ALEXANDRIA, VA, 22311
USA
Electronic Business Contact
Sarah Millward
Vice President Finance and Accounting
4825 Mark Center Drive
SUITE 300
ALEXANDRIA, VA, 22311
USA
Past Performance Contact
John Millward
COO
4825 Mark Center Drive
SUITE 300
ALEXANDRIA, VA, 22311
USA
Government Business Alternate Contact
John Millward
COO
4825 Mark Center Drive
SUITE 300
ALEXANDRIA, VA, 22311
USA
Electronic Business Alternate Contact
Sarah Millward
Vice President Finance and Accounting
4825 MARK CENTER DRIVE STE 300
ALEXANDRIA, VA, 22311
USA
Past Performance Alternate Contact
John Millward
COO
4825 Mark Center Drive
SUITE 300
ALEXANDRIA, VA, 22311
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
ADDX CORPORATION has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 6, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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