SYSTEM DYNAMICS INTERNATIONAL INCORPORATED (AL)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY1997
- $98.51M
- $98,509,986under this UEI
- FY2026 obligations
- $3K†
- $3,000Provisional
- Awards and orders
- 31
- with positive net obligations15 IDV vehicles held
- Latest action
- Oct 16, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 6, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- May 2, 1979 (47 years)
- Location
- Huntsville, AL
- State of incorporation
- Florida
- Purpose of registration
- All Awards
- Website
- sdi-inc.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 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 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI C29UM75EDGH2. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY1997. 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: $3,000 (provisional)
- FY2025: $2,558,532
- FY2024: $6,550,775
- FY2023: $7,495,379
- FY2022: $7,975,289
- FY2021: $6,545,824
- FY2020: $6,360,054
- FY2019: $2,402,211
Show all 24 yearsEarlier years (FY2003–FY2018)
- FY2018: $1,950,987
- FY2017: $1,917,832
- FY2016: $337,798
- FY2015: -$25,325 (de-obligation)
- FY2014: $138,590
- FY2013: $400,700
- FY2012: -$215,451 (de-obligation)
- FY2011: $274,387
- FY2010: $827,580
- FY2009: $1,621,374
- FY2008: $8,403,919
- FY2007: $16,280,723
- FY2006: $8,895,567
- FY2005: $8,120,245
- FY2004: $5,948,619
- FY2003: $3,741,377
Total across 24 fiscal years: $98,509,986
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$97,840,423, 99.3%
- Department of Commerce$664,343, 0.7%
- General Services Administration$5,220, <0.1%
Top awarding sub-agencies
- Department of the Army$62,085,484, 63.0%
- Department of the Air Force$35,764,572, 36.3%
- National Oceanic and Atmospheric Administration$664,343, 0.7%
- Federal Acquisition Service$5,000, <0.1%
- Department of the Navy$3,001, <0.1%
Top NAICS by obligations
- 541512Computer systems design services$48,665,850, 49.4%
- 488190Other support activities for air transportation$30,416,167, 30.9%
- 541990All other professional, scientific, and technical services$7,752,817, 7.9%
- 541330Engineering services$6,566,098, 6.7%
Top product and service codes by obligations
- AD23Services (advanced)$48,665,850, 49.4%
- H915Other qc/test/inspect- aircraft and airframe structural components$24,624,846, 25.0%
- L069Technical representative- training aids and devices$7,752,817, 7.9%
- U099Education/training- other$5,791,320, 5.9%
- R410Support- professional: program evaluation/review/development$4,187,236, 4.3%
Capabilities
NAICS codes
- 488190Other Support Activities for Air Transportation(primary)Small
- 541614Process, Physical Distribution, and Logistics Consulting ServicesSmall
- 561210Facilities Support ServicesSmall
- 541420Industrial Design Services
- 541513Computer Facilities Management ServicesSmall
- 611710Educational Support ServicesSmall
Show all 25 NAICS codes19 more NAICS codes
- 481219Other Nonscheduled Air TransportationSmall
- 541330Engineering Services
- 561621Security Systems Services (except Locksmiths)Small
- 541512Computer Systems Design ServicesSmall
- 541511Custom Computer Programming ServicesSmall
- 541219Other Accounting ServicesSmall
- 541519Information Technology Value Added Resellers
- 561990All Other Support Services
- 611512Flight TrainingSmall
- 541715Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts
- 488111Air Traffic ControlSmall
- 541690Other Scientific and Technical Consulting ServicesSmall
- 488119Other Airport OperationsSmall
- 541611Administrative Management and General Management Consulting ServicesSmall
- 541380Testing Laboratories and ServicesSmall
- 541720Research and Development in the Social Sciences and HumanitiesSmall
- 611430Professional and Management Development Training
- 611310Colleges, Universities, and Professional SchoolsSmall
- 541990All Other Professional, Scientific, and Technical ServicesSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
- SBA-Certified Women-Owned Small Business
Business types self-reported in SAM.gov registration:
- Women-Owned Business
- Women-Owned Small Business
Federal Capability Statement
SDI is a Woman Owned Small Business (WOSB) that provides services to the Department of Defense with a focus on manned and unmanned aviation training, simulation, operations, maintenance, and logistics both CONUS and around the globe.
Capabilities & Services
Contracts
Latest awards and orders
- 47QRCA26DSG56Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA24DW130Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRAA23D0017Federal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- FA862020C2001Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- N0017825D7871Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- HQ085926FF043Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseMissile Defense AgencyLatest action
- W58RGZ21D0062Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- N0042122D0056Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- HQ085926DE883Indefinite delivery contract (IDC)VehicleDepartment of DefenseMissile Defense AgencyLatest action
- W911QY25F1002Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for SYSTEM DYNAMICS INTERNATIONAL INCORPORATED 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
560 DISCOVERY DR NW
HUNTSVILLE, AL, 35806
USA
Mailing Address
560 Discovery Dr.
HUNTSVILLE, AL, 35806
USA
Government Business Contact
Steven Coombs
Vice President, Operations
560 Discovery Drive
Huntsville, AL, 35806
USA
Electronic Business Contact
Rawan Alansi
Director, Finance and Accounting
560 Discovery Drive
Huntsville, AL, 35806
USA
Past Performance Contact
Dana S Cantrell
Vice President of Business Operations
560 Discovery Drive
Huntsville, AL, 35806
USA
Government Business Alternate Contact
Dana S Cantrell
Vice President of Business Operations
560 Discovery Drive
Huntsville, AL, 35806
USA
Electronic Business Alternate Contact
Dana S Cantrell
Vice President of Business Operations
560 Discovery Drive
Huntsville, AL, 35806
USA
Past Performance Alternate Contact
Steven Coombs
Vice President of Business Development
560 Discovery Drive
Huntsville, AL, 35806
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 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
Not registered for disaster relief
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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