Orbital Sciences Llc (MD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $1.15B
- $1,149,757,040under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 17
- with positive net obligations2 IDV vehicles held
- Latest action
- Jul 2, 2024
- SAM.gov registration
- Inactive
- Registration expiration date Dec 2, 2023
Registration
- Doing business as
- Technical Services Division
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jun 30, 1987 (39 years)
- Location
- Greenbelt, MD
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 24, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI C951ZMPKKWM4. 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
- FY2024: -$3,683 (de-obligation)
- FY2022: $44,650,965
- FY2021: $150,932,395
- FY2020: $150,117,972
- FY2019: $125,361,582
- FY2018: $97,112,214
- FY2017: $93,788,505
- FY2016: $90,824,416
Show all 16 yearsEarlier years (FY2008–FY2015)
- FY2015: $100,787,905
- FY2014: $69,678,027
- FY2013: $64,040,044
- FY2012: $57,894,170
- FY2011: $60,020,386
- FY2010: $22,810,131
- FY2009: $10,075,841
- FY2008: $11,666,171
Total across 16 fiscal years: $1,149,757,040
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- National Aeronautics and Space Administration$898,353,946, 78.1%
- Department of Defense$239,703,565, 20.8%
- Department of Energy$11,699,529, 1.0%
Top awarding sub-agencies
- National Aeronautics and Space Administration$898,353,946, 78.1%
- Department of the Navy$239,191,539, 20.8%
- Department of Energy$11,699,529, 1.0%
- Department of the Air Force$515,988, <0.1%
Top NAICS by obligations
- 541330Engineering services$910,516,839, 79.2%
Top product and service codes by obligations
- AR21R&d- space: science/applications (basic research)$565,827,518, 49.2%
- M1HAOperation of government-owned contractor-operated (GOCO) r&d facilities$210,176,050, 18.3%
- C223Architect and engineering- general: mechanical systems$121,903,107, 10.6%
- AR13R&d- space: aeronautics/space technology (advanced development)$120,097,043, 10.4%
- AJ43R&d- general science/technology: engineering (advanced development)$96,477,322, 8.4%
Capabilities
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- DENE0000115Definitive contractDepartment of EnergyLatest action
- 80GSFC19C0060Definitive contractNational Aeronautics and Space AdministrationLatest action
- FA862008C4016Definitive contractDepartment of DefenseDefense Contract Management AgencyLatest action
- N0017310C2026Definitive contractDepartment of DefenseDefense Contract Management AgencyLatest action
- NNG10WA17CDefinitive contractNational Aeronautics and Space AdministrationLatest action
- NNG16WA70CDefinitive contractNational Aeronautics and Space AdministrationLatest action
- N0017316C2010Definitive contractDepartment of DefenseDepartment of the NavyLatest action
- NNG15WA53CDefinitive contractNational Aeronautics and Space AdministrationLatest action
- 80GSFC19P0028Purchase orderNational Aeronautics and Space AdministrationLatest action
- N0017300C2026Definitive contractDepartment of DefenseDefense Contract Management AgencyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Orbital Sciences Llc 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
7500 Greenway Center Dr Ste 700
Greenbelt, MD, 20770
USA
Mailing Address
7500 Greenway Center Drive
Suite 700
GREENBELT, MD, 20770
USA
Government Business Contact
Helen Ackley
Principal Contract Administrator
45100 Warp Drive
Dulles, VA, 20166
USA
Electronic Business Contact
Mallory Ditsworth
Manager, Contracts Operations
45100 Warp Drive
Dulles, VA, 20166
USA
Past Performance Contact
Steven Mumma
7500 GREENWAY CENTER DR STE 700
GREENBELT, MD, 20770
USA
Government Business Alternate Contact
Steven Mumma
7500 GREENWAY CENTER DR STE 700
GREENBELT, MD, 20770
USA
Electronic Business Alternate Contact
Steven Mumma
7500 GREENWAY CENTER DR STE 700
GREENBELT, MD, 20770
USA
Past Performance Alternate Contact
Steven Mumma
7500 GREENWAY CENTER DR STE 700
GREENBELT, MD, 20770
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
Orbital Sciences Llc has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 2, 2023.
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
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District