DUFFIELD ASSOCIATES, LLC (DE)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $2.31M
- $2,310,128under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 22
- with positive net obligations1 IDV vehicle held
- Latest action
- Jun 28, 2017
- SAM.gov registration
- Inactive
- Registration expiration date Jan 20, 2023
Registration
- Doing business as
- DUFFIELD
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Dec 7, 1976 (49 years)
- Location
- Wilmington, DE
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- duffnet.com
† FY2026 obligations (provisional; DoD awards signed after Jul 29, 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 29, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI GHD6MNHLHJQ5. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2009. 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
- FY2017: -$3,262 (de-obligation)
- FY2015: $9,321
- FY2014: $491,010
- FY2013: $191,047
- FY2012: $945,681
- FY2011: $326,706
- FY2010: $87,396
- FY2009: $262,229
Total across 8 fiscal years: $2,310,128
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$2,310,128, 100%
Top awarding sub-agencies
- Department of the Army$2,310,128, 100%
Top NAICS by obligations
- 541330Engineering services$2,226,559, 96.4%
- 541620Environmental consulting services$50,624, 2.2%
- 561492Court reporting and stenotype services$32,945, 1.4%
Top product and service codes by obligations
- C211Architect and engineering- general: landscaping, interior layout, and designing$1,783,400, 77.2%
- B599Other special studies and analyses$222,309, 9.6%
- C219Architect and engineering- general: other$169,850, 7.4%
- C1PZArchitect and engineering- construction: other non-building facilities$51,000, 2.2%
- B510Study/environmental assessments$50,624, 2.2%
Capabilities
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Self Certified Small Disadvantaged Business
Product and service codes (PSC)
- AG34R&D- ENERGY: GEOTHERMAL (ENGINEERING DEVELOPMENT)
- AG35R&D- ENERGY: GEOTHERMAL (OPERATIONAL SYSTEMS DEVELOPMENT)
- B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS
- B519SPECIAL STUDIES/ANALYSIS- GEOTECHNICAL
- B525SPECIAL STUDIES/ANALYSIS- NATURAL RESOURCE
- B532SPECIAL STUDIES/ANALYSIS- SOIL
- C1DAARCHITECT AND ENGINEERING- CONSTRUCTION: HOSPITALS AND INFIRMARIES
- C1KFARCHITECT AND ENGINEERING- CONSTRUCTION: DREDGING FACILITIES
Contracts
Latest awards and orders
- 0012Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0016Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W912BU11D0005Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- 0013Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0015Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0014Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0011Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0010Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0007Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0009Delivery 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 DUFFIELD ASSOCIATES, LLC lists a physical address and a separate mailing address, along with 4 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
5400 Limestone Rd
Wilmington, DE, 19808
USA
Mailing Address
5400 LIMESTONE ROAD
WILMINGTON, DE, 19808
USA
Government Business Contact
Deirdre Smith
Chief Operating Officer
5400 LIMESTONE ROAD
WILMINGTON, DE, 19808
USA
Electronic Business Contact
Kim McFarlane
5400 LIMESTONE RD.
WILMINGTON, DE, 19808
USA
Past Performance Contact
GUY MARCOZZI
5400 LIMESTONE ROAD
WILMINGTON, DE, 19808
USA
Past Performance Alternate Contact
W. HANK STACK
5400 LIMESTONE RD.
WILMINGTON, DE, 19808
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
DUFFIELD ASSOCIATES, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 20, 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
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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