One Source Environmental, llc (MD)
Registration and award facts
SAM.gov registration as of
Net obligations recorded since FY2013 under this UEI: $23,423 across 1 award or order with positive net obligations.
- Net obligations since FY2013
- $23.42K
- $23,423under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 1
- with positive net obligations
- Latest action
- Nov 20, 2015
- SAM.gov registration
- Inactive
- Registration expiration date May 2, 2018
Registration
- UEI
- P838DW5GCPM3
- CAGE code
- 4WLN5
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Sep 3, 2007 (19 years)
- Location
- Charlotte Hall, MD
- State of incorporation
- Maryland
- Purpose of registration
- All Awards
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Women-Owned Business
NAICS codes
- 541620ENVIRONMENTAL CONSULTING SERVICES(primary)Small
- 541690OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICESSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
Federal contract obligations
Net obligations recorded under this UEI since FY2013. 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
- FY2013: $23,423
Total across 1 fiscal year: $23,423
Top awarding agencies
- Department of Commerce$23,423, 100%
Top awarding sub-agencies
- National Institute of Standards and Technology$23,423, 100%
Top NAICS by obligations
- 541620Environmental consulting services$23,423, 100%
Top product and service codes by obligations
- B533Special studies/analysis- water quality$23,423, 100%
† FY2026 obligations (provisional; DoD awards signed after Jul 23, 2026 are not yet public).
Latest awards and orders
- DOCSB134113SE0230Purchase orderDepartment of CommerceNational Institute of Standards and TechnologyLatest action
Other contractors in Maryland with primary NAICS 541620
- Environmental Management Support, IncSilver Spring, MD
- Haztrain IncWaldorf, MD
- Environmental Research Group, L.L.C.Baltimore, MD
- S.S. Papadopulos & Associates, Inc.Rockville, MD
- Straughan Environmental, Inc.Columbia, MD
- ERG-Terracon JV, L.L.C.Baltimore, MD
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI P838DW5GCPM3. GovChime does not check exclusions.
Key Performance Statistics
View obligations by year, agencies and performance history
Capabilities
NAICS Codes
See all industry codes with contract counts
Product/Service Codes
As of . Source: SAM.gov Goods & Services.
No PSC codes reported
Certifications
Self-Certifications
Business Types
Contracts
Explore federal contract awards with detailed transaction history
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for One Source Environmental, 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
29485 Whalen Rd
Charlotte Hall, MD, 20622
USA
Mailing Address
29485 WHALEN RD
CHARLOTTE HALL, MD, 20622
USA
Government Business Contact
KAREN ALLISON
29485 WHALEN ROAD
CHARLOTTE HALL, MD, 20622
USA
Electronic Business Contact
KAREN ALLISON
29485 WHALEN ROAD
CHARLOTTE HALL, MD, 20622
USA
Past Performance Contact
KAREN ALLISON
29485 WHALEN ROAD
CHARLOTTE HALL, MD, 20622
USA
Government Business Alternate Contact
WILLIAM CIANCAGLINI
4 1ST ST
ANNAPOLIS, MD, 21401
USA
Electronic Business Alternate Contact
BILL CIANCAGLINI
4 1ST ST
ANNAPOLIS, MD, 21401
USA
Past Performance Alternate Contact
BILL CIANCAGLINI
4 1ST ST
ANNAPOLIS, MD, 21401
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
One Source Environmental, llc has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires May 2, 2018.
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.govDate Founded
Initial Registration
Last Update
Registration Activation
Registration Expiration
Fiscal Year End
State of Incorporation
Country of Incorporation
Congressional District