R & B STEEL FABRICATIONS INC (MD)
Registration and award facts
SAM.gov registration as of
Net obligations recorded since FY2016 under this UEI: $35,655 across 4 awards and orders with positive net obligations.
- Net obligations since FY2016
- $35.66K
- $35,655under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 4
- with positive net obligations
- Latest action
- Aug 5, 2020
- SAM.gov registration
- Active
- Registration expiration date Sep 28, 2027
Registration
- UEI
- RYXWLL1LM8M5
- CAGE code
- 1RZE0
- Doing business as
- R & B STEEL FABRICATIONS INC
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- May 10, 1976 (50 years)
- Location
- Potomac, MD
- State of incorporation
- Maryland
- Purpose of registration
- All Awards
- Website
- randbsteelfab.com
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Women-Owned Small Business
- Women-Owned Business
NAICS codes
- 333112Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing(primary)Small
- 423810Construction and Mining (except Oil Well) Machinery and Equipment Merchant WholesalersSmall
- 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceSmall
- 333120Construction Machinery ManufacturingSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
Federal contract obligations
Net obligations recorded under this UEI since FY2016. 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
- FY2020: $15,315
- FY2016: $20,340
Total across 2 fiscal years: $35,655
Top awarding agencies
- Department of Commerce$15,315, 43.0%
- Department of Defense$10,440, 29.3%
- Department of the Interior$9,900, 27.8%
Top awarding sub-agencies
- National Institute of Standards and Technology$15,315, 43.0%
- Department of the Army$10,440, 29.3%
- National Park Service$9,900, 27.8%
Top NAICS by obligations
- 333120Construction machinery manufacturing$15,315, 43.0%
Top product and service codes by obligations
- 3830Truck and tractor attachments$25,215, 70.7%
- 3825Road clearing, cleaning, and marking equipment$10,440, 29.3%
† FY2026 obligations (provisional; DoD awards signed after Jul 23, 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 23, 2026 are not yet public.
Latest awards and orders
- 1333ND20PNB190126Purchase orderDepartment of CommerceNational Institute of Standards and TechnologyLatest action
- W91QV116P0086Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- INP16PX00665Purchase orderDepartment of the InteriorNational Park ServiceLatest action
- INP16PX00664Purchase orderDepartment of the InteriorNational Park ServiceLatest action
Other contractors in Maryland with primary NAICS 333112
- Rice Enterprises, LLCBaltimore, MD
- Wright Manufacturing, IncFrederick, MD
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI RYXWLL1LM8M5. 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
Capabilities & Services
Contracts
Explore federal contract awards with detailed transaction history
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for R & B STEEL FABRICATIONS INC 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
15151 SOUTHLAWN LN
STE A
POTOMAC, MD, 20850
USA
Mailing Address
15151 SOUTHLAWN LANE
ROCKVILLE, MD, 20850
USA
Government Business Contact
DOROTHY J COSTOPOULOS
PRESIDENT
15151 SOUTHLAWN LANE
Rockville, MD, 20850
USA
Electronic Business Contact
DOROTHY J COSTOPOULOS
PRESIDENT
15151 SOUTHLAWN LANE
ROCKVILLE, MD, 20850
USA
Government Business Alternate Contact
DOROTHY J COSTOPOULOS
PRESIDENT
15151 SOUTHLAWN LANE
ROCKVILLE, MD, 20850
USA
Electronic Business Alternate Contact
DOROTHY J COSTOPOULOS
PRESIDENT
15151 SOUTHLAWN LANE
ROCKVILLE, MD, 20850
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
R & B STEEL FABRICATIONS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 28, 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.govDate Founded
Initial Registration
Last Update
Registration Activation
Registration Expiration
Fiscal Year End
State of Incorporation
Country of Incorporation
Congressional District
Entity Website