TJN ENTERPRISES INC (SD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $6.72K
- $6,715under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 4
- with positive net obligations
- Latest action
- Jul 25, 2008
- SAM.gov registration
- Active
- Registration expiration date Jul 9, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jul 1, 1989 (37 years)
- Location
- Sioux Falls, SD
- State of incorporation
- South Dakota
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI EFC2U2BLKNB5. 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
- FY2008: $6,715
Total across 1 fiscal year: $6,715
Top awarding agencies
- Department of Energy$6,000, 89.4%
- Department of Veterans Affairs$715, 10.6%
Top awarding sub-agencies
- Department of Energy$6,000, 89.4%
- Department of Veterans Affairs$715, 10.6%
Top NAICS by obligations
- 238910Site preparation contractors$6,000, 89.4%
Top product and service codes by obligations
- P500Demolition of structures/facilities$6,000, 89.4%
- 4940Misc maint eq$715, 10.6%
Capabilities
NAICS codes
- 423930Recyclable Material Merchant Wholesalers(primary)Small
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Self Certified Small Disadvantaged Business
Contracts
Latest awards and orders
- V438A80057PoDepartment of Veterans AffairsLatest action
- DEAP6508WC79760PoDepartment of EnergyLatest action
- V438A80007PoDepartment of Veterans AffairsLatest action
- V438A80004PoDepartment of Veterans AffairsLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TJN ENTERPRISES 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
6511 E RICE ST
SIOUX FALLS, SD, 57110
USA
Mailing Address
6511 E RICE ST
SIOUX FALLS, SD, 57110
USA
Government Business Contact
KEVIN KOPSAS
6511 E RICE STREET
SIOUX FALLS, SD, 57110
USA
Electronic Business Contact
DAVID BERNSTEIN
6511 E RICE STREET
SIOUX FALLS, SD, 57110
USA
Government Business Alternate Contact
KEVIN KOPSAS
5501 WEST 9TH STREET
SIOUX FALLS, SD, 57107
USA
Electronic Business Alternate Contact
KEVIN KOPSAS
501 WEST 9TH STREET
SIOUX FALLS, SD, 57107
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
TJN ENTERPRISES INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires July 9, 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
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