GovChime
UEI: WJZ8KR7KSA33 • CAGE: 3L4M2

ISOTEK SYSTEMS, LLC (TN)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2008
$853.27M
$853,268,216under this UEI
FY2026 obligations
$57.94M
$57,944,772Provisional
Awards and orders
1
with positive net obligations
Latest action
Sep 29, 2026
SAM.gov registration
Active
Registration expiration date Sep 28, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Sep 16, 2002 (24 years)
Location
Oak Ridge, TN
State of incorporation
Tennessee
Purpose of registration
All Awards
Website
atkinsrealis.com

† FY2026 obligations (provisional; DoD awards signed after Aug 17, 2026 are not yet public).

All federal contractors in TennesseeHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI WJZ8KR7KSA33. SAM.gov exclusion records, from its daily extract, are under Additional Details.

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

  • FY2026: $57,944,772 (provisional)
  • FY2025: $54,068,924
  • FY2024: $54,220,295
  • FY2023: $55,695,591
  • FY2022: $55,402,567
  • FY2021: $54,633,150
  • FY2020: $54,710,620
  • FY2019: $51,973,648
Show all 19 years
  • FY2018: $53,014,163
  • FY2017: $40,760,000
  • FY2016: $32,762,603
  • FY2015: $37,644,000
  • FY2014: $38,185,174
  • FY2013: $32,346,193
  • FY2012: $35,861,629
  • FY2011: $22,855,536
  • FY2010: $35,038,241
  • FY2009: $57,582,285
  • FY2008: $28,568,825

Total across 19 fiscal years: $853,268,216

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • Z235Maint-rep-alt/epg - nuclear$853,268,216, 100%

Subcontracting network

Reported subawards of ISOTEK SYSTEMS, LLC: the primes it works under and its subcontractors, as the full chain or as a table.

Standing

No standing to report

GovChime ranks a vendor by net obligations in its largest NAICS code and awarding department in the last completed fiscal year; FPDS records none for this vendor in that year.

Capabilities

SBA certifications

No certification in the SBA profile data.

Product and service codes (PSC)

No product and service codes (PSC) in the SAM.gov registration

PSC codes are optional in SAM.gov; this registration lists none.

Federal Capability Statement

No SBA capability statement

The vendor's SBA small-business profile has no capability narrative or keywords.

Contracts

Latest awards and orders

  1. DEAC0504OR22860Definitive contractDepartment of EnergyLatest action

DLA supply (DIBBS)

CAGE 3L4M2

Source: DLA's approved-source files, its award history files (FOIA reading room, every award line since 2013) and the procurement history in the RFQ documents it publishes on DIBBS.

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for ISOTEK SYSTEMS, 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 without a real name are not shown.

Physical Address

545 Oak Ridge Tpke

Oak Ridge, TN, 37830

USA

Mailing Address

545 Oak Ridge Tpke

Oak Ridge, TN, 37830

USA

Government Business Contact

Tina Klakamp

Insurance & Legal Specialist

545 Oak Ridge Turnpike

Oak Ridge, TN, 37830

USA

Electronic Business Contact

Tina Klakamp

545 Oak Ridge Turnpike

Oak Ridge, TN, 37830

USA

Past Performance Contact

SCOTT BARNES

545 Oak Ridge Turnpike

Oak Ridge, TN, 37830

USA

Electronic Business Alternate Contact

Donna Stringfield

545 Oak Ridge Turnpike

Oak Ridge, TN, 37830

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

ISOTEK SYSTEMS, LLC 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 responses

Suspension/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.gov
Profit Structure:For Profit Organization
Organization:Foreign Owned

Registration Details

Source: SAM.gov

Initial Registration

Nov 3, 2003

Last Update

Oct 9, 2026

Registration Activation

Active — Oct 9, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

03