Consolidated Nuclear Security 401(k) and pension plans

Consolidated Nuclear Security, LLC, Oak Ridge, TN. EIN 45-4482782. Annual reports 2009–2024. Also filed as Babcock & Wilcox Technical Services Y-12, LLC; Babcox & Wilcox Technical Services Y-12, LLC.

Consolidated Nuclear Security, LLC has 2 active retirement plans on file. The largest is the Retirement Program Plan for Employees of Consolidated Nuclear Security, LLC at the U.S. Department of Energy at Oak Ridge, Tennessee, with 10,673 participants and $2.0 billion in assets in 2024.

Active plans
2
Participants
19,132
Plan assets
$3.5 billion
401(k) recordkeeper
Voya
Plans on file
2
Industry
Business services

All 2 plans

Active plans first

Retirement Program Plan for Employees of Consolidated Nuclear Security, LLC at the U.S. Department of Energy at Oak Ridge, Tennessee

Pension (defined benefit)Active

Active. The plan filed its annual report for the 2024 plan year.

Plan number
001Employer EIN 45-4482782
Participants (2024)
10,673
Net assets (2024)
$2.0 billion
Plan administrator
Consolidated Nuclear Security, LLC
P.O. Box 2115
Oak Ridge, TN 37831
(865) 574-1500As filed for 2024
In effect since
November 1, 2000

Plans merged into this one: Wsi Pension Plan for Ees at Oak Ridge, Tenn (2013).

Earlier sponsors: Babcox & Wilcox Technical Services Y-12, LLC (2009–2010); Babcock & Wilcox Technical Services Y-12, LLC (2011–2013).

Earlier plan names: Retirement Program Plan for Employees of Certain Employers at the U.S. Department of Energy Facilities at Oak Ridge, Tennessee; Retirement Program Plan for Employees of Consolidated Nuclear Security,llc at the U.S. Department of Energy Facilities at Oak Ridge, Tenness.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
202410,673$2.0 billionnot listed
202310,988$2.1 billionnot listed
202211,235$2.0 billionnot listed
202111,530$2.7 billionnot listed
202011,890$2.6 billionnot listed
201912,089$2.3 billionnot listed
201812,344$2.0 billionnot listed
201712,627$2.2 billionnot listed
201612,959$2.0 billionnot listed
201513,261$2.0 billionnot listed
201413,668$2.0 billionnot listed
201313,142$1.9 billionnot listed
201214,215$1.7 billionnot listed
201113,909$1.6 billionnot listed
201014,084$1.5 billionnot listed
200919,408$2.5 billionnot listed

Savings Program for Employees of Consolidated Nuclear Security, LLC at the U.S. Department of Energy Facilities at Oak Ridge, Tennessee

401(k)Active

Active. The plan filed its annual report for the 2024 plan year.

Plan number
009Employer EIN 45-4482782
Participants (2024)
8,459
Net assets (2024)
$1.5 billion
Recordkeeper
VoyaEarlier: Schwab (2009–2017)
Plan administrator
Consolidated Nuclear Security, LLC
P.O. Box 2115
Oak Ridge, TN 37831
(865) 574-1500As filed for 2024
In effect since
November 1, 2000

Earlier sponsor: Babcock & Wilcox Technical Services Y-12, LLC (2009–2013).

Earlier plan names: Savings Program for Employees of Certain Employers at the U.S. Department of Energy Facilities at Oak Ridge, Tennessee.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
20248,459$1.5 billionVoya
20238,291$1.3 billionVoya
20227,692$1.1 billionVoya
20217,154$1.2 billionVoya
20206,709$1.1 billionVoya
20196,463$984 millionnot listed
20186,147$839 millionnot listed
20175,852$876 millionSchwab
20166,164$849 millionSchwab
20156,028$820 millionSchwab
20145,900$844 millionSchwab
20136,228$840 millionSchwab
20126,465$776 millionSchwab
20116,160$713 millionSchwab
20106,143$701 millionSchwab
200912,221$1.5 billionSchwab

Plans that moved to another employer

PlanNow sponsored bySince
PXD 401(k) Plan for Bargaining PXD Location EmployeesPantexas Deterrence, LLC2024
PXD 401(k) Plan for Non-Bargaining PXD Location EmployeesPantexas Deterrence, LLC2024
PXD Retirement Plan for Bargaining Unit Members of the PguPantexas Deterrence, LLC2024
PXD Retirement Plan for Non-Bargaining PXD LocatioPantexas Deterrence, LLC2024
Retirement Plan for Bargaining Unit Employees of the MTC of PXDPantexas Deterrence, LLC2024

These plans once filed under Consolidated Nuclear Security's tax ID and are now filed by another employer, usually after a sale or spin-off. Accounts moved with them.

If you had money in one of these plans

  1. Call Voya (voya.com), which runs the Savings Program for Employees of Consolidated Nuclear Security, LLC at the U.S. Department of Energy Facilities at Oak Ridge, Tennessee. With your Social Security number and the plan name, it can tell you whether you still have a balance and, if not, where it went.
  2. Or call the plan administrator listed on the plan below ((865) 574-1500). That number was filed for 2024; ask for the benefits or retirement plan office.
  3. Still stuck? The Department of Labor's benefits advisers help for free: askebsa.dol.gov or 1-866-444-3272. Never pay anyone to find your own money.

What these numbers are

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.

Other business services employers in TN