401k Lookup

Summit Materials 401(k) and retirement plans

Summit Materials LLC, Denver, CO. EIN 26-4138486. Annual reports 2009–2024. Also filed as Grand Junction Concrete Pipe Company; Elam Construction, Inc.

Summit Materials LLC has one active retirement plan on file, the Summit Materials 401(k) Retirement Plan, with 8,381 participants and $469 million in assets in 2024. Empower has been its recordkeeper since 2016. No traditional pension plan appears in Summit Materials's filings since 2009.

Active plans
1
Participants
8,381
Plan assets
$469 million
401(k) recordkeeper
Empower
Plans on file
2
Industry
Construction

All 2 plans

Active plans first

Summit Materials 401(k) Retirement Plan

401(k)Active

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

Plan number
002Employer EIN 26-4138486
Participants (2024)
8,381
Net assets (2024)
$469 million
Recordkeeper
EmpowerEarlier: Merrill (2009–2014)
Plan administrator
Summit Materials LLC
1801 California Street, Suite 3500
Denver, CO 80202
(720) 633-3012As filed for 2024
In effect since
January 1, 2015

Plans merged into this one: Argos USA Retirement Savings Plan (2024).

Earlier sponsors: Grand Junction Concrete Pipe Company (2009–2012); Elam Construction, Inc. (2013–2014).

Earlier plan names: Grand Junction Concrete Pipe Company 401(k) Plan; Elam Construction, Inc. 401(k) Plan.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
20248,381$469 millionEmpower
20236,865$302 millionEmpower
20226,122$255 millionEmpower
20216,961$324 millionEmpower
20206,643$288 millionEmpower
20197,896$253 millionEmpower
20187,527$203 millionEmpower
20177,003$192 millionEmpower
20165,981$155 millionEmpower
2014250$5.3 millionMerrill
2013346$6.5 millionMerrill
2012272$6.4 millionMerrill
2011214$2.7 millionMerrill
2010214$3.2 millionMerrill
2009221$3.2 millionMerrill

Summit Materials LLC Retirement Plan

401(k)Merged

Merged. In 2015 its assets moved to the Summit Materials LLC 401(k) Plan (EIN 84-0484380, plan 001). Accounts moved with them, so that plan is the one to contact.

Plan number
001Employer EIN 26-4138486
Participants (2014)
147
Net assets (2014)
$3.2 million
Plan administrator
Summit Materials LLC
1550 Wynkoop ST 3RD FL
Denver, CO 80202
(303) 893-0012As filed for 2015
In effect since
October 1, 2010

Plans merged into this one: Hinkle Contracting Company and Subsidiaries Profit Sharing Plan (2014).

Year by year, 2010 to 2015
Plan yearParticipantsNet assetsRecordkeeper
20150$0not listed
2014147$3.2 millionnot listed
2013103$2.1 millionnot listed
201259$1.3 millionnot listed
201134$573,709not listed
201020$87,818not listed

If you had money in one of these plans

  1. Call Empower (empower.com), which runs the Summit Materials 401(k) Retirement Plan. 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 ((720) 633-3012). That number was filed for 2024; ask for the benefits or retirement plan office.
  3. If your plan was merged, your account moved with it. Follow the link on the plan to the plan it went into, and contact that one.
  4. 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.

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