U.s. Borax, Inc. 401(k) Plan: Login, Facts & Contact Information

U.s. Borax, Inc. 401(k) Plan Facts

Plan name
U.S. BORAX INC. 401(K) SAVINGS & RETIREMENT CONTRIBUTION PLAN FOR REPRESENTED EMPLOYEES
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
U.S. BORAX INC.
Participants
809 (664 active employees)
Former employees with a balance
88
Plan assets
$76,192,851 at Dec 31, 2024
Average account balance
$101,590 across 750 accounts
Employer contributions
$2,489,585 in plan year 2024 (40% of all contributions)
Recordkeeper
Empower Annuity Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1990
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants— Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 5, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $6.30 million went into the plan in contributions, $2.49 million of it from the employer (40%).
  • $9.16 million was paid out to participants.
  • Investment and other income added $7.99 million.
  • Administrative expenses were $40,122, about $53 per account.

How the U.s. Borax, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019662$59.4 million$1.31 million$4.46 million
2020696$68.0 million$1.44 million$4.00 million
2021720$72.7 million$1.71 million$7.67 million
2022742$62.3 million$2.04 million$5.83 million
2023767$71.7 million$2.32 million$4.83 million
2024809$76.2 million$2.49 million$9.16 million

U.s. Borax, Inc. 401(k) Contact Information

Phone
801-204-2000
Mailing address
4700 DAYBREAK PARKWAY, SOUTH JORDAN UT 84009
Plan sponsor
U.S. BORAX INC.
Plan administrator
RIO TINTO AMERICA INC. BENEFITS GOVERNANCE COMMITTEE
Employer identification number (EIN)
98-0047580
Plan number
007

Questions about the U.s. Borax, Inc. 401(k)

Does U.s. Borax, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $2.49 million, 40% of all contributions.

Does the U.s. Borax, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the U.s. Borax, Inc 401(k) plan?

809 participants at the start of plan year 2024, 664 of them active employees, and 88 former employees who still had money in the plan.

What is the average 401(k) balance at U.s. Borax, Inc?

About $101,590 per account: $76.2 million in plan assets across 750 accounts with a balance at the end of plan year 2024.

Who manages the U.s. Borax, Inc 401(k) accounts?

Empower (listed on the filing as EMPOWER ANNUITY INSURANCE COMPANY) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at U.s. Borax, Inc. How do I access my 401(k)?

Your account stays with Empower after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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