Mason Companies, Inc. 401(k) Plan: Login, Facts & Contact Information

Mason Companies, Inc. 401(k) Plan Facts

Plan name
MASON COMPANIES RETIREMENT AND SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MASON COMPANIES, INC.
Participants
1,010 (324 active employees)
Former employees with a balance
273
Plan assets
$53,098,896 at Dec 31, 2024
Average account balance
$92,186 across 576 accounts
Employer contributions
$839,788 in plan year 2024 (25% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1958
✓ 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 29, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $3.35 million went into the plan in contributions, $839,788 of it from the employer (25%).
  • $9.16 million was paid out to participants.
  • Investment and other income added $6.32 million.
  • Administrative expenses were $137,118, about $238 per account.

How the Mason Companies, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20191,320$50.2 million$1.22 million$6.36 million
20201,178$48.5 million$1.54 million$10.2 million
20211,044$51.6 million$2.11 million$6.34 million
20221,017$50.0 million$1.12 million$4.70 million
20231,133$52.7 million$1.01 million$8.69 million
20241,010$53.1 million$839,788$9.16 million

Mason Companies, Inc. 401(k) Contact Information

Phone
715-723-1871
Mailing address
1251 FIRST AVENUE, CHIPPEWA FALLS WI 54729
Plan sponsor
MASON COMPANIES, INC.
Employer identification number (EIN)
39-0455220
Plan number
001

Questions about the Mason Companies, Inc. 401(k)

Does Mason Companies, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $839,788, 25% of all contributions.

Does the Mason Companies, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Mason Companies, Inc 401(k) plan?

1,010 participants at the start of plan year 2024, 324 of them active employees, and 273 former employees who still had money in the plan.

What is the average 401(k) balance at Mason Companies, Inc?

About $92,186 per account: $53.1 million in plan assets across 576 accounts with a balance at the end of plan year 2024.

Who manages the Mason Companies, Inc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Mason Companies, Inc. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits 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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