Landmark Services Cooperative 401(k) Plan: Login, Facts & Contact Information

Landmark Services Cooperative 401(k) Plan Facts

Plan name
CO-OP 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
LANDMARK SERVICES COOPERATIVE
Participants
1,109 (423 active employees)
Former employees with a balance
552
Plan assets
$65,238,646 at Dec 31, 2024
Average account balance
$63,897 across 1,021 accounts
Employer contributions
$1,737,944 in plan year 2024 (41% of all contributions)
Recordkeeper
Milliman, Inc.
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1954
✓ 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 Oct 13, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $4.25 million went into the plan in contributions, $1.74 million of it from the employer (41%).
  • $8.62 million was paid out to participants.
  • Investment and other income added $7.31 million.
  • Administrative expenses were $70,277, about $69 per account.

How the Landmark Services Cooperative 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019641$41.6 million$953,900$4.35 million
2020610$48.2 million$898,937$3.63 million
2021619$72.7 million$1.57 million$7.07 million
20221,226$58.0 million$1.68 million$7.44 million
20231,193$62.4 million$1.85 million$8.73 million
20241,109$65.2 million$1.74 million$8.62 million

Landmark Services Cooperative 401(k) Contact Information

Phone
800-236-3276
Mailing address
P.O BOX 277, COTTAGE GROVE WI 53527
Plan sponsor
LANDMARK SERVICES COOPERATIVE
Employer identification number (EIN)
39-0234240
Plan number
001

Questions about the Landmark Services Cooperative 401(k)

Does Landmark Services Cooperative contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.74 million, 41% of all contributions.

Does the Landmark Services Cooperative 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Landmark Services Cooperative 401(k) plan?

1,109 participants at the start of plan year 2024, 423 of them active employees, and 552 former employees who still had money in the plan.

What is the average 401(k) balance at Landmark Services Cooperative?

About $63,897 per account: $65.2 million in plan assets across 1,021 accounts with a balance at the end of plan year 2024.

Who manages the Landmark Services Cooperative 401(k) accounts?

Milliman (listed on the filing as MILLIMAN, INC.) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Landmark Services Cooperative. How do I access my 401(k)?

Your account stays with Milliman 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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