Thetford Corporation 401(k) Plan: Login, Facts & Contact Information

Thetford Corporation 401(k) Plan Facts

Plan name
THETFORD LLC 401(K) PROFIT SHARING PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
THETFORD LLC
Participants
504 (207 active employees)
Former employees with a balance
201
Plan assets
$24,754,194 at Dec 31, 2024
Average account balance
$60,376 across 410 accounts
Employer contributions
$433,032 in plan year 2024 (29% of all contributions)
Recordkeeper
Merrill Lynch, Pierce, Fenner And S
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 1, 1984
✓ 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 15, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $1.49 million went into the plan in contributions, $433,032 of it from the employer (29%).
  • $8.34 million was paid out to participants.
  • Investment and other income added $3.27 million.
  • Administrative expenses were $71,464, about $174 per account.

How the Thetford Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20191,169$37.5 million$955,924$4.78 million
2020952$38.6 million$897,013$7.88 million
2021980$43.7 million$1.14 million$4.43 million
20221,051$33.5 million$974,914$7.07 million
2023856$28.4 million$478,676$11.1 million
2024504$24.8 million$433,032$8.34 million

Thetford Corporation 401(k) Contact Information

Phone
734-769-6000
Mailing address
7101 JACKSON ROAD, ANN ARBOR MI 48103
Plan sponsor
THETFORD LLC
Employer identification number (EIN)
38-1716528
Plan number
003

Questions about the Thetford Corporation 401(k)

Does Thetford Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $433,032, 29% of all contributions.

Does the Thetford Corporation 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Thetford Corporation 401(k) plan?

504 participants at the start of plan year 2024, 207 of them active employees, and 201 former employees who still had money in the plan.

What is the average 401(k) balance at Thetford Corporation?

About $60,376 per account: $24.8 million in plan assets across 410 accounts with a balance at the end of plan year 2024.

Who manages the Thetford Corporation 401(k) accounts?

Merrill Benefits OnLine (listed on the filing as MERRILL LYNCH, PIERCE, FENNER AND S) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Thetford Corporation. How do I access my 401(k)?

Your account stays with Merrill Benefits OnLine 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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