Monroe Engineering, Llc 401(k) Plan: Login, Facts & Contact Information

Monroe Engineering, Llc 401(k) Plan Facts

Plan name
MONROE ENGINEERING, LLC 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MONROE ENGINEERING, LLC
Participants
770 (735 active employees)
Former employees with a balance
83
Plan assets
$16,298,980 at Dec 31, 2024
Average account balance
$42,892 across 380 accounts
Recordkeeper
Creative Planning Holdco, Llc
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jun 1, 2011
✓ 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 14, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $2.01 million went into the plan in contributions.
  • $491,184 was paid out to participants.
  • Investment and other income added $1.92 million.
  • Administrative expenses were $70,882, about $187 per account.

How the Monroe Engineering, Llc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019137$1.27 million—$20,465
2020218$4.20 million—$391,062
2021330$6.22 million—$440,872
2022426$5.83 million—$523,844
2023588$12.4 million—$387,782
2024770$16.3 million—$491,184

Monroe Engineering, Llc 401(k) Contact Information

Phone
800-440-3967
Mailing address
2990 TECHNOLOGY DRIVE, ROCHESTER HILLS MI 48309
Plan sponsor
MONROE ENGINEERING, LLC
Employer identification number (EIN)
45-2068187
Plan number
001

Questions about the Monroe Engineering, Llc 401(k)

Does Monroe Engineering, Llc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement.

Does the Monroe Engineering, Llc 401(k) have automatic enrollment?

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

How many people are in the Monroe Engineering, Llc 401(k) plan?

770 participants at the start of plan year 2024, 735 of them active employees, and 83 former employees who still had money in the plan.

What is the average 401(k) balance at Monroe Engineering, Llc?

About $42,892 per account: $16.3 million in plan assets across 380 accounts with a balance at the end of plan year 2024.

Who manages the Monroe Engineering, Llc 401(k) accounts?

ADP Retirement Services (listed on the filing as CREATIVE PLANNING HOLDCO, LLC) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Monroe Engineering, Llc. How do I access my 401(k)?

Your account stays with ADP Retirement Services 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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