Thermoflex Corp. 401(k) Plan: Login, Facts & Contact Information

Thermoflex Corp. 401(k) Plan Facts

Plan name
THERMOFLEX CORP. 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
THERMOFLEX CORP.
Participants
780 (815 active employees)
Former employees with a balance
16
Plan assets
$11,981,929 at Dec 31, 2024
Average account balance
$77,303 across 155 accounts
Recordkeeper
Principal Life Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2000
✓ 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 1, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $2.44 million went into the plan in contributions.
  • $713,149 was paid out to participants.
  • Investment and other income added $1.30 million.
  • Administrative expenses were $1,269, about $8 per account.

How the Thermoflex Corp. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019691$4.51 million$0$107,347
2020559$5.28 million$788$479,432
2021481$6.86 million$1,098$254,977
2022722$6.33 million—$139,368
2023710$8.96 million—$182,817
2024780$12.0 million—$713,149

Thermoflex Corp. 401(k) Contact Information

Phone
847-473-9001
Mailing address
1535 S LAKESIDE DR, WAUKEGAN IL 600858312
Plan sponsor
THERMOFLEX CORP.
Employer identification number (EIN)
36-3734832
Plan number
001

Questions about the Thermoflex Corp. 401(k)

Does Thermoflex Corp contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement.

Does the Thermoflex Corp 401(k) have automatic enrollment?

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

How many people are in the Thermoflex Corp 401(k) plan?

780 participants at the start of plan year 2024, 815 of them active employees, and 16 former employees who still had money in the plan.

What is the average 401(k) balance at Thermoflex Corp?

About $77,303 per account: $12.0 million in plan assets across 155 accounts with a balance at the end of plan year 2024.

Who manages the Thermoflex Corp 401(k) accounts?

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

I no longer work at Thermoflex Corp. How do I access my 401(k)?

Your account stays with Principal 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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