Sterling Engineering, Inc. 401(k) Plan: Login, Facts & Contact Information

Sterling Engineering, Inc. 401(k) Plan Facts

Plan name
STERLING ENGINEERING, INC. SALARY SAVINGS PLAN
Plan type
401(k) with employer contributions
Plan sponsor
STERLING ENGINEERING, INC.
Participants
531 (254 active employees)
Former employees with a balance
122
Plan assets
$19,548,165 at Dec 31, 2024
Average account balance
$78,507 across 249 accounts
Employer contributions
$75,727 in plan year 2024 (5% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 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 10, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $1.67 million went into the plan in contributions, $75,727 of it from the employer (5%).
  • $1.23 million was paid out to participants.
  • Investment and other income added $3.04 million.
  • Administrative expenses were $5,642, about $23 per account.

How the Sterling Engineering, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019574$11.0 million$32,507$1.15 million
2020522$13.7 million$34,487$939,700
2021560$16.2 million$49,783$871,261
2022571$12.9 million$40,718$1.22 million
2023544$16.1 million$78,263$1.32 million
2024531$19.5 million$75,727$1.23 million

Sterling Engineering, Inc. 401(k) Contact Information

Phone
630-993-3400
Mailing address
TWO WESTBROOK CORP CENTER SUITE 300, WESTCHESTER IL 60154
Plan sponsor
STERLING ENGINEERING, INC.
Employer identification number (EIN)
36-2708254
Plan number
001

Questions about the Sterling Engineering, Inc. 401(k)

Does Sterling Engineering, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $75,727, 5% of all contributions.

Does the Sterling Engineering, Inc 401(k) have automatic enrollment?

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

How many people are in the Sterling Engineering, Inc 401(k) plan?

531 participants at the start of plan year 2024, 254 of them active employees, and 122 former employees who still had money in the plan.

What is the average 401(k) balance at Sterling Engineering, Inc?

About $78,507 per account: $19.5 million in plan assets across 249 accounts with a balance at the end of plan year 2024.

Who manages the Sterling Engineering, 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 Sterling Engineering, 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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