Interstate Electrical Services Corporation 401(k) Plan: Login, Facts & Contact Information

Interstate Electrical Services Corporation 401(k) Plan Facts

Plan name
INTERSTATE ELECTRICAL SERVICES CORPORATION 401(K) PLAN
Plan type
401(k) with employer contributions
Plan sponsor
INTERSTATE ELECTRICAL SERVICES CORPORATION
Participants
936 (581 active employees)
Former employees with a balance
292
Plan assets
$65,286,888 at Dec 31, 2024
Average account balance
$73,439 across 889 accounts
Employer contributions
$660,799 in plan year 2024 (17% of all contributions)
Recordkeeper
Transamerica Retirement Solutions
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 1, 1987
✓ 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 9, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $3.82 million went into the plan in contributions, $660,799 of it from the employer (17%).
  • $5.02 million was paid out to participants.
  • Investment and other income added $8.33 million.
  • Administrative expenses were $275,887, about $310 per account.

How the Interstate Electrical Services Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019788$44.2 million$487,470$3.46 million
2020746$50.4 million$498,220$3.31 million
2021745$56.3 million$499,746$3.80 million
2022793$52.3 million$684,840$2.59 million
2023943$58.4 million$682,091$6.53 million
2024936$65.3 million$660,799$5.02 million

Interstate Electrical Services Corporation 401(k) Contact Information

Phone
978-947-8152
Mailing address
70 TREBLE COVE ROAD, N. BILLERICA MA 01862
Plan sponsor
INTERSTATE ELECTRICAL SERVICES CORPORATION
Employer identification number (EIN)
04-2393971
Plan number
001

Questions about the Interstate Electrical Services Corporation 401(k)

Does Interstate Electrical Services Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $660,799, 17% of all contributions.

Does the Interstate Electrical Services Corporation 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Interstate Electrical Services Corporation 401(k) plan?

936 participants at the start of plan year 2024, 581 of them active employees, and 292 former employees who still had money in the plan.

What is the average 401(k) balance at Interstate Electrical Services Corporation?

About $73,439 per account: $65.3 million in plan assets across 889 accounts with a balance at the end of plan year 2024.

Who manages the Interstate Electrical Services Corporation 401(k) accounts?

Transamerica (listed on the filing as TRANSAMERICA RETIREMENT SOLUTIONS) is the plan's recordkeeper, which is where participants log in to see their balance.

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

Your account stays with Transamerica 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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