Ontario Systems, Llc 401(k) Plan: Login, Facts & Contact Information

Ontario Systems, Llc 401(k) Plan Facts

Plan name
ONTARIO SYSTEMS, LLC 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
ONTARIO SYSTEMS, LLC
Participants
730 (331 active employees)
Former employees with a balance
269
Plan assets
$72,084,548 at Dec 31, 2024
Average account balance
$121,354 across 594 accounts
Employer contributions
$955,234 in plan year 2024 (17% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Aug 1, 2003
✓ 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

  • $5.66 million went into the plan in contributions, $955,234 of it from the employer (17%).
  • $10.3 million was paid out to participants.
  • Investment and other income added $9.29 million.
  • Administrative expenses were $126,707, about $213 per account.

How the Ontario Systems, Llc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019579$62.5 million$829,626$1.65 million
2020618$68.7 million$902,964$6.41 million
2021652$75.5 million$1.16 million$12.1 million
2022752$57.6 million$1.14 million$13.3 million
2023742$67.6 million$1.25 million$7.26 million
2024730$72.1 million$955,234$10.3 million

Ontario Systems, Llc 401(k) Contact Information

Phone
765-751-7000
Mailing address
700 DISTRICT AVE, STE 900, BURLINGTON MA 01803
Plan sponsor
ONTARIO SYSTEMS, LLC
Employer identification number (EIN)
75-3122530
Plan number
001

Questions about the Ontario Systems, Llc 401(k)

Does Ontario Systems, Llc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $955,234, 17% of all contributions.

Does the Ontario Systems, Llc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Ontario Systems, Llc 401(k) plan?

730 participants at the start of plan year 2024, 331 of them active employees, and 269 former employees who still had money in the plan.

What is the average 401(k) balance at Ontario Systems, Llc?

About $121,354 per account: $72.1 million in plan assets across 594 accounts with a balance at the end of plan year 2024.

Who manages the Ontario Systems, Llc 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 Ontario Systems, Llc. 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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