Air Control Systems, Inc. 401(k) Plan: Login, Facts & Contact Information

Air Control Systems, Inc. 401(k) Plan Facts

Plan name
AIR CONTROL SYSTEMS, INC. 401(K) RETIREMENT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
AIR CONTROL SYSTEMS, INC.
Participants
190 (183 active employees)
Former employees with a balance
27
Plan assets
$11,700,081 at Dec 31, 2024
Average account balance
$59,091 across 198 accounts
Employer contributions
$645,583 in plan year 2024 (34% of all contributions)
Recordkeeper
Northwestern Mutual Investment Serv
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2015
✓ 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 Aug 4, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $1.88 million went into the plan in contributions, $645,583 of it from the employer (34%).
  • $1.08 million was paid out to participants.
  • Investment and other income added $1.31 million.
  • Administrative expenses were $67,184, about $339 per account.

How the Air Control Systems, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019129$4.62 million$312,298$127,063
2020148$6.77 million$421,738$170,129
2021169$8.36 million$433,945$614,215
2022161$7.36 million$450,457$640,537
2023175$9.69 million$529,103$620,830
2024190$11.7 million$645,583$1.08 million

Air Control Systems, Inc. 401(k) Contact Information

Phone
909-786-4230
Mailing address
1940 SOUTH GROVE AVE., ONTARIO CA 91761
Plan sponsor
AIR CONTROL SYSTEMS, INC.
Employer identification number (EIN)
33-0491402
Plan number
001

Questions about the Air Control Systems, Inc. 401(k)

Does Air Control Systems, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $645,583, 34% of all contributions.

Does the Air Control Systems, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Air Control Systems, Inc 401(k) plan?

190 participants at the start of plan year 2024, 183 of them active employees, and 27 former employees who still had money in the plan.

What is the average 401(k) balance at Air Control Systems, Inc?

About $59,091 per account: $11.7 million in plan assets across 198 accounts with a balance at the end of plan year 2024.

Who manages the Air Control Systems, Inc 401(k) accounts?

ADP Retirement Services (listed on the filing as NORTHWESTERN MUTUAL INVESTMENT SERV) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Air Control Systems, Inc. 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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