401(k) · DOL Form 5500 · 2024

Alarm Detection Systems, Inc. 401(k) Plan

Data updated 2026-08-25

$40M
Total assets Below avg plan size
318
Participants Below avg headcount
81st
Percentile by assets National rank
$124,602
Avg per participant Near avg balance/head
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Official DOL plan name: Ads 401(k) Plan · Sponsored by Alarm Detection Systems, Inc. · Illinois · Administrative & Support Services

$40M in assets, 318 participants

Alarm Detection Systems, Inc.'s Ads 401(k) Plan reported $40M in total assets and 318 participants in its 2024 DOL Form 5500 filing, ranking in the 81st percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #3,949 in Administrative & Support Services (4,368 peers)

Coverage in Illinois

Ads 401(k) Plan covers 318 participants in Illinois, about 41% of the average Illinois filer (state average ~779 per filing). Assets: $40M.

#3,949
in Administrative & Support Services (4,368 peers)
+13.9%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Ads 401(k) Plan's outsized position by total assets

Ads 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$39,623,383 Top 19% higher than 81% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Ads 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ads 401(k) Plan sits mid-pack in the medium band (318 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Ads 401(k) Plan reported net income fell from $7M in the plan year 2023 filing to $5M in the plan year 2024 filing.
  • Ads 401(k) Plan end-of-year assets rose from $35M in the plan year 2023 filing to $40M in the plan year 2024 filing.
  • Ads 401(k) Plan reported participants rose from 300 in the plan year 2023 filing to 318 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 362697671 · Alarm Detection Systems, Inc. PY 2024 · 401(k)

Ads 401(k) Plan · $40M · 318 · 81st

  • BOOK $40M
  • VS-ST 318
  • BOY 81st
  • SCH 401(k)
  • EBSA near Car Sound Exhaust System, Inc. 401(k) Profit Sharing Plan
  • PART ind #3949

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Administrative & Support Services retirement plans → · Plans in Illinois →

Ads 401(k) Plan in the asset neighbourhood

Family Health Center of Marshfield, Inc. Retirement PlanFamily Health Center of Mars…$40MAds 401(k) Plan$40MCar Sound Exhaust System, Inc. 401(k) Profit Sharing PlanCar Sound Exhaust System, In…$40MDenso Ten America Limited 401(k) Shared Savings PlanDenso Ten America Limited 40…$40MMillcreek Anesthesia, P.C. Profit Sharing PlanMillcreek Anesthesia, P.C. P…$40M
End-of-year total assets ($M) among Ads 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$35M
Net Assets (End of Year)$40M
Net Income$5M
Employer EIN362697671
Plan Effective Date1997-03-08
Filing StatusFILING RECEIVED

Sponsor Plan History (Alarm Detection Systems, Inc.)

Sponsor-wide plan assets over time

All Alarm Detection Systems, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$40M 41.05171955559616% vs 2022
2024 filing year
$25M$30M$35M$40M$45M 202220232024 $28.1M $39.6M ▲ +41.0%
Year Plans Participants Total Assets
2022 1 302 $28M
2023 1 300 $35M
2024 1 318 $40M

Nearby 401(k) Plans in Illinois

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Ads 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Ads 401(k) Plan, Total assets ($B): 0.039623383 · Participants: 318Ads 401(k) PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Ads 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Ads 401(k) Plan side-by-side with 3 peers →

Ads 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Car Sound Exhaust System, Inc. 401(k) Profit Sharing Plan in CA ($40M); by covered participants it is Smartcontract 401(k) Plan in NY (318 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (318 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Ads 401(k) Plan assets move in 2024? ▼
Ads 401(k) Plan grew at a solid clip - up 13.9% during 2024, from $35M to $40M. Reported net income was $5M.
How have Alarm Detection Systems, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Alarm Detection Systems, Inc.'s sponsor-wide assets grew 41.1%, from $28M to $40M.
Where does Ads 401(k) Plan rank by assets among Form 5500 filers? ▼
Ads 401(k) Plan ranks in the 81st percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Ads 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Car Sound Exhaust System, Inc. 401(k) Profit Sharing Plan in CA ($40M, 310 participants).
Which 401(k) plans cover a similar participant headcount to Ads 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Smartcontract 401(k) Plan in NY (318 participants, $14M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 362697671.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.