401(k) · DOL Form 5500 · 2024

American Trading and Production Corporation 401(k) Plan

Data updated 2026-08-25

$28M
Total assets Below avg plan size
70
Participants Small participant base
76th
Percentile by assets National rank
$397,363
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Atapco 401(k) Plan · Sponsored by American Trading and Production Corporation · Maryland · Real Estate

$28M in assets, 70 participants

American Trading and Production Corporation's Atapco 401(k) Plan reported $28M in total assets and 70 participants in its 2024 DOL Form 5500 filing, ranking in the 76th 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.

  • #4,084 in Real Estate (4,605 peers)

Where Atapco 401(k) Plan sits by assets

Atapco 401(k) Plan sits in the top quartile of all filed plans by assets, $28M for 70 participants (~$397,363/participant), up 22.7% in 2024.

#4,084
in Real Estate (4,605 peers)
+22.7%
assets growth YoY
0.3×
vs typical plan assets (national mean)

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

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

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

$27,815,412 Top 24% higher than 76% 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

Atapco 401(k) Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Atapco 401(k) Plan is a small filing (70 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Atapco 401(k) Plan reported net income rose from $938K in the plan year 2023 filing to $5M in the plan year 2024 filing.
  • Atapco 401(k) Plan end-of-year assets rose from $23M in the plan year 2023 filing to $28M in the plan year 2024 filing.
  • Atapco 401(k) Plan reported participants rose from 63 in the plan year 2023 filing to 70 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 510363543 · American Trading and Production Corporation PY 2024 · 401(k)

Atapco 401(k) Plan · $28M · 70 · 76th

  • VS-ST $28M
  • VS-ST 70
  • VS-ST 76th
  • VS-ST 401(k)
  • VS-ST near Avedis Zildjian Co. Retirement Plan
  • VS-ST ind #4084

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 Real Estate retirement plans → · Plans in Maryland →

Atapco 401(k) Plan in the asset neighbourhood

Atapco 401(k) Plan$28MAvedis Zildjian Co. Retirement PlanAvedis Zildjian Co. Retireme…$28MVenturedyne Ltd Salaried Defferral Investment PlanVenturedyne Ltd Salaried Def…$28MOcala Eye, P.a. Restated Profit Sharing PlanOcala Eye, P.a. Restated Pro…$28MAida-America Corporation Savings PlanAida-America Corporation Sav…$28M
End-of-year total assets ($M) among Atapco 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$23M
Net Assets (End of Year)$28M
Net Income$5M
Employer EIN510363543
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (American Trading and Production Corporation)

Sponsor-wide plan assets over time

All American Trading and Production Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$53M 26.802522014701236% vs 2022
2024 filing year
$40M$45M$50M$55M 202220232024 $41.5M $52.6M ▲ +26.8%
Year Plans Participants Total Assets
2022 2 117 $41M
2023 2 126 $45M
2024 2 134 $53M

Nearby 401(k) Plans in Maryland

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

Atapco 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Atapco 401(k) Plan, Total assets ($B): 0.027815412 · Participants: 70Atapco 401(k) PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 51.448624264 · Participants: 96812Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 11.712016434 · Participants: 101417Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.948487009 · Participants: 6639T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 4.08462816 · Participants: 2771Nfl Player Second Career Savings PlanLockheed Martin Corporation Performance Sharing Plan for Bargaining Employees, Total assets ($B): 2.987191008 · Participants: 18370Lockheed Martin Corporation Performance Sharing Plan for Bargaining Employees
Atapco 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants
Compare Atapco 401(k) Plan side-by-side with 3 peers →

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

Outside Maryland, the nearest 401(k) by assets is Avedis Zildjian Co. Retirement Plan in MA ($28M); by covered participants it is Revenir Energy Services LLC 401(k) Plan in CO (70 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (70 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 Atapco 401(k) Plan assets move in 2024? ▼
Atapco 401(k) Plan grew sharply - up 22.7% during 2024, from $23M to $28M. Reported net income was $5M.
How have American Trading and Production Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), American Trading and Production Corporation's sponsor-wide assets grew 26.8%, from $41M to $53M.
Where does Atapco 401(k) Plan rank by assets among Form 5500 filers? ▼
Atapco 401(k) Plan ranks in the 76th 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 Atapco 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Avedis Zildjian Co. Retirement Plan in MA ($28M, 249 participants).
Which 401(k) plans cover a similar participant headcount to Atapco 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Revenir Energy Services LLC 401(k) Plan in CO (70 participants, N/A 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 510363543.

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.