401(k) · DOL Form 5500 · 2023

American Trading and Production Corporation 401(k) Plan

Data updated 2026-08-25

$23M
Total assets Small plan by assets
63
Participants Small participant base
75th
Percentile by assets National rank
$359,854
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

$23M in assets, 63 participants

American Trading and Production Corporation's Atapco 401(k) Plan reported $23M in total assets and 63 participants in its 2023 DOL Form 5500 filing, ranking in the 75th 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.

  • #4,183 in Real Estate (4,727 peers)

Where Atapco 401(k) Plan sits by assets

Atapco 401(k) Plan sits in the top quartile of all filed plans by assets, $23M for 63 participants (~$359,854/participant), up 4.3% in 2023.

#4,183
in Real Estate (4,727 peers)
+4.3%
assets growth YoY
0.2×
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 2023 · DOL Form 5500

$22,670,808 Top 25% higher than 75% of 127,068 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 2023

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

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Atapco 401(k) Plan is a small filing (63 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Atapco 401(k) Plan reported net income rose from -$7M in the plan year 2022 filing to $938K in the plan year 2023 filing.
  • Atapco 401(k) Plan end-of-year assets rose from $22M in the plan year 2022 filing to $23M in the plan year 2023 filing.
  • Atapco 401(k) Plan reported participants rose from 62 in the plan year 2022 filing to 63 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 510363543 · American Trading and Production Corporation PY 2023 · 401(k)

Atapco 401(k) Plan · $23M · 63 · 75th

  • EBSA $23M
  • PART 63
  • TYPE 75th
  • NET 401(k)
  • BOOK near Greater Philadelphia Health Action, Inc. 401(k) Plan
  • VS-ST ind #4183

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$23MGreater Philadelphia Health Action, Inc. 401(k) PlanGreater Philadelphia Health …$23MValidity Inc. 401(k) Plan$23MAcme United Corporation 401(k) Profit Sharing PlanAcme United Corporation 401(…$23MSbera 401(k) Plan as Adopted by Northeast BankSbera 401(k) Plan as Adopted…$23M
End-of-year total assets ($M) among Atapco 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$22M
Net Assets (End of Year)$23M
Net Income$938K
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): 0.022670808 · Participants: 63Atapco 401(k) PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 47.273019756 · Participants: 91511Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 10.20606962 · Participants: 96415Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.357344903 · Participants: 6292T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 3.951576315 · Participants: 2767Nfl Player Second Career Savings PlanSodexo 401 (K) Employees' Retirement Savings Plan and Trust, Total assets ($B): 2.217483854 · Participants: 80121Sodexo 401 (K) Employees' Retirement Savings Plan and Trust
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 Greater Philadelphia Health Action, Inc. 401(k) Plan in PA ($23M); by covered participants it is The Mcdevitt Companies Employee 401(k) Plan in NH (63 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (63 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. 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 2023? ▼
Atapco 401(k) Plan edged up modestly - up 4.3% during 2023, from $22M to $23M. Reported net income was $938K.
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 75th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (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 Greater Philadelphia Health Action, Inc. 401(k) Plan in PA ($23M, 542 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 The Mcdevitt Companies Employee 401(k) Plan in NH (63 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

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.