401(k) · DOL Form 5500 · 2022

Mainspring Energy, Inc. 401(k) Plan

Data updated 2026-08-25

$9M
Total assets Small plan by assets
254
Participants Below avg headcount
64th
Percentile by assets National rank
$36,903
Avg per participant Low balance/head
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Official DOL plan name: Mainspring Energy, Inc. 401(k) Plan · Sponsored by Mainspring Energy, Inc. · California · Manufacturing

$9M in assets, 254 participants

Mainspring Energy, Inc.'s Mainspring Energy, Inc. 401(k) Plan reported $9M in total assets and 254 participants in its 2022 DOL Form 5500 filing, ranking in the 64th 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.

  • #10,414 in Manufacturing (20,602 peers)

Coverage in California

Mainspring Energy, Inc. 401(k) Plan covers 254 participants in California, about 40% of the average California filer (state average ~630 per filing). Assets: $9M.

#10,414
in Manufacturing (20,602 peers)
+7.4%
assets growth YoY

Mainspring Energy, Inc. 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Mainspring Energy, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$9,373,449 Top 36% higher than 64% of 139,123 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 2022

Mainspring Energy, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mainspring Energy, Inc. 401(k) Plan sits mid-pack in the medium band (254 participants).

Plan-year Form 5500 strip

Filing strip 272430529 · Mainspring Energy, Inc. PY 2022 · 401(k)

Mainspring Energy, Inc. 401(k) Plan · $9M · 254 · 64th

  • PCT $9M
  • PCT 254
  • PCT 64th
  • PCT 401(k)
  • PCT near Casimir Jones Sc 401(k) Profit Sharing Plan & Trust
  • PCT ind #10414

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 Manufacturing retirement plans → · Plans in California →

Mainspring Energy, Inc. 401(k) Plan in the asset neighbourhood

Mainspring Energy, Inc. 401(k) PlanMainspring Energy, Inc. 401(…$9MCasimir Jones Sc 401(k) Profit Sharing Plan & TrustCasimir Jones Sc 401(k) Prof…$9MProperty Resources Corporation 401(k) PlanProperty Resources Corporati…$9MMusson Bros., Inc. 401(k) Retirement PlanMusson Bros., Inc. 401(k) Re…$9MAsmodee North America, Inc. 401(k) PlanAsmodee North America, Inc. …$9M
End-of-year total assets ($M) among Mainspring Energy, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

California filing particulars

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$9M
Net Income$645K
Employer EIN272430529
Plan Effective Date2011-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mainspring Energy, Inc.)

Sponsor-wide plan assets over time

All Mainspring Energy, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$23M 145.81412882280577% vs 2022
2024 filing year
$5M$10M$15M$20M$25M 202220232024 $9.37M $23M ▲ +145.9%
Year Plans Participants Total Assets
2022 1 254 $9M
2023 1 334 $15M
2024 1 397 $23M

Nearby 401(k) Plans in California

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

Mainspring Energy, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Mainspring Energy, Inc. 401(k) Plan, Total assets ($B): 0.009373449 · Participants: 254Mainspring Energy, Inc. 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 45.765616608 · Participants: 205865Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 28.89820221 · Participants: 102963Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 21.851716605 · Participants: 46320Oracle Corporation 401(k) Savings and Investment PlanChevron Employee Savings Investment Plan, Total assets ($B): 18.60989746 · Participants: 19946Chevron Employee Savings Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 18.361585903 · Participants: 54672Intel 401(k) Savings Plan
Mainspring Energy, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Mainspring Energy, Inc. 401(k) Plan side-by-side with 3 peers →

Mainspring Energy, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Casimir Jones Sc 401(k) Profit Sharing Plan & Trust in WI ($9M); by covered participants it is Phoenix Processor Retirement Savings Plan in WA (254 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (254 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Mainspring Energy, Inc. 401(k) Plan assets move in 2022? ▼
Mainspring Energy, Inc. 401(k) Plan grew at a solid clip - up 7.4% during 2022, from $9M to $9M. Reported net income was $645K.
How have Mainspring Energy, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mainspring Energy, Inc.'s sponsor-wide assets grew 145.8%, from $9M to $23M.
Which 401(k) plans are similar in size to Mainspring Energy, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Casimir Jones Sc 401(k) Profit Sharing Plan & Trust in WI ($9M, 29 participants).
Which 401(k) plans cover a similar participant headcount to Mainspring Energy, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Phoenix Processor Retirement Savings Plan in WA (254 participants, $8M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 272430529.

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.