401(k) · DOL Form 5500 · 2024

Rainbo Oil Company 401(k) Plan

Data updated 2026-08-25

$8M
Total assets Small plan by assets: 201
Participants Below avg headcount: 50th
Percentile by assets National rank: $38,450
Avg per participant Low balance/head

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Official DOL plan name: Rainbo Oil Co. 401(k) Plan · Sponsored by Rainbo Oil Company · Iowa · Wholesale Trade

$8M in assets, 201 participants

Rainbo Oil Company's Rainbo Oil Co. 401(k) Plan reported $8M in total assets and 201 participants in its 2024 DOL Form 5500 filing, ranking in the 50th 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.

#2,452 in Wholesale Trade (6,080 peers)

Coverage in Iowa

Rainbo Oil Co. 401(k) Plan covers 201 participants in Iowa, about 33% of the average Iowa filer (state average ~609 per filing). Assets: $8M.

#2,452
in Wholesale Trade (6,080 peers): +24.0%
assets growth YoY

Rainbo Oil Co. 401(k) Plan's mid-pack asset rank among Wholesale Trade and all filers

Rainbo Oil Co. 401(k) Plan vs every filed plan by assets

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

$7,728,450 Top 50% higher than 50% of 123,620 filed plans

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

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

Rainbo Oil Co. 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. Rainbo Oil Co. 401(k) Plan sits mid-pack in the medium band (201 participants).

Micro (1-10) 33,766 filings (27%) Small (11-100) 26,107 filings (21%) Medium (101-1,000) 54,251 filings (43%) Large (1,001-10,000) 10,349 filings (8%) Mega (10,000+) 1,399 filings (1%)

Rainbo Oil Co. 401(k) Plan end-of-year assets rose from $6M in the plan year 2023 filing to $8M in the plan year 2024 filing.
Rainbo Oil Co. 401(k) Plan reported net income rose from $1M in the plan year 2023 filing to $1M in the plan year 2024 filing.
Rainbo Oil Co. 401(k) Plan reported participants fell from 212 in the plan year 2023 filing to 201 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 420481740 · Rainbo Oil Company PY 2024 · 401(k)

Rainbo Oil Co. 401(k) Plan · $8M · 201 · 50th

VS-ST $8M
VS-ST 201
VS-ST 50th
VS-ST 401(k)
VS-ST near Fieldwirelabs, Inc. Retirement Trust
VS-ST ind #2452

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 Wholesale Trade retirement plans → · Plans in Iowa →

End-of-year total assets ($M) among Rainbo Oil Co. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Iowa filing particulars

Total Assets (Beginning of Year)	$6M
Net Assets (End of Year)	$8M
Net Income	$1M
Employer EIN	420481740
Plan Effective Date	1990-12-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Rainbo Oil Company)

Latest sponsor-wide plan assets: $8M 54.94433716234206% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	209	$5M
2023	1	212	$6M
2024	1	201	$8M

Nearby 401(k) Plans in Iowa

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

Rainbo Oil Co. 401(k) Plan vs. nearby 401(k) plans in Iowa, assets vs. participants

The Principal Select Savings Plan $4.6B · 12,841
The Rsm US LLP Retirement Plan $3.4B · 14,728
Iowa Health System Section 401(k) Retirement Savings Plan $3.3B · 25,072
The Hy-Vee and Affiliates 401(k) Plan $3.1B · 55,411
Transamerica 401(k) Retirement Savings Plan $2.7B · 8,059

Compare Rainbo Oil Co. 401(k) Plan side-by-side with 3 peers →

Rainbo Oil Co. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Iowa, the nearest 401(k) by assets is Fieldwirelabs, Inc. Retirement Trust in CA ($8M); by covered participants it is Osi Digital, Inc. 401(k) Plan in CA (201 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($8M here).

Fieldwirelabs, Inc. Retirement Trust (CA) $8M · 186
403(b) Thrift Plan for Employees of Lakeshore Community Healthcare, Inc. (WI) $8M · 148
Purecycle Technologies, Inc. 401(k) Plan (FL) $8M · 150
Mann Lake Ltd. 401(k) Plan (MN) $8M · 300

Similar participant headcount

Nearest other-state filings by covered participants (201 participants); asset peers above are excluded.

Osi Digital, Inc. 401(k) Plan (CA) 201 · 0 off
Acton Medical Associates, P.C. 401(k) Profit Sharing Plan (MA) 201 · 0 off
The Fall River Group, Inc. Employees' 401(k) Profit Sharing Plan (WI) 201 · 0 off
Unipart Services America Inc. 401(k) Plan for Non-Union Employees (NJ) 201 · 0 off

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 Rainbo Oil Co. 401(k) Plan assets move in 2024? ▼

Rainbo Oil Co. 401(k) Plan grew sharply - up 24.0% during 2024, from $6M to $8M. Reported net income was $1M.

How have Rainbo Oil Company plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Rainbo Oil Company's sponsor-wide assets grew 54.9%, from $5M to $8M.

Which 401(k) plans are similar in size to Rainbo Oil Co. 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Fieldwirelabs, Inc. Retirement Trust in CA ($8M, 186 participants).

Which 401(k) plans cover a similar participant headcount to Rainbo Oil Co. 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by covered participants is Osi Digital, Inc. 401(k) Plan in CA (201 participants, $21M 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 420481740.