401(k)
2022 plan-year 401(k) DOL Form 5500

Isti Plant Services 401(k) Retirement Plan

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

Sponsored by Insulation Specialists of Tulsa Inc · Oklahoma · Construction

What the 2023 filing shows

Isti Plant Services 401(k) Retirement Plan holds $9M for 629 participants — about $14,364 per participant, down 5.6% over the 2022 plan year.

$9M
total plan assets (2022 EOY)
629
covered participants
$14,364
avg assets per participant
-5.6%
assets change YoY

The plan reported a net loss of $538K for the year — a single-year figure driven by markets and benefit payments, not a measure of plan health.

Total Assets (2023)
$9M
Participants
629
State
Industry
Construction

What the Filing Says About Isti Plant Services 401(k) Retirement Plan

Isti Plant Services 401(k) Retirement Plan is a 401(k) retirement plan sponsored by Insulation Specialists of Tulsa Inc, headquartered in Oklahoma. As of the 2022 Form 5500 filing, the plan reports $9M in total end-of-year assets and covers 629 participants across the Construction industry. The sponsor's EIN on file with the U.S. Department of Labor is 731513570, and the plan has been effective since 2019-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $10M at the beginning of 2022 to $9M at year-end — a decline of 5.6%. Net assets (after liabilities) closed the year at $9M, with reported net income of $-537,959 driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)$10M
Total Assets (End of Year)$9M
Net Assets (End of Year)$9M
Net Income$-537,959
Plan Type401(k)
Employer EIN731513570
Plan Effective Date2019-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Insulation Specialists of Tulsa Inc)

Year Plans Participants Total Assets
2022 1 629 $9M
2023 1 786 $11M
2024 1 848 $13M

Nearby 401(k) Plans in Oklahoma

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

Frequently Asked Questions

How much money is in the Isti Plant Services 401(k) Retirement Plan?
As of the 2022 Form 5500 filing, Isti Plant Services 401(k) Retirement Plan holds $9M in total assets with 629 participants. It is sponsored by Insulation Specialists of Tulsa Inc.
What type of plan is Isti Plant Services 401(k) Retirement Plan?
Isti Plant Services 401(k) Retirement Plan is a 401(k) plan. It has been effective since 2019-01-01. The plan is filed with the U.S. Department of Labor under EIN 731513570.
Who sponsors the Isti Plant Services 401(k) Retirement Plan?
Isti Plant Services 401(k) Retirement Plan is sponsored by Insulation Specialists of Tulsa Inc, located in Oklahoma. The sponsor's EIN is 731513570 and the plan operates in the Construction industry.
How did Isti Plant Services 401(k) Retirement Plan perform in 2022?
Isti Plant Services 401(k) Retirement Plan declined by 5.6% during 2022, moving from $10M to $9M in total assets. Net income was $-537,959.
Where can I find official filings for Isti Plant Services 401(k) Retirement Plan?
Official Form 5500 filings for Isti Plant Services 401(k) Retirement Plan are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 731513570 or plan name at efast.dol.gov.
How does Isti Plant Services 401(k) Retirement Plan compare to other plans?
You can compare Isti Plant Services 401(k) Retirement Plan against other 401(k) plans on the plan type page, or view plans in Oklahoma on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.

Explore PlainRetire

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 731513570.

Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.

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