Defined Benefit (Pension) · DOL Form 5500 · 2023
International Association of Heat and Frost Insulators and Allied Work Pension Plan
Data updated 2026-07-24
- $157M
- Total assets
- 387
- Participants
- 94th
- Percentile by assets
- $404,647
- Avg per participant
Official DOL plan name: International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan · Sponsored by International Association of Heat and Frost Insulators and Allied Work · Missouri · Construction
$157M in assets, 387 participants
International Association of Heat and Frost Insulators and Allied Work's International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan reported $157M in total assets and 387 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.
- 94th percentile by assets (of 126,618 plans)
What the 2023 filing shows
International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan holds $157M for 387 participants - about $404,647 per participant, in the top 10% of all filed plans by assets, up 18.1% over the 2023 plan year.
- $157M
- total plan assets (2023 EOY)
- 387
- covered participants
- 94th
- percentile by assets (of 126,618 plans)
- $404,647
- avg assets per participant
Defined Benefit (Pension) · DOL Form 5500 · 2023
What the Filing Says About International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan
International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan is a Defined Benefit (Pension) retirement plan sponsored by International Association of Heat and Frost Insulators and Allied Work, headquartered in Missouri. According to the U.S. Department of Labor's 2023 Form 5500 filing, the plan reports $157M in total end-of-year assets and covers 387 participants across the Construction industry. The sponsor's EIN on file with the U.S. Department of Labor is 436027860, and the plan has been effective since 1958-10-11. Its filing status is currently FILING RECEIVED.
Year over year, total assets grew sharply from $133M at the beginning of 2023 to $157M at year-end - up 18.1%. Net assets (after liabilities) closed the year at $157M, with reported net income of $24M 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 1 prior plan-year filing from the same sponsor shown below.
Across the 2 plan years International Association of Heat and Frost Insulators and Allied Work has on file with PlainRetire (2022-2023), sponsor-wide plan assets have moved from $133M to $157M, a gain of 18.1%, while reported participants moved from 348 to 387 (+11.2%). Year-by-year, sponsor-wide filings show: 2022 - $133M in assets across 1 plan covering 348 participants; 2023 - $157M in assets across 1 plan covering 387 participants.
By assets, International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan outranks 94% of the 126,618 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 1.6x the national average plan size of $100M and 730 average participants.
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.
How the percentile is calculated: we count every plan that filed a 2023 Form 5500 with a reported end-of-year asset figure (126,618 plans), rank International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.
Financial Summary (2023)
| Total Assets (Beginning of Year) | $133M |
|---|---|
| Total Assets (End of Year) | $157M |
| Net Assets (End of Year) | $157M |
| Net Income | $24M |
| Plan Type | Defined Benefit (Pension) |
| Employer EIN | 436027860 |
| Plan Effective Date | 1958-10-11 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (International Association of Heat and Frost Insulators and Allied Work)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 348 | $133M |
| 2023 | 1 | 387 | $157M |
Nearby Defined Benefit (Pension) Plans in Missouri
Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.
International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan vs. nearby Defined Benefit (Pension) plans in Missouri, assets vs. participants
- Boilermaker-Blacksmith National Pension Trust $7.8B · 30,358
- Ameren Retirement Plan $4.7B · 10,156
- Co-Op Retirement Plan $3.5B · 14,993
- Emerson Electric Company Retirement Plan $3.4B · 2,671
- Carpenters Pension Trust Fund of St. Louis $3.3B · 11,420
Similar-Sized Defined Benefit (Pension) Plans Nationally
Defined Benefit (Pension) plans in other states closest to International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan by total assets, not by location.
Frequently Asked Questions
How much money is in the International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan? ▼
What type of plan is International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan? ▼
Who sponsors the International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan? ▼
How did International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan perform in 2023? ▼
What this filing means
Ways to act on International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan's numbers.
- By total assets, International Association of Heat and Frost Insula and Allied Workers Local No. 1 Pension Plan ranks in the top 10% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Missouri. Compare plans
- International Association of Heat and Frost Insulators and Allied Work's sponsor-wide assets have grown 18.1% since 2022 across 2 plan years on file. More Construction plans
- A Defined Benefit (Pension) plan works differently from other retirement plan types, understand the structural differences before comparing. Compare plan types
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 436027860.
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.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-24.