International Association of Heat & Frost Insulators & Allied Workers
501(c)(5)
Only null% goes to programs Strong reserves Growing revenue
International Association of Heat & Frost Insulators & Allied Workers is a 501(c)(5) organization based in Tinley Park, Illinois, registered in 1967, with $5,986,390 in FY2025 revenue. CharityIndex grades it B.
18520 Spring Creek Dr Suite U, Tinley Park, IL, 60477 EIN 36-0750325 Since 1967
Revenue (FY2025)
$6.0M
▲ 5.8% vs prior year
Expenses (FY2025)
$5.1M
Net assets
$11.7M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
★★★★
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for International Association of Heat & Frost Insulators & Allied Workers— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
AFinancial health25% of the rating28 mo reserves · +16% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For International Association of Heat & Frost Insulators & Allied Workers: 28 mo reserves · +16% margin earns a A on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for International Association of Heat & Frost Insulators & Allied Workers— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For International Association of Heat & Frost Insulators & Allied Workers: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Contact & location
- Address
- 18520 Spring Creek Dr Suite U, Tinley Park, IL, 60477
- City
- Tinley Park
- State
- Illinois
- Category
- —
- Subcategory
- —
- Website
- …
Financial trends
Revenue declined from $8.2M (FY2013) to $6.0M (FY2025) across 13 reported years.
Financial snapshot
Financial health & position (FY2025)
Liabilities $0Net assets $11.7M
Operating margin
15.6%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$11.7M
Total liabilities
$0
Net assets
$11.7M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $5,986,390▲5.8% | $5,055,293▼10.0% | $11,650,448▲8.7% | $11,650,448▲8.6% | 990 |
| 2024 | $5,660,298▲10.7% | $5,615,672▲12.2% | $10,719,351▲0.4% | $10,723,615▲0.4% | 990 |
| 2023 | $5,111,512▲7.4% | $5,005,732▲3.7% | $10,674,725▲1.0% | $10,681,312▲1.1% | 990 |
| 2022 | $4,758,316▼1.2% | $4,826,997▲8.5% | $10,568,945▼0.6% | $10,568,945▼0.6% | 990 |
| 2021 | $4,817,108▲14.8% | $4,448,998▲4.9% | $10,637,626▲3.6% | $10,637,626▲0.3% | 990 |
| 2020 | $4,196,186▼6.1% | $4,241,333▼3.1% | $10,269,516▼0.4% | $10,605,184▼1.3% | 990 |
| 2019 | $4,469,380▼3.6% | $4,377,594▼5.6% | $10,314,663▲0.9% | $10,745,224 | 990 |
| 2018 | $4,637,533▲1.6% | $4,636,246▲2.0% | $10,222,877 | $10,744,847▼0.8% | 990 |
| 2017 | $4,564,395▼3.8% | $4,546,541▼5.4% | $10,221,590▲0.6% | $10,832,492▼0.3% | 990 |
| 2016 | $4,746,809▲2.6% | $4,807,654▼0.4% | $10,163,105▼0.6% | $10,860,625▼1.3% | 990 |
| 2015 | $4,628,249▼12.6% | $4,826,254▲7.7% | $10,223,950▼1.9% | $11,003,551▼2.9% | 990 |
| 2014 | $5,298,068▼35.4% | $4,479,338▼8.9% | $10,421,955▲8.5% | $11,333,160▲6.6% | 990 |
| 2013 | $8,200,915 | $4,917,260▲7.2% | $9,603,225▲52.0% | $10,631,782▲41.7% | 990 |
| 2012 | — | $4,586,835▼4.3% | $6,319,570▲14.9% | $7,501,328▲10.3% | 990 |
| 2011 | — | $4,793,008▲28.4% | $5,501,228▲0.1% | $6,801,741▲23.6% | 990 |
| 2010 | — | $3,733,221 | $5,493,890 | $5,503,116 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Frequently asked questions
- Is International Association of Heat & Frost Insulators & Allied Workers a legitimate nonprofit?
- Yes. International Association of Heat & Frost Insulators & Allied Workers is a 501(c)(5) organization registered with the U.S. Internal Revenue Service under EIN 36-0750325, based in Tinley Park, Illinois.
- What is International Association of Heat & Frost Insulators & Allied Workers's EIN?
- International Association of Heat & Frost Insulators & Allied Workers's Employer Identification Number (EIN) is 36-0750325.
- How much revenue does International Association of Heat & Frost Insulators & Allied Workers report?
- International Association of Heat & Frost Insulators & Allied Workers reported $5,986,390 in total revenue on its fiscal year 2025 IRS Form 990 filing.
- What financial grade does International Association of Heat & Frost Insulators & Allied Workers have?
- CharityIndex grades International Association of Heat & Frost Insulators & Allied Workers B, based on financial health (reserves and operating margin).
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Data for International Association of Heat & Frost Insulators & Allied Workers (EIN 36-0750325) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.