Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Apr 1977.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
75 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
22 people listed on the 990; $212K paid to officers and key staff (Part VII, Section A).
Compensation history total reportable pay by year · 1 named individual · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|---|
| Theresa Engler | $211,600 | $200,000 | $188,000 | $185,000 | $164,423 | $156,043 |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
See Deep Foundations Institute executive salaries →Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Unites industry experts to advance deep foundations through collaboration, education, and shared vision.
Questions for Deep Foundations Institute
Your first name shows with your question. Deep Foundations Institute answers here, for everyone.
Program service related expenses include annual meetings, specialworkshops, and research for the education and development of coursesfor the membership and engineers who are responsible for building anddevelopment of deep foundations for highrise buildings and specialconstruction projects throughout the world.
Form 990 Part III, line 4, FY2025. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 22-2145952) · Dispute this lineFunders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $484K | $601K |
| InvestmentsLn 11–13 | $2.6M | $2.9M |
| Land, buildings, equipmentLn 10c | $355K | $339K |
| Total assetsLn 16 | $4.0M | $4.4M |
| LiabilitiesLn 26 | $1.4M | $1.5M |
| Net assetsLn 32 | $2.5M | $2.9M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Pay of officers and key staff (Part IX, line 5)Ln 5 | $235K | $118K | $118K | |
| Other salaries and wagesLn 7 | $889K | $445K | $445K | |
| Pension plan contributionsLn 8 | $20K | $10K | $10K | |
| Other employee benefitsLn 9 | $140K | $70K | $70K | |
| Payroll taxesLn 10 | $93K | $46K | $46K | |
| Other fees for servicesLn 11g | $145K | $46K | $99K | |
| Office expensesLn 13 | $109K | $54K | $54K | |
| OccupancyLn 16 | $29K | $14K | $14K | |
| TravelLn 17 | $15K | $15K | ||
| Conferences, conventions and meetingsLn 19 | $2.6M | $2.4M | $195K | |
| Depreciation, depletion and amortizationLn 22 | $115K | $58K | $58K | |
| Other expenses (24a–d)Ln 24 | $119K | $88K | $32K | |
| All other expensesLn 24e | $3K | $1K | $2K | |
| Total functional expensesLn 25 | $4.6M | $3.4M | $1.2M | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest ViewingFiled with the IRS Jul 15, 2026 | $4.8M | $4.6M | $218K | $2.9M | 990 PDF |
| FY2024Filed with the IRS Aug 13, 2025 | $4.0M | $3.7M | $267K | $2.5M | 990 PDF |
| FY2023Filed with the IRS May 30, 2024 | $4.0M | $4.2M | −$194K | $2.2M | 990 PDF |
| FY2022Filed with the IRS Aug 14, 2023 | $3.6M | $4.0M | −$339K | $2.2M | 990 PDF |
| FY2021Filed with the IRS Jul 18, 2022 | $3.1M | $3.0M | $95K | $3.0M | 990 PDF |
| FY2020Filed with the IRS May 11, 2021 | $1.8M | $2.0M | −$187K | $2.7M | 990 PDF |
Schedules filed Part IV
See the full FY2025 990
Part I · Summary $4,768,709 revenue, 12 lines filed
Part VI · Governance 21 of 21 board members independent, no flags
Part VIII · Statement of revenue $4,768,709 across 6 lines filed
Part IX · Statement of functional expenses $4,550,240 across 13 lines filed
Part X · Balance sheet $4,441,950 assets, 15 lines filed
Part XI · Reconciliation of net assets $2,936,113 net assets at year end
Form 990 e-file FY2025 from the IRS (about our sources) · Classification, formation year and address from the IRS Business Master File
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