Nonprofit · EIN 73-0125920
AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS
Tax-exempt · TULSA, OK 74119
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $16,277,338 | $15,303,411 | $973,927 | $19,877,130 | $6,849,680 | $13,027,450 |
| June 30, 2024 | 990 | $15,098,993 | $15,940,451 | -$841,458 | $18,969,531 | $7,891,097 | $11,078,434 |
| June 30, 2023 | 990 | $12,559,006 | $13,849,838 | -$1,290,832 | $19,381,691 | $8,122,976 | $11,258,715 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $1,637,308
- of which government grants
- $294,742
- Program service revenue
- $13,547,922
- Investment income
- $402,528
- Royalties
- $15,418
- Net income from sales of inventory
- $285,927
- Other revenue
- $689,580
Expenses
- Grants and similar amounts paid
- $73,972
- Compensation of officers, directors and key employees
- $721,512
- Other salaries and wages
- $2,610,256
- Salaries, compensation and benefits (total)
- $4,555,291
- Professional fundraising fees
- $0
- Legal fees
- $20,377
- Accounting fees
- $85,591
- Occupancy
- $201,259
- Travel
- $165,160
- Depreciation
- $140,122
Balance sheet and other
- Total assets, start of year
- $18,969,531
- Total assets, end of year
- $19,877,130
- Total liabilities, end of year
- $6,849,680
- Net assets, end of year
- $13,027,450
- Land, buildings and equipment
- $152,379
- Publicly traded securities
- $11,196,071
- Net assets without donor restrictions
- $13,027,450
- Gross unrelated business income
- $21,137
- Gross receipts
- $16,585,654
- Employees
- 43
- Volunteers
- 413
- Year formed
- 1917
- State of legal domicile
- CO
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DAVID K CURTISS | EXECUTIVE DIRECTOR Officer | 32 | $429,375 | $60,660 |
| ALAN T WEGENER | DIRECTOR OF GLOBAL EXPERIE Key employee | 40 | $244,774 | $49,583 |
| BRYAN A HAWS | CONTROLLER Highest-paid employee | 40 | $188,355 | $46,198 |
| SUSAN NASH | DIRECTOR OF SCIENCE & INNO Highest-paid employee | 40 | $147,555 | $43,750 |
| GRETCHEN GILLIS | PRESIDENT Trustee or director | 1 | $0 | $0 |
| STEVEN GOOLSBY | PRESIDENT-ELECT Trustee or director | 2 | $0 | $0 |
| ELVIRA GOMEZ HERNANDEZ | REGIONS V-PRES Trustee or director | 1 | $0 | $0 |
| LINDA STERNBACH | SECRETARY Trustee or director | 1 | $0 | $0 |
| JONATHAN ALLEN | TREASURER Trustee or director | 1 | $0 | $0 |
| DENIS STONE | SECTIONS V-PRES Trustee or director | 1 | $0 | $0 |
| ROBERT MERRILL | EDITOR Trustee or director | 1 | $0 | $0 |
| KRISTIE LUCHTEL FERGUSON | CHAIR HOD Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2024: 12 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DAVID K CURTISS | EXECUTIVE DIRECTOR Officer | 32 | $293,378 | $52,400 |
| ALAN T WEGENER | DIRECTOR OF GLOBAL EXPERIE Key employee | 40 | $229,191 | $50,048 |
| BRYAN A HAWS | CONTROLLER Highest-paid employee | 40 | $148,602 | $45,213 |
| SUSAN NASH | DIRECTOR OF SCIENCE & INNO Highest-paid employee | 40 | $135,549 | $43,830 |
| DEBORAH SACREY | PRESIDENT-ELECT Trustee or director | 2 | $0 | $0 |
| CLAUDIA HACKBARTH | PRESIDENT Trustee or director | 1 | $0 | $0 |
| SA'ID AL HAJIRI | REGIONS V-PRES Trustee or director | 1 | $0 | $0 |
| REBECCA DODGE | SECTIONS V-PRES Trustee or director | 1 | $0 | $0 |
| MATTHEW PRANTER | EDITOR Trustee or director | 1 | $0 | $0 |
| SARAH BARNES | SECRETARY Trustee or director | 1 | $0 | $0 |
| ALI SLOAN | TREASURER Trustee or director | 1 | $0 | $0 |
| ROBERT ARCHER | CHAIR HOD Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 12 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DAVID K CURTISS | EXECUTIVE DIRECTOR Officer | 32 | $261,237 | $51,817 |
| ALAN T WEGENER | DIRECTOR OF GLOBAL EXPERIE Key employee | 40 | $218,856 | $49,274 |
| BRYAN A HAWS | CONTROLLER Highest-paid employee | 40 | $138,723 | $44,466 |
| SUSAN NASH | DIRECTOR OF SCIENCE & INNO Highest-paid employee | 40 | $117,282 | $43,180 |
| CLAUDIA HACKBARTH | PRESIDENT-ELECT Trustee or director | 2 | $0 | $0 |
| STEVEN GOOLSBY | PRESIDENT Trustee or director | 1 | $0 | $0 |
| ELVIRA GOMEZ HERNANDEZ | REGIONS V-PRES Trustee or director | 1 | $0 | $0 |
| REBECCA DODGE | SECTIONS V-PRES Trustee or director | 1 | $0 | $0 |
| MATTHEW PRANTER | EDITOR Trustee or director | 1 | $0 | $0 |
| JONATHAN ALLEN | SECRETARY Trustee or director | 1 | $0 | $0 |
| ALI SLOAN | TREASURER Trustee or director | 1 | $0 | $0 |
| JUSTIN VANDENBRINK | CHAIR HOD Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1444 S BOULDER AVE, TULSA, OK 74119-3604
- Principal officer (990 for 2024)
- TOM WILKER, 1444 SOUTH BOULDER PO BOX 979, TULSA, OK 74101
- Signed the 990
- TOM WILKER, EXECUTIVE DIRECTOR
- Phone
- (918) 584-2555
- Website
- WWW.AAPG.ORG
- Return prepared by
- HOGANTAYLOR LLP
Mission
THE AMERICAN ASSOCIATION OF PETROLEUM GEOLOGY IS A SCIENTIFIC ORGANIZATION DEDICATED TO THE ADVANCEMENT OF THE SCIENCE OF PETROLEUM GEOLOGY.
Program accomplishments
- EDUCATION SEMINARS - TO PROMOTE EDUCATION AND PROVIDE A FORUM FOR DISSEMINATION OF CURRENT DEVELOPMENTS WITHIN THE FIELD OF PETROLEUM GEOLOGY AND FOR THE ADVANCEMENT OF THE SCIENCE OF PETROLEUM GEOLOGY.
- MEETINGS & CONVENTIONS - TO PROVIDE AN ORGANIZED GATHERING FOR STUDENTS AND PROFESSIONALS TO LEARN AND REVIEW THE TECHNOLOGY USED IN THE ADVANCEMENT OF PETROLEUM GEOLOGY.
- SCIENTIFIC PUBLICATIONS AND PERIODICALS - SCIENCE REFERENCE AND TRAINING MANUALS AND MONTHLY BULLETIN AND EXPLORER PERIODICALS.
- ENERGY MINERALS DIVISION - TO PROVIDE A FORUM FOR RESEARCH AND DISCUSSION FOR GEOLOGISTS INVOLVED IN THE EXPLORATION OF OIL AND NATURAL GAS.
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 73-0125920
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1943
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $19,877,130
- Income (IRS master file)
- $16,585,654
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $16,277,338 | $15,303,411 | $19,877,130 | IRS |
| 990 | June 2024 | $15,098,993 | $15,940,451 | $18,969,531 | XML |
| 990 | June 2023 | $12,559,006 | $13,849,838 | $19,381,691 | XML |
| 990 | June 2022 | $15,139,266 | $13,508,218 | $17,915,485 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 73-0125920).
Questions about AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS
- What is the EIN of AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS?
- The employer identification number (EIN) of AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS is 73-0125920.
- Is AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1943.
- Are donations to AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS?
- The 990 for the year ended June 30, 2025 names TOM WILKER.
- Who are the officers and directors of AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS?
- The 990 for the year ended June 30, 2025 lists 12 people; 4 received compensation from the organization, the highest $429,375 (DAVID K CURTISS, EXECUTIVE DIRECTOR).
- How much revenue does AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $16,277,338, expenses of $15,303,411 and total assets of $19,877,130 at year end.
Other nonprofits in TULSA
- SAINT FRANCIS HOSPITAL INC EIN 73-0700090 · last filed 990 for 2025
- ST JOHN MEDICAL CENTER INC EIN 73-0579286 · last filed 990 for 2025
- GEORGE KAISER FAMILY FOUNDATION EIN 73-1574370 · last filed 990 for 2024
- UNIVERSITY OF TULSA EIN 73-0579298 · last filed 990 for 2025
- TULSA COMMUNITY FOUNDATION EIN 73-1554474 · last filed 990 for 2024
- CHARLES AND LYNN SCHUSTERMAN FAMILY FOUNDATION EIN 73-1312965 · last filed 990-PF for 2024
- WARREN CLINIC INC EIN 73-1310891 · last filed 990 for 2025
- SAINT FRANCIS HOSPITAL SOUTH LLC EIN 01-0603214 · last filed 990 for 2025