Nonprofit · EIN 81-3135479
WYOMING DINOSAUR CENTER
Tax-exempt · THERMOPOLIS, WY 82443
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $371,616 | $436,442 | -$64,826 | $1,842,830 | $336,667 | $1,506,163 |
| December 31, 2024 | 990 | $619,596 | $721,240 | -$101,644 | $1,883,572 | $312,583 | $1,570,989 |
| December 31, 2023 | 990 | $895,499 | $1,065,482 | -$169,983 | $2,026,095 | $353,462 | $1,672,633 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $10,429
- Program service revenue
- $272,914
- Investment income
- $2,288
- Royalties
- $99
- Other revenue
- $85,985
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $190,783
- Salaries, compensation and benefits (total)
- $211,550
- Professional fundraising fees
- $0
- Accounting fees
- $8,431
- Occupancy
- $3,867
- Travel
- $12,190
- Depreciation
- $22,939
- Program services (functional)
- $436,442
Balance sheet and other
- Total assets, start of year
- $1,883,572
- Total assets, end of year
- $1,842,830
- Total liabilities, end of year
- $336,667
- Net assets, end of year
- $1,506,163
- Land, buildings and equipment
- $1,484,548
- Publicly traded securities
- $9,000
- Net assets without donor restrictions
- $1,506,163
- Gross receipts
- $371,616
- Employees
- 8
- Year formed
- 2016
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANGIE GUYON | PRESIDENT Trustee or director, Officer | 40 | $81,250 |
| LONDON JENKS | BOARD MEMBER Trustee or director | 2 | $0 |
| JANET CHIMENTI | SECRETARY Officer | 2 | $0 |
| DAVID KOERWITZ | TREASURER Officer | 2 | $0 |
990 for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANGIE GUYON | PRESIDENT Trustee or director, Officer | 40 | $84,875 |
| LONDON JENKS | BOARD MEMBER Trustee or director | 2 | $0 |
| HOWIE SAMELSON | BOARD MEMBER Trustee or director | 2 | $0 |
| JANET CHIMENTI | SECRETARY Officer | 2 | $0 |
| DAVID KOERWITZ | TREASURER Officer | 2 | $0 |
990 for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANGIE GUYON | PRESIDENT Trustee or director, Officer | 40 | $81,250 |
| LONDON JENKS | BOARD MEMBER Trustee or director | 2 | $0 |
| ROBERT KRISKO | BOARD MEMBER Trustee or director | 2 | $0 |
| HOWIE SAMELSON | BOARD MEMBER Trustee or director | 2 | $0 |
| JANET CHIMENTI | SECRETARY Officer | 2 | $0 |
| DAVID KOERWITZ | TREASURER Officer | 2 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 351, THERMOPOLIS, WY 82443-0351
- In care of
- % ANGELA GUYON
- Principal officer (990 for 2025)
- ANGIE GUYON, 110 CARTER RANCH RD, THERMOPOLIS, WY 82443
- Signed the 990
- ANGIE GUYON, PRESIDENT
- Phone
- (307) 864-2997
- Return prepared by
- MICHEL & MOLINE CPAS
Mission
TO DISPLAY, PROMOTE, EDUCATE, AND MAINTAIN INTEREST IN THE SCIENCES OF PALEONTOLOGY, GEOLOGY, NATURAL HISTORY AND GEOGRAPHY THROUGH A MUSEUM, EXCAVATION AND PREPARATION PROGRAMS AND EDUCATIONAL NEWSLETTER.
Program accomplishments
- THE ENTITY DISPLAYED, PROMOTED, EDUCATED, AND MAINTAINED INTEREST IN THE SCIENCES OF PALEONTOLOGY, GEOLOGY, NATURAL HISTORY, AND GEOGRAPHY THROUGH A MUSEUM, EXCAVATION AND PREPARATION PROGRAMS, AND AN EDUCATIONAL NEWLETTER.Expenses $436,442
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 81-3135479
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2017
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A50)
- Assets (IRS master file)
- $1,842,830
- Income (IRS master file)
- $371,616
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $371,616 | $436,442 | $1,842,830 | IRS |
| 990 | December 2024 | $619,596 | $721,240 | $1,883,572 | XML |
| 990 | December 2023 | $895,499 | $1,065,482 | $2,026,095 | XML |
| 990 | December 2022 | $1,002,918 | $906,194 | $2,337,620 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 81-3135479).
Questions about WYOMING DINOSAUR CENTER
- What is the EIN of WYOMING DINOSAUR CENTER?
- The employer identification number (EIN) of WYOMING DINOSAUR CENTER is 81-3135479.
- Is WYOMING DINOSAUR CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to WYOMING DINOSAUR CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WYOMING DINOSAUR CENTER 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 WYOMING DINOSAUR CENTER due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WYOMING DINOSAUR CENTER last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of WYOMING DINOSAUR CENTER?
- The 990 for the year ended December 31, 2025 names ANGIE GUYON.
- Who are the officers and directors of WYOMING DINOSAUR CENTER?
- The 990 for the year ended December 31, 2025 lists 4 people; 1 received compensation from the organization, the highest $81,250 (ANGIE GUYON, PRESIDENT).
- How much revenue does WYOMING DINOSAUR CENTER have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $371,616, expenses of $436,442 and total assets of $1,842,830 at year end.
Other nonprofits in THERMOPOLIS
- BUFFALO CREEK LODGE EIN 27-3660445 · last filed 990 for 2025
- FRIENDS OF HOT SPRINGS COUNTY LIBRARY INC EIN 45-5245144 · last filed 990-N for 2024
- HOT SPRINGS COUNTY HOSPITAL DIST EIN 83-6000182 · last filed 990 for 2025
- BIG HORN ENTERPRISES INC EIN 83-0257844 · last filed 990 for 2025
- WILLIAM H AND CARRIE GOTTSCHE FOUNDATION EIN 83-0182821 · last filed 990 for 2025
- HOT SPRINGS COUNTY SENIOR CITIZENS CENTER INC EIN 83-0217269 · last filed 990 for 2025
- CANYON VILLAGE SENIOR CITIZEN HOUSING INC EIN 83-0208065 · last filed 990 for 2025
- LEGION TOWN AND COUNTRY CLUB INC EIN 83-0197401 · last filed 990 for 2025
All nonprofits in THERMOPOLIS · Wyoming · Arts, culture and humanities