Nonprofit · EIN 91-2154725
EFFICIENCY VALUATION ORGANIZATION
Tax-exempt · WASHINGTON, DC 20006
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $409,971 | $374,796 | $35,175 | $199,641 | $22,644 | $176,997 |
| December 31, 2024 | 990 | $429,723 | $442,239 | -$12,516 | $167,136 | $23,636 | $143,500 |
| December 31, 2023 | 990 | $347,126 | $443,152 | -$96,026 | $196,430 | $37,126 | $159,304 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $20,500
- Program service revenue
- $389,471
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $132,126
- Salaries, compensation and benefits (total)
- $132,126
- Professional fundraising fees
- $0
- Legal fees
- $512
- Accounting fees
- $12,550
- Travel
- $6,741
- Depreciation
- $430
- Program services (functional)
- $227,556
- Management and general (functional)
- $147,240
Balance sheet and other
- Total assets, start of year
- $167,136
- Total assets, end of year
- $199,641
- Total liabilities, end of year
- $22,644
- Net assets, end of year
- $176,997
- Net assets without donor restrictions
- $176,997
- Gross receipts
- $409,971
- Employees
- 0
- Volunteers
- 82
- Year formed
- 2001
- State of legal domicile
- DC
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 |
|---|---|---|---|
| DENIS TANGUAY | EXECUTIVE DIRECTOR Trustee or director | 40 | $132,126 |
| MARK LISTER | CHAIR Trustee or director, Officer | 2 | $0 |
| DONALD GILLIGAN | VICE CHAIR Trustee or director, Officer | 1 | $0 |
| THOMAS K DREESSEN | TREASURER Trustee or director, Officer | 1.5 | $0 |
| LAURA VAN WIE MCGRORY | SECRETARY Trustee or director, Officer | 1.5 | $0 |
| PHILIP COLEMAN | MEMBER Trustee or director | 1 | $0 |
| AALOK A DESHMUKH | MEMBER Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DENIS TANGUAY | EXECUTIVE DIRECTOR Trustee or director | 40 | $146,752 |
| MARK LISTER | CHAIR Trustee or director, Officer | 2 | $0 |
| DONALD GILLIGAN | VICE CHAIR Trustee or director, Officer | 1 | $0 |
| THOMAS K DREESSEN | TREASURER Trustee or director, Officer | 1.5 | $0 |
| LAURA VAN WIE MCGRORY | SECRETARY Trustee or director, Officer | 1.5 | $0 |
| PHILIP COLEMAN | MEMBER Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DENIS TANGUAY | EXECUTIVE DIRECTOR Trustee or director | 40 | $144,252 |
| MARK LISTER | CHAIR Trustee or director, Officer | 2 | $0 |
| DONALD GILLIGAN | VICE CHAIR Trustee or director, Officer | 1 | $0 |
| THOMAS K DREESSEN | TREASURER Trustee or director, Officer | 1.5 | $0 |
| LAURA VAN WIE MCGRORY | SECRETARY Trustee or director, Officer | 1.5 | $0 |
| PHILIP COLEMAN | MEMBER Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1629 K ST NW STE 300, WASHINGTON, DC 20006-1631
- In care of
- % ELLEN D RILEY
- Principal officer (990 for 2025)
- THOMAS K DREESSEN, 1629 K STREET NW 300, WASHINGTON, DC 20006
- Signed the 990
- THOMAS K DREESSEN, TREASURER
- Phone
- (202) 738-4639
- Website
- WWW.EVO-WORLD.ORG
- Return prepared by
- MAILLIE LLP
Mission
EVOS MISSION IS TO ENSURE THAT THE SAVINGS AND IMPACT OF ENERGY EFFICIENCY AND SUSTAINABILITY PROJECTS ARE ACCURATELY MEASURED AND VERIFIED.
Program accomplishments
- TRAINING & CERTIFICATION - EVO PROVIDES M&V (MEASUREMENT & VERIFICATION) TRAINING TAILORED TO THE NEEDS OF AN INTERNATIONAL AUDIENCE. WE OFFER A VARIETY OF INTRODUCTORY, INTERMEDIATE, AND ADVANCED TRAINING AND WORKSHOPS TO HELP M&V PROFESSIONALS STAY UP TO DATE ON THE LATEST TRENDS IN MEASUREMENT AND VERIFICATION. EVO IS THE EXCLUSIVE GLOBAL TRAINING BODY FOR THE PERFORMANCE MEASUREMENT AND VERIFICATION ANALYST (PMVA) AND PERFORMANCE MEASUREMENT AND VERIFICATION EXPERT (PMVE) PROGRAMS. THE RIGHT TO USE THE PMVA TITLE IS GRANTED TO THOSE WHO DEMONSTRATE M&V CAPABILITIES, INCLUDING A GOOD THEORETICAL UNDERSTANDING OF APPLYING THE IPMVP TO DETERMINE SAVINGS BY PASSING A FOUR-HOUR WRITTEN EXAM AND MEETING THE REQUIRED ACADEMIC AND PROFESSIONAL QUALIFICATIONS. THE RIGHT TO USE THE PMVE TITLE IS GRANTED TO THOSE WHO HAVE DEMONSTRATED ADVANCED APPLIED AND PRACTICAL EXPERTISE IN VARIOUS ASPECTS OF M&V IN ACCORDANCE WITH THE IPMVP BY PASSING A FOUR-HOUR WRITTEN EXAM AND MEETING THE REQUIRED ACADEMIC AND PROFESSIONAL QUALIFICATIONS. DURING 2025, 550 PARTICIPANTS ATTENDED 52 TRAINING SESSIONS, BRINGING THE NUMBER OF PMVAS TO 3208 AND THE NUMBER OF PMVE TO 83 WORLDWIDE.Expenses $117,360 · revenue $371,200
- M&V MATERIALS & SERVICES - EVO STRIVES TO SUPPORT AND PROVIDE ACCESS TO THE GLOBAL BASE OF KNOWLEDGE IN THE FIELD OF RESOURCE EFFICIENCY MEASUREMENT AND VALUATION. ENERGY EFFICIENCY PROJECTS AND PROGRAMS DIFFER AROUND THE WORLD. EVO IS UNIQUELY POSITIONED TO DEVELOP AND DISSEMINATE SUCH EDUCATION TAILORED TO THE NEEDS OF DIFFERENT REGIONS. BUILDING AN INTERNATIONAL COMMUNITY IS ALSO CRITICAL TO PROMOTING THE EFFICIENT USE OF NATURAL RESOURCES GLOBALLY. TO THIS END, EVO'S MULTI-NATIONAL BOARD OF DIRECTORS AND VOLUNTEERS-SUPPORTED COMMITTEES PARTNER WITH LIKE-MINDED ORGANIZATIONS AROUND THE WORLD. WORKING WITH SUCH GROUPS, EVO PROVIDES OUTREACH AT NUMEROUS CONFERENCES AROUND THE WORLD AND VIA INTERNATIONAL PUBLICATIONS. THANKS TO OUR INTERNATIONAL ORGANIZATIONAL SUPPORTERS, EVO CAN CONTINUE TO PROVIDE OUR PUBLICATIONS TO INDUSTRY M&V PROFESSIONALS WORLDWIDE AND TO DEVELOP AND IMPROVE M&V PROTOCOLS AND OTHER RELATED PRODUCTS AND TECHNICAL GUIDES.Expenses $58,056 · revenue $12,771
- EVO WEBSITE - EVO'S WEBSITE CONTENT IS CONTINUALLY IMPROVED TO ENABLE M&V PROFESSIONALS TO AFFILIATE WITH THE FOREMOST INDUSTRY VOICE FOR NEWS AND EVENTS AND TO STAY CURRENT WITH M&V POLICY AND PRACTICES. IT PROVIDES LINKS TO ALL THE PRODUCTS & SERVICES, UPCOMING TRAINING, AND DOCUMENTS. WEBSITE SUBSCRIBERS GAIN ACCESS TO PREMIUM CONTENT, INCLUDING THE MOST CURRENT PUBLICATIONS, M&V TOOLS, AND OTHER RESOURCES. EVO'S WEBSITE HAD 145,709 VISITS IN 2025, AVERAGING 399 SESSIONS PER DAY, OF WHICH 33.8% WERE FROM THE US. THE PERCENTAGE OF NEW VISITORS DURING THE YEAR WAS 87.2%.Expenses $52,140 · revenue $5,500
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
- 91-2154725
- 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
- 2001
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C35)
- Assets (IRS master file)
- $199,641
- Income (IRS master file)
- $409,971
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $409,971 | $374,796 | $199,641 | XML |
| 990 | December 2024 | $429,723 | $442,239 | $167,136 | XML |
| 990 | December 2023 | $347,126 | $443,152 | $196,430 | XML |
| 990 | December 2022 | $404,208 | $649,194 | $403,697 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 91-2154725).
Questions about EFFICIENCY VALUATION ORGANIZATION
- What is the EIN of EFFICIENCY VALUATION ORGANIZATION?
- The employer identification number (EIN) of EFFICIENCY VALUATION ORGANIZATION is 91-2154725.
- Is EFFICIENCY VALUATION ORGANIZATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to EFFICIENCY VALUATION ORGANIZATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does EFFICIENCY VALUATION ORGANIZATION 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 EFFICIENCY VALUATION ORGANIZATION 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 EFFICIENCY VALUATION ORGANIZATION 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 EFFICIENCY VALUATION ORGANIZATION?
- The 990 for the year ended December 31, 2025 names THOMAS K DREESSEN.
- Who are the officers and directors of EFFICIENCY VALUATION ORGANIZATION?
- The 990 for the year ended December 31, 2025 lists 7 people; 1 received compensation from the organization, the highest $132,126 (DENIS TANGUAY, EXECUTIVE DIRECTOR).
- How much revenue does EFFICIENCY VALUATION ORGANIZATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $409,971, expenses of $374,796 and total assets of $199,641 at year end.
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