Nonprofit · EIN 74-1070544
SOUTHWEST RESEARCH INSTITUTE
Tax-exempt · SAN ANTONIO, TX 78238
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 26, 2025 | 990 | $978,595,721 | $935,178,709 | $43,417,012 | $1,171,739,703 | $290,553,935 | $881,185,768 |
| September 27, 2024 | 990 | $926,409,362 | $892,381,723 | $34,027,639 | $1,124,893,515 | $302,307,283 | $822,586,232 |
| September 29, 2023 | 990 | $855,635,746 | $811,796,809 | $43,838,937 | $1,020,250,704 | $255,543,678 | $764,707,026 |
Financial details: 990 for the year ended September 26, 2025
Revenue
- Contributions, gifts and grants
- $182,788
- Program service revenue
- $967,808,948
- Investment income
- $10,096,879
- Royalties
- $400,050
- Net rental income
- $107,056
- Net gain from sales of assets
- -$307,372
- Other revenue
- $507,106
Expenses
- Grants and similar amounts paid
- $640,152
- Compensation of officers, directors and key employees
- $12,690,111
- Other salaries and wages
- $366,631,003
- Salaries, compensation and benefits (total)
- $479,802,286
- Professional fundraising fees
- $0
- Legal fees
- $3,059,362
- Accounting fees
- $404,462
- Occupancy
- $24,202,280
- Travel
- $6,409,171
- Depreciation
- $39,029,897
- Program services (functional)
- $790,790,766
- Management and general (functional)
- $144,387,943
Balance sheet and other
- Total assets, start of year
- $1,124,893,515
- Total assets, end of year
- $1,171,739,703
- Total liabilities, end of year
- $290,553,935
- Net assets, end of year
- $881,185,768
- Land, buildings and equipment
- $589,683,352
- Net assets without donor restrictions
- $881,185,768
- Gross unrelated business income
- $71,059,787
- Gross receipts
- $979,169,504
- Employees
- 3,529
- Year formed
- 1966
- State of legal domicile
- TX
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 September 26, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Adam Hamilton | Pres./CEO/Dir. Trustee or director, Officer | 40 | $1,739,762 | $59,319 |
| Walter D Downing Jr | Exec.VP/COO/Dir Trustee or director, Officer | 40 | $1,028,204 | $62,675 |
| James L Burch | Sr. Vice Pres. Officer | 40 | $735,603 | $60,310 |
| Robin Canup | Vice President Officer | 40 | $613,053 | $69,450 |
| Beth Ann Rafferty | CFO/Sec/VP-Fin. Officer | 40 | $623,828 | $57,790 |
| Sol A Stern | Associate VP | 40 | $595,146 | $48,555 |
| C Nils Smith | Vice President Officer | 40 | $541,304 | $68,141 |
| Scott J Bolton | Associate V.P. | 40 | $529,110 | $76,170 |
| Steven D Marty | Vice President Officer | 40 | $507,283 | $61,560 |
| Michael K McLelland | Vice President Officer | 40 | $506,483 | $59,732 |
| Monica R Trollinger | General Counsel Officer | 40 | $490,842 | $70,381 |
| Steven W Dellenback | Vice President Officer | 40 | $497,212 | $62,487 |
| Daniel W Stewart | Vice President Officer | 40 | $481,692 | $68,066 |
| Stephan A Fuselier | Executive Director | 40 | $487,875 | $37,133 |
| Anthony Magaro | Vice President Officer | 40 | $426,178 | $61,806 |
22 more people on this return
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Harold F Levison | Program Director | 40 | $417,175 | $57,878 |
| Jim R Keys | Vice President Officer | 40 | $423,012 | $47,286 |
| Ben H Thacker | Vice President Officer | 40 | $391,113 | $58,574 |
| Joe A McDonough | Vice President Officer | 40 | $369,806 | $65,412 |
| Paul Easley | Vice President Officer | 40 | $375,831 | $54,912 |
| Brian J Schimmoller | Pres/CEO SSLLC | 40 | $370,716 | $13,448 |
| Delia Aguilar | Treas./Asst.Sec Officer | 40 | $330,310 | $43,236 |
| Jose Navarro | VP until 12/24 Officer | 40 | $296,109 | $62,727 |
| J Dan Bates-See Sch J Part II | Director Trustee or director | 2 | $344,731 | $0 |
| Byrl B Brockman | Asst. Treasurer Officer | 40 | $268,031 | $60,473 |
| Jan Newton | Director-Chair Trustee or director | 4 | $73,250 | $0 |
| Milton B Lee II | Director Trustee or director | 3 | $47,500 | $0 |
| Phillip J Pfeiffer | Director Trustee or director | 3 | $45,000 | $0 |
| Phillip D Green | Director Trustee or director | 3 | $45,000 | $0 |
| Kimberly S Lubel | Director-ViceCh Trustee or director | 3 | $45,000 | $0 |
| Wayne S Alexander | Director Trustee or director | 2 | $40,000 | $0 |
| Eugene L Ames | Director Trustee or director | 2 | $40,000 | $0 |
| Sam G Dawson | Director Trustee or director | 2 | $40,000 | $0 |
| Esperanza Hope Andrade | Director Trustee or director | 2 | $40,000 | $0 |
| Robert G Newman | Director Trustee or director | 2 | $40,000 | $0 |
| Ricardo Romo | Former Director | 0 | $20,000 | $0 |
| David S Zachry | Director Trustee or director | 2 | $0 | $0 |
990 for the year ended September 27, 2024: 39 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Adam Hamilton | President/CEO/Director Trustee or director, Officer | 40 | $1,661,889 | $56,831 |
| Walter D Downing Jr | Exec VP/COO/Director Trustee or director, Officer | 40 | $1,020,498 | $58,956 |
| James L Burch | Senior Vice President Officer | 40 | $735,215 | $57,665 |
| Beth Ann Rafferty | CFO/Secretary/VP-Finance Officer | 40 | $593,011 | $54,770 |
| Sol A Stern | Associate Vice President Highest-paid employee | 40 | $568,462 | $56,310 |
| C Nils Smith | Vice President Officer | 40 | $522,984 | $65,004 |
| Scott J Bolton | Associate Vice President Highest-paid employee | 40 | $510,829 | $72,038 |
| Robin Canup | Vice President Officer | 40 | $502,992 | $65,301 |
| Steven D Marty | Vice President Officer | 40 | $499,729 | $58,387 |
| Steven W Dellenback | Vice President Officer | 40 | $482,465 | $59,688 |
| Daniel W Stewart | Vice President Officer | 40 | $465,826 | $64,931 |
| Monica R Trollinger | General Counsel Officer | 40 | $458,288 | $67,215 |
| Stephan A Fuselier | Executive Director Highest-paid employee | 40 | $457,963 | $35,487 |
| Michael K McLelland | Vice President Officer | 40 | $412,233 | $57,084 |
| Anthony Magaro | Vice President Officer | 40 | $401,279 | $57,880 |
| Harold F Levinson | Program Director Highest-paid employee | 40 | $390,009 | $65,149 |
| Ben H Thacker | Vice President Officer | 40 | $394,772 | $55,193 |
| Paul Easley | Vice President Officer | 40 | $365,864 | $52,924 |
| Jim R Keys | Vice President Officer | 40 | $360,666 | $44,043 |
| Brian J Schimmoller | President-Signature Science Highest-paid employee | 40 | $370,742 | $21,872 |
| Joe A McDonough | Vice President Officer | 40 | $280,860 | $61,900 |
| J Dan Bates-See Sch J Part III | Director/Former Pres- Ret. Trustee or director | 2 | $341,231 | $0 |
| Jose Navarro | Vice President (Begin 12/07/2023) Officer | 40 | $268,191 | $58,120 |
| Delia Aguilar | Treasurer & Asst. Corp Secretary Officer | 40 | $283,098 | $40,333 |
| Linda Boehme- Ret 5323 | Former Treasurer Former | 40 | $259,151 | $43,211 |
| Byrl B Brockman | Assistant Treasurer Officer | 40 | $228,777 | $57,549 |
| Sam G Dawson | Director - Chair (2023) Trustee or director | 2 | $61,750 | $0 |
| Jan Newton | Director - Chair (2024) Trustee or director | 4 | $42,500 | $0 |
| Phillip D Green | Director Trustee or director | 3 | $41,000 | $0 |
| Phillip J Pfeiffer | Director Trustee or director | 3 | $40,750 | $0 |
| Milton B Lee II | Director Trustee or director | 3 | $40,000 | $0 |
| Wayne S Alexander | Director Trustee or director | 2 | $39,000 | $0 |
| Kimberly S Lubel | Director - Vice Chair (2024) Trustee or director | 3 | $37,000 | $0 |
| Eugene L Ames | Director Trustee or director | 2 | $36,000 | $0 |
| Mary Ann Rankin | Director (Ended 12/31/2023) Trustee or director | 1 | $36,000 | $0 |
| Ricardo Romo | Director (Ended 12/31/2023) Trustee or director | 1 | $16,000 | $0 |
| David S Zachry | Director Trustee or director | 2 | $0 | $0 |
| Esperanza Hope Andrade | Director (Begin 01/01/2024) Trustee or director | 2 | $0 | $0 |
| Robert G Newman | Director (Begin 01/01/2024) Trustee or director | 2 | $0 | $0 |
990 for the year ended September 29, 2023: 40 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Adam Hamilton | President and CEO Trustee or director, Officer | 40 | $1,648,848 | $52,903 |
| Walter D Downing Jr | Exec. Vice Pres. and COO Trustee or director, Officer | 40 | $988,403 | $54,707 |
| James L Burch | Vice President Officer | 40 | $730,139 | $53,746 |
| Beth Ann Rafferty | CFO and Secretary Officer | 40 | $574,117 | $51,294 |
| Sol A Stern | Associate Vice President Highest-paid employee | 40 | $555,071 | $54,903 |
| C Nils Smith | Vice President Officer | 40 | $508,116 | $60,422 |
| Scott J Bolton | Associate Vice President Highest-paid employee | 40 | $492,643 | $64,668 |
| Robin Canup | Assistant Vice President Officer | 40 | $481,210 | $59,833 |
| Steven D Marty | Vice President Officer | 40 | $477,775 | $54,253 |
| Steven W Dellenback | Vice President Officer | 40 | $459,293 | $55,554 |
| Daniel W Stewart | Vice President Officer | 40 | $452,526 | $60,350 |
| Monica R Trollinger | General Counsel Officer | 40 | $419,911 | $62,501 |
| Stephan A Fuselier | Executive Director Highest-paid employee | 40 | $441,549 | $32,993 |
| Michael K McLelland | Vice President Officer | 40 | $399,663 | $53,151 |
| Harold F Levinson | Program Director Highest-paid employee | 40 | $372,936 | $62,585 |
| Anthony Magaro | Vice President Officer | 40 | $368,098 | $55,371 |
| Paul Easley | Vice President Officer | 40 | $350,515 | $51,271 |
| Brian J Schimmoller | President-Signature Science Highest-paid employee | 40 | $381,905 | $19,004 |
| Michael MacNaughton | Former- Vice President Ret. 9/30/22 Former | 40 | $369,095 | $27,639 |
| Ben H Thacker | Vice President Officer | 40 | $304,719 | $53,237 |
| Jim R Keys | Vice President Officer | 40 | $306,637 | $42,374 |
| J Dan Bates-See Sch J Part III | Director/Former Pres- Ret. Trustee or director | 3 | $341,231 | $0 |
| Linda Boehme | Treasurer Officer | 40 | $290,497 | $50,168 |
| Delia Aguilar | Treasurer Officer | 40 | $266,074 | $37,168 |
| Joe A McDonough | Vice President Officer | 40 | $231,237 | $54,722 |
| Byrl B Brockman | Assistant Treasurer Officer | 40 | $213,293 | $54,731 |
| Kenneth H Bennett Jr | Former-V.P. Eff. Sept 2022 Former | 40 | $224,551 | $21,842 |
| Mary Massey | Former- Vice President Ret. 3/4/22 Former | 40 | $199,335 | $9,837 |
| Sam G Dawson | Chairman Trustee or director | 3 | $59,500 | $0 |
| Milton B Lee II | Director Trustee or director | 3 | $43,250 | $0 |
| Jan Newton | Vice Chairman Trustee or director | 3 | $40,750 | $0 |
| John C Korbell | Director Trustee or director | 3 | $39,750 | $0 |
| Phillip D Green | Director Trustee or director | 2 | $37,000 | $0 |
| Wayne S Alexander | Director Trustee or director | 3 | $36,000 | $0 |
| Phillip J Pfeiffer | Director Trustee or director | 2 | $35,500 | $0 |
| Kimberly S Lubel | Director Trustee or director | 2 | $34,500 | $0 |
| Eugene L Ames | Director Trustee or director | 2 | $33,000 | $0 |
| Ricardo Romo | Director Trustee or director | 2 | $31,500 | $0 |
| Mary Ann Rankin | Director Trustee or director | 2 | $31,500 | $0 |
| David S Zachry | Director Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 6220 CULEBRA RD, SAN ANTONIO, TX 78238-5166
- Principal officer (990 for 2024)
- Beth Ann Rafferty, 6220 Culebra Road, San Antonio, TX 78238
- Signed the 990
- Beth Ann Rafferty, CFO & VP of Finance
- Phone
- (210) 522-2077
- Website
- www.swri.org
- Return prepared by
- Ernst & Young US LLP
Mission
Southwest Reseach Institute(SwRI) exists to benefit government, industry & the public by conducting innovative applied & basic research; developing/transferring technology; establishing, maintaining & operating research facilities; & providing a challenging and rewarding work environment to fulfill its scientific, charitable, testing for public safety, literary and educational purposes.
Program accomplishments
- Southwest Research Institute exists to benefit government, industry and the public by conducting innovative applied and basic research developing/transferring technology; establishing, maintaining and operating research facilities; and providing a challenging and rewarding work environment to fulfill its scientific, charitable, testing for public safety, literary and educational purposes. During fiscal year 2025, research yielded 376 papers published, 507 technical presentations, 21 technical podcasts, 58 webinars, and 36 streaming technical media presentations, as well as 26 U.S. patent awards, 29 U.S. patent applications filed, and 42 invention disclosures submitted. Areas of research and development included chemistry and chemical engineering, fire safety technology, automotive engineering, powertrain engineering, emissions, space systems, planetary science, fuels and lubricants, intelligent systems, applied power, applied physics, space science, defense and intelligence solutions, material science, structural mechanical engineering, and solar system science and exploration. The 2025 Annual Report is available at https://www.swri.org/newsroom/annual-report/2025/2025-annual-report. Additional information regarding federal government technical programs is available by searching for Southwest Research Institute's single audit at http://harvester.census.gov/facdissem/. As a nonprofit research and development organization, SwRI invests in innovation, using our robust internal research and development (IR&D) program to expand and enhance our expertise and encourage our staff's professional growth. In 2025, SwRI initiated 140 IR&D new projects, investing more than $13 million in internal research, including quick-look and focused research programs. IR&D fulfills the Institute's objective of conducting innovative activities for the benefit of industry, the government and humankind. Through internal research, we increase our technical capabilities, expand our reputation as a leader in science and technology, and invest in technology our clients may need in the future. The program also allows engineers and scientists to grow in their technical fields by providing freedom to explore innovative and unproven concepts. Internal Research Projects for 2025 are described at https://www.swri.org/newsroom/annual-report/2025/2025-annual-report.Expenses $790,790,766 · grants $640,152 · revenue $967,529,645
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 74-1070544
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2006
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U990)
- Assets (IRS master file)
- $1,171,739,703
- Income (IRS master file)
- $979,169,504
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $978,595,721 | $935,178,709 | $1,171,739,703 | XML |
| 990-T | September 2025 | – | – | – | IRS |
| 990 | September 2024 | $926,409,362 | $892,381,723 | $1,124,893,515 | XML |
| 990-T | September 2024 | – | – | – | IRS |
| 990 | September 2023 | $855,635,746 | $811,796,809 | $1,020,250,704 | XML |
| 990-T | September 2023 | – | – | – | IRS |
| 990 | September 2022 | $800,924,085 | $762,558,422 | $937,978,813 | IRS |
| 990-T | September 2022 | – | – | – | IRS |
| 990 | September 2021 | – | – | – | IRS |
| 990-T | September 2021 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | IRS |
| 990 | September 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 74-1070544).
Questions about SOUTHWEST RESEARCH INSTITUTE
- What is the EIN of SOUTHWEST RESEARCH INSTITUTE?
- The employer identification number (EIN) of SOUTHWEST RESEARCH INSTITUTE is 74-1070544.
- Is SOUTHWEST RESEARCH INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to SOUTHWEST RESEARCH INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOUTHWEST RESEARCH INSTITUTE 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 SOUTHWEST RESEARCH INSTITUTE due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SOUTHWEST RESEARCH INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who is the principal officer of SOUTHWEST RESEARCH INSTITUTE?
- The 990 for the year ended September 26, 2025 names Beth Ann Rafferty.
- Who are the officers and directors of SOUTHWEST RESEARCH INSTITUTE?
- The 990 for the year ended September 26, 2025 lists 37 people; 36 received compensation from the organization, the highest $1,739,762 (Adam Hamilton, Pres./CEO/Dir.).
- How much revenue does SOUTHWEST RESEARCH INSTITUTE have?
- On its 990 for the year ended September 26, 2025 it reported revenue of $978,595,721, expenses of $935,178,709 and total assets of $1,171,739,703 at year end.
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