| NATIONAL COUNCIL OF EXAMINERS FOR ENGINEERING AND SURVEYING | $45,696,211 | U42 | published | | Greenville, SC | 2024 |
| INTERNATIONAL COMPUTER SCIENCE INSTITUTE | $10,845,433 | U42 | inferred 0.60 | | Berkeley, CA | 2024 |
| ENGINEERING MINISTRIES INTERNATIONAL USA | $6,721,479 | U42 | published | shelter: disaster | Colorado Spgs, CO | 2024 |
| FAB FOUNDATION | $6,495,763 | U42 | published | science: research education | Boston, MA | 2024 |
| ELECTROCHEMISTRY FOUNDRY INC | $5,652,651 | U42 | published | | Castro Valley, CA | 2025 |
| SOCIETY OF PLASTICS ENGINEERS INC | $4,799,789 | U42 | published | girls boys: girl scouts | Danbury, CT | 2024 |
| KOREAN-AMERICAN SCIENTISTS AND ENGINEERS ASSOCIATION INC | $3,928,701 | U42 | published | science: research education | Vienna, VA | 2024 |
| PIONEER RESEARCH LABORATORIES | $3,570,333 | U42 | published | science: research education | San Francisco, CA | 2025 |
| NCEES FOUNDATION | $3,151,885 | U42 | published | | Greenville, SC | 2024 |
| THE ENGINEERING SOCIETY OF DETROIT | $2,354,017 | U42 | published | science: research education | Southfield, MI | 2024 |
| AMERICAN SOCIETY OF NAVAL ENGINEERS | $2,340,059 | U42 | published | | Alexandria, VA | 2022 |
| DIGITAL LIVING NETWORK ALLIANCE | $1,744,939 | U42 | inferred 0.40 | | Tualatin, OR | 2016 |
| INTERNATIONAL ASSOCIATION OF ELECTRICAL INSPECTORS | $1,707,782 | U42 | inferred 0.60 | | Richardson, TX | 2024 |
| UNIVERSITY RESEARCH FOUNDATION INC | $1,688,426 | U42 | inferred 0.60 | | Millersville, MD | 2024 |
| UNDERSEA TECHNOLOGY INNOVATION CENTER | $1,653,840 | U42 | published | | Middletown, RI | 2025 |
| ENGINEERING CENTER EDUCATION TRUST | $1,628,734 | U42 | published | science: research education | Boston, MA | 2024 |
| Northeast Advanced Vehicle ConsortiumInc | $1,358,372 | U42 | inferred 0.70 | | Boston, MA | 2016 |
| SAFE Bio-Pharma Association | $1,354,858 | U42 | inferred 0.50 | | Ormond Beach, FL | 2017 |
| URBAN AND REGIONAL INFORMATION SYSTEMS ASSOCIATION | $1,213,939 | U42 | inferred 0.60 | | Des Plaines, IL | 2025 |
| CENTER FOR THE COMMERCIALIZATION | $1,173,515 | U42 | inferred 0.60 | | Austin, TX | 2014 |
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS | $1,149,559 | U42 | inferred 0.70 | science: research education | New York, NY | 2012 |
| OPEN TRANSFORMATION LAB INC | $1,140,783 | U42 | published | women: issues | New York, NY | 2024 |
| OPEN MOBILE ALLIANCE LTD | $1,037,561 | U42 | inferred 0.50 | | San Diego, CA | 2016 |
| FORUM TO ADVANCE MINORITIES IN ENGINEERING INC | $998,175 | U42 | published | science: research education | Wilmington, DE | 2024 |
| WASHINGTON AREA COUNCIL OF ENGINEERING LABORATORIES INC | $910,601 | U42 | inferred 0.50 | | Bethesda, MD | 2025 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $878,589 | U42 | published | | Austin, TX | 2024 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $715,976 | U42 | published | | Boston, MA | 2024 |
| MRG LABS | $693,029 | U42 | published | science: research education | Tampa, FL | 2025 |
| SOCIETY OF PLASTICS ENGINEERS | $623,144 | U42 | published | | Crocker, MO | 2024 |
| LATIN AMERICAN AND CARIBBEAN CON SORTIUM OF ENGINEERING INST INC | $617,782 | U42 | published | | Boca Raton, FL | 2025 |
| GEAR RESEARCH INSTITUTE | $606,022 | U42 | inferred 0.70 | space: outer | State College, PA | 2024 |
| KINETIC RESEARCH CORPORATION | $584,240 | U42 | inferred 0.50 | | Dexter, MI | 2020 |
| ASSOCIATION OF METROPOLITAN PLANNING ORGANIZATIONS RESEARCH FO | $567,619 | U42 | published | | Arlington, VA | 2024 |
| RESERVOIR ENGINEERING RESEARCH INSTITUTE | $547,635 | U42 | published | | Palo Alto, CA | 2024 |
| CORNWELL RESEARCH GROUP | $486,538 | U42 | published | women: issues | Newport News, VA | 2025 |
| STRUCTURAL ENGINEERS ASSOCIATION OF ILLINOIS | $472,305 | U42 | inferred 0.60 | science: research education | Chicago, IL | 2024 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $435,923 | U42 | inferred 0.50 | science: research education | Savannah, GA | 2024 |
| EARTH RESOURCES FUND INC | $435,167 | U42 | published | | Atlanta, GA | 2025 |
| SOCIETY OF PLASTICS ENGINEERS | $422,520 | U42 | inferred 0.50 | | Troy, MI | 2024 |
| NANTUCKET SHELLFISH ASSOCIATION INC | $419,352 | U42 | published | | Nantucket, MA | 2024 |
| CAPITOL CITY ROBOTICS INC | $401,586 | U42 | published | science: research education | Washington, DC | 2024 |
| ALLIANCE FOR PATHWAYS INTO ENGINEERING | $399,285 | U42 | published | science: research education | Austin, TX | 2024 |
| TENNESSEE ASSOCIATION OF PROFESSIONAL SURVEYORS | $368,648 | U42 | inferred 0.50 | science: research education | Madison, TN | 2024 |
| AUGMENTED REALITY ALLIANCE INC | $359,792 | U42 | inferred 0.45 | | Wakefield, MA | 2020 |
| NATIONAL MOTORIST ASSOCIATION INC | $358,873 | U42 | published | | Waunakee, WI | 2024 |
| SOCIETY FOR THE ADVANCEMENT OF MATERIAL & PROCESS ENGINEERS | $333,551 | U42 | inferred 0.60 | | Diamond Bar, CA | 2024 |
| INTERNATIONAL SOCIETY FOR PHARMACEUTICAL ENGINEERING INC | $319,576 | U42 | inferred 0.60 | science: research education | Catonsville, MD | 2025 |
| KENTUCKY SOCIETY OF PROFESSIONAL ENGINEERS | $305,720 | U42 | inferred 0.60 | | Frankfort, KY | 2024 |
| ASSOCIATION FOR COMPUTING MACHINERY | $304,286 | U42 | inferred 0.50 | science: research education | New York, NY | 2024 |
| GEORGIA ENGINEERING FOUNDATION INC | $302,278 | U42 | published | science: research education | Atlanta, GA | 2024 |
| MISSOURI COMMON GROUND ALLIANCE | $283,429 | U42 | published | | Jefferson Cty, MO | 2025 |
| BOSTON GROUND WATER TRUST | $273,315 | U42 | published | | Boston, MA | 2024 |
| BLACK GIRLS DO ENGINEER CORPORATION | $271,994 | U42 | published | science: research education | Webster, TX | 2024 |
| PIONEER ENGINEERS CLUB OF INDIANA INC | $270,077 | U42 | published | | Rushville, IN | 2025 |
| SOCIETY OF PLASTICS ENGINEERS | $267,582 | U42 | published | | Verona, KY | 2024 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $260,681 | U42 | inferred 0.60 | | Platte City, MO | 2024 |
| ALMALINUX OS FOUNDATION | $250,051 | U42 | inferred 0.45 | | Estero, FL | 2025 |
| PROFESSIONAL AEROSPACE CONTRACTORS ASSOCIATION OF NEW MEXICO | $249,846 | U42 | published | space: outer | Albuquerque, NM | 2024 |
| SEAOC FOUNDATION | $248,999 | U42 | published | | Sacramento, CA | 2024 |
| MISSISSIPPI ENGINEERING SOCIETY | $239,747 | U42 | published | science: research education | Brandon, MS | 2024 |
| BOARD OF CERTIFICATION IN PROFESSIONAL ERGONOMICS | $232,443 | U42 | inferred 0.80 | | Bellingham, WA | 2024 |
| ALABAMA SOCIETY FOR HEATHCARE ENGINEERING INC | $221,359 | U42 | published | | Montgomery, AL | 2025 |
| SOLHOMES INC | $214,572 | U42 | inferred 0.50 | | Chevy Chase, MD | 2021 |
| RUBY TOGETHER | $213,576 | U42 | inferred 0.60 | | San Francisco, CA | 2021 |
| SOLE-THE INTERNATIONAL SOCIETY OF LOGISTICS | $203,016 | U42 | published | | Laurel, MD | 2024 |
| SAN DIEGO ARCHITECTURAL FOUNDATION | $198,212 | U42 | published | | San Diego, CA | 2025 |
| AMERICAN SOCIETY OF HEATING REFRIGERATING & A-C ENGINEERS | $193,630 | U42 | inferred 0.45 | science: research education | San Francisco, CA | 2024 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $183,378 | U42 | inferred 0.70 | | Austin, TX | 2024 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $181,420 | U42 | inferred 0.60 | | Lansing, MI | 2024 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $181,342 | U42 | published | | Reston, VA | 2024 |
| MAINE SOCIETY OF LAND SURVEYORS | $175,800 | U42 | inferred 0.60 | | Auburn, ME | 2024 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $169,509 | U42 | published | | Seattle, WA | 2025 |
| CLEVELAND ENGINEERING SOCIETY | $169,161 | U42 | published | science: research education | Cleveland, OH | 2024 |
| ITS CAROLINAS INC | $163,609 | U42 | published | science: research education | Raleigh, NC | 2025 |
| ADVENTIUM LABS | $160,528 | U42 | inferred 0.50 | space: outer | Minneapolis, MN | 2011 |
| AMERICAN SOCIETY OF HEATING REFRIGERATING & A-C ENGINEERS | $160,061 | U42 | inferred 0.60 | | Chicago, IL | 2024 |
| IDAHO SOCIETY OF PROFESSIONAL LAND SURVEYORS INC | $157,753 | U42 | inferred 0.60 | | Boise, ID | 2024 |
| STRUCTURAL ENGINEERS ASSOCIATION OF HAWAII | $148,781 | U42 | inferred 0.70 | | Honolulu, HI | 2024 |
| SOCIETY OF PLASTICS ENGINEERS | $148,147 | U42 | published | | Sheboygan, WI | 2024 |
| MISSOURI CHAPTER OF THE AMERICAN CONCRETE INSTITUTE | $147,472 | U42 | inferred 0.60 | science: research education | O Fallon, MO | 2025 |
| ECS FOUNDATION | $145,171 | U42 | published | | Chantilly, VA | 2023 |
| AMERICAN SOCIETY OF HEATING REFRIGERATING & A-C ENGINEERS | $142,207 | U42 | inferred 0.60 | | Peachtree Corners, GA | 2024 |
| ENGINEERING CHANGE LAB - USA | $140,831 | U42 | published | | Omaha, NE | 2025 |
| MISSISSIPPI VALLEY INDUSTRY ADVANCEMENT | $140,643 | U42 | inferred 0.60 | | Bettendorf, IA | 2015 |
| 47G UAMMI INSTITUTE | $136,849 | U42 | published | space: outer | Salt Lake Cty, UT | 2024 |
| AMERICAN INSTITUTE OF INDUSTRIAL ENGINEERS INC | $133,048 | U42 | inferred 0.50 | | Blacksburg, VA | 2019 |
| AMERICAN SOCIETY OF HEATING REFRIGERATING & A-C ENGINEERS | $132,533 | U42 | inferred 0.60 | women: issues | Dallas, TX | 2024 |
| AIR CONDITIONING CONTRACTORS OF AMERICA OHIO CHAPTER | $127,481 | U42 | inferred 0.50 | | Chagrin Falls, OH | 2024 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $124,657 | U42 | published | science: research education | Honolulu, HI | 2025 |
| STRUCTURAL ENGINEERS ASSOC OF CENTRAL CALIF | $117,952 | U42 | inferred 0.60 | | Fair Oaks, CA | 2024 |
| TUSKEGEE ORGANIZATION FOR ROCKETRY OPERATIONS AND DYNAMICS | $115,950 | U42 | published | launch: space | Tuskegee Inst, AL | 2025 |
| AMERICAN SOCIETY OF CIVIL ENGINEERS | $114,658 | U42 | inferred 0.70 | | Reston, VA | 2024 |
| ENGINEERING EDUCATION FOUNDATION OF AMERICA | $113,335 | U42 | published | science: research education | St Paul, MN | 2024 |
| SCIENCE AND ENGINEERING FAIR OF METROPOLITAN DETROIT INC | $111,840 | U42 | published | science: research education | Farmington, MI | 2024 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $108,506 | U42 | published | | Fremont, CA | 2024 |
| ARKANSAS ASSOCIATION FOR HOSPITAL ENGINEERING | $107,009 | U42 | published | | Little Rock, AR | 2024 |
| NEW ENGLAND UTILITY CYBERSECURITY | $105,156 | U42 | inferred 0.50 | | Essex, VT | 2025 |
| AMERICAN INSTITUTE OF CHEMICAL ENGINEERS | $102,450 | U42 | inferred 0.60 | | Lakeland, FL | 2024 |
| AMERICAN SOCIETY OF HEATING REFRIGERATION & A-C ENGINEERS | $102,080 | U42 | inferred 0.60 | | Mc Donald, PA | 2023 |
| 316 RESEARCH INC | $101,081 | U42 | published | | Indianapolis, IN | 2025 |