Greentown Labs is a 501(c)(3) nonprofit accelerating climatetech innovation and commercialization by empowering entrepreneurs and enabling collaboration.
A defining feature of Greentown Collaborative Inc is its role as a programmatic funder for climatetech startups and intermediaries rather than a grantmaker centered on unrestricted awards. The recent record shows large subawards for program support flowing to New York University and the Urban Future Lab at NYU, alongside direct support for accelerator participation, student bootcamps, and fiscal sponsorship. That mix points to a foundation built around commercialization and collaboration in the climatetech pipeline. Their grantmaking touches energy, buildings, transportation, manufacturing, agriculture, carbontech, and resiliency and adaptation, but the common thread is early-stage innovation support. Grants also reach individual startup founders and university-linked programs that help entrepreneurs move from concept to market. The presence of accelerator participation awards to companies such as Seadeep, Hyperkelp, and Solidec Inc shows that Greentown Collaborative Inc backs ventures at an early commercialization stage. Support for Browning the Greenspace and Fraunhofer USA Inc further suggests that the foundation funds both ecosystem infrastructure and technical program partners. Across these grants, the emphasis is on enabling participation, building capacity, and advancing climatedech commercialization through structured programs.
In startup acceleration, Greentown Collaborative Inc funded participation awards to companies including Seadeep, Hyperkelp, Active Surfaces Inc, and Caravel Bio Inc. These grants indicate direct support for founders moving through accelerator-based commercialization programs. The foundation also backs university and intermediary partners that run entrepreneurship programming. It gave program-support subawards to New York University and Urban Future Lab at NYU, and it supported The University of Texas at Austin and Texas A&M University for student participation in a summer entrepreneur bootcamp. A third thread is infrastructure for specialized climate and manufacturing work. Grants to Fraunhofer USA Inc, Browning the Greenspace, and Tex-e Inc show support for program partners, with one award structured as fiscal sponsorship. The recent list also includes a pitch competition award to Coflux Purification, which fits the foundation’s pattern of seed-stage commercialization support.
$974K
$37.4M
$15M
$16.6M
Most grants fall between $10K and $25K, with a median of $16K.
25th Percentile
$10K
Median
$16K
75th Percentile
$25K
KEVIN DUTT
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Typical award size sits at $10,000 at the 25th percentile, $15,752 at the median, and $25,000 at the 75th percentile, even though several program-support grants are much larger. Greentown Collaborative Inc is a regular funder with national giving and a 2025 filing year on record. Recipients appear across multiple years: New York University received grants in 2024 and 2025, and Browning the Greenspace appears in both 2024 and 2025. The portfolio is built around subawards, accelerator participation, fiscal sponsorship, and student-program support, which points to structured program funding rather than open-ended general grants.
Grant recipients are spread nationally across the United States, with 100% of reported grants going to US organizations. New York, NY appears repeatedly and is the top recipient city in the recent list, followed by Houston, TX, Boston, MA, and Somerville, MA. Massachusetts accounts for 21% of grants by recipient location. Other recipient cities include Brooklyn, Plymouth, and Austin, showing that the foundation’s giving reaches university partners, startups, and program intermediaries in several hubs tied to climatetech and entrepreneurship.
The recent grants show support for universities, startup founders, and program intermediaries. Examples include New York University and Urban Future Lab at NYU for program support, startup participation awards to companies such as Seadeep and Solidec Inc, and fiscal sponsorship for Tex-e Inc.
The foundation’s stated focus areas include climatetech, energy, buildings, transportation, manufacturing, agriculture, resiliency and adaptation, and carbontech/CO2 utilization. The active program list also emphasizes acceleration, hardware, market expansion, mobility, offshore wind, and carbon-to-value technologies.
Yes. The recent grants include awards to The University of Texas at Austin and Texas A&M University to enable student participation in a summer entrepreneur bootcamp. Those grants are separate from the startup accelerator awards made to early-stage companies.
The typical grant size is $10,000 at the 25th percentile, $15,752 at the median, and $25,000 at the 75th percentile. The recent record also includes larger program-support awards, showing that the foundation makes both standard participation grants and larger subawards.
The foundation gives nationally, but Massachusetts accounts for 21% of grants by recipient location, and New York, NY appears most often in the recent grant list. Other recurring recipient cities include Houston, Boston, Somerville, and Brooklyn.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| NEW YORK UNIVERSITY | NEW YORK, NY | $445,963 | 2025 | SUBAWARDS FOR PROGRAM SUPPORT |
| FRAUNHOFER USA INC | PLYMOUTH, MI | $100,000 | 2025 | SUBAWARDS FOR PROGRAM SUPPORT |
| TEX-E INC | HOUSTON, TX | $56,426 | 2025 | FISCAL SPONSORSHIP |
| THE UNIVERSITY OF TEXAS AT AUSTIN | AUSTIN, TX | $25,000 | 2025 | ENABLE STUDENT PARTICIPATION IN SUMMER ENTREPENUARER BOOTCAMP |
| SOLIDEC INC | HOUSTON, TX | $25,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| BROWNING THE GREENSPACE | BOSTON, MA | $22,750 | 2025 | SUBAWARDS FOR PROGRAM SUPPORT |
| SEABOUND CARBON INC | CLAYMONT, DE | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CARBON NEGATIVE SOLUTIONS | ROCK HILL, NY | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| HIGH TECH FARM LLC | BOSTON, MA | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| ECO FORGE | WILMINGTON, DE | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| ATMOSPARK TECHNOLOGIES INC | BEAUMONT, TX | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| COFLUX PURIFICATION | HOUSTON, TX | $15,000 | 2025 | AWARD FOR PITCH COMPETITION |
| AQUASAIC | CAMBRIDGE, MA | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| AXIS SKY RENEWABLES CORP | WILMINGTON, DE | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CELLSENSE LLC | SOMERVILLE, MA | $15,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CAPWELL SERVICES INC | HOUSTON, TX | $11,521 | 2025 | ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP |
| MIC MONITOR LLC DBA CORROLYTICS | COPLEY, OH | $11,521 | 2025 | ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP |
| BIOSFERA GROUP LLC | STAFFORD, TX | $11,521 | 2025 | ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP |
| DRINKICKS LLC | HOUSTON, TX | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| MAPLE MATERIALS | RICHMOND, CA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| SPADXTECH LLC | WORCESTER, MA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| MACROCYCLE TECHNOLOGIES | CAMBRIDGE, MA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CMX2 SYSTEMS LLC | NEW BRAUNFELS, TX | $10,000 | 2025 | AWARD FOR PITCH COMPETITION |
| EARTHBOND CO (CHIDALU ONYENSO) | CAMBRIDGE, MA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| FLORRENT INC | AMHERST, MA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| FRAKKTAL | HOUSTON, TX | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| OXYLUS ENERGY | NEW HAVEN, CT | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| ACTIVE SURFACES INC | SALEM, MA | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| COMPACT MEMBRANE SYSTEMS INC DBA ARDENT | NEW CASTLE, DE | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| RENEWCO2 INC | CRANFORD, NJ | $10,000 | 2025 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CALWAVE POWERTECHNOLOGIES INC | BERKELEY, CA | $8,812 | 2025 | ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP |
| URBAN FUTURE LAB AT NYU | NEW YORK, NY | $284,463 | 2024 | SUBAWARDS FOR PROGRAM SUPPORT |
| NEW YORK UNIVERSITY | NEW YORK, NY | $209,559 | 2024 | SUBAWARDS FOR PROGRAM SUPPORT |
| SEADEEP | BOCA RATON, FL | $72,383 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| HYPERKELP | ENCINITAS, CA | $70,400 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| BROWNING THE GREENSPACE | BOSTON, MA | $30,000 | 2024 | SUBAWARDS FOR PROGRAM SUPPORT |
| ACTIVE SURFACES INC | SALEM, MA | $20,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| MAPLE MATERIALS | RICHMOND, CA | $17,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CORUMAT INC | YAKIMA, WA | $16,632 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| LYDIAN LABS | SOMERVILLE, MA | $16,149 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| TEXAS A&M UNIVERSITY | COLLEGE STATION, TX | $16,000 | 2024 | ENABLE STUDENT PARTICIPATION IN SUMMER ENTREPENUARER BOOTCAMP |
| CARAVEL BIO INC | PORTLAND, OR | $15,752 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CARBON TO STONE INC | ITHACA, NY | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| SPADXTECH LLC | WORCESTER, MA | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| EARTHBOND CO | CAMBRIDGE, MA | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CARBON UPCYCLING INC | ITHACA, NY | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| CAPRO-X INC | ITHACA, NY | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| GLOBAL ALGAE INNOVATIONS INC | SAN DIEGO, CA | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| DRINKICKS LLC | PORT ARTHUR, TX | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
| REVOLUTION TURBINE TECHNOLOGIES LLC | HOUSTON, TX | $10,000 | 2024 | PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM |
FRAUNHOFER USA INC
$100,000SUBAWARDS FOR PROGRAM SUPPORT
TEX-E INC
$56,426FISCAL SPONSORSHIP
THE UNIVERSITY OF TEXAS AT AUSTIN
$25,000ENABLE STUDENT PARTICIPATION IN SUMMER ENTREPENUARER BOOTCAMP
SOLIDEC INC
$25,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
SUBAWARDS FOR PROGRAM SUPPORT
SEABOUND CARBON INC
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CARBON NEGATIVE SOLUTIONS
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
HIGH TECH FARM LLC
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
ECO FORGE
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
ATMOSPARK TECHNOLOGIES INC
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
COFLUX PURIFICATION
$15,000AWARD FOR PITCH COMPETITION
AQUASAIC
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
AXIS SKY RENEWABLES CORP
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CELLSENSE LLC
$15,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CAPWELL SERVICES INC
$11,521ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP
MIC MONITOR LLC DBA CORROLYTICS
$11,521ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP
BIOSFERA GROUP LLC
$11,521ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP
DRINKICKS LLC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
MAPLE MATERIALS
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
SPADXTECH LLC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
MACROCYCLE TECHNOLOGIES
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CMX2 SYSTEMS LLC
$10,000AWARD FOR PITCH COMPETITION
EARTHBOND CO (CHIDALU ONYENSO)
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
FLORRENT INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
FRAKKTAL
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
OXYLUS ENERGY
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
ACTIVE SURFACES INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
COMPACT MEMBRANE SYSTEMS INC DBA ARDENT
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
RENEWCO2 INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CALWAVE POWERTECHNOLOGIES INC
$8,812ENABLE STUDENT PARTICIPATION IN SUMMER INTERNSHIP
SEADEEP
$72,383PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
HYPERKELP
$70,400PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
ACTIVE SURFACES INC
$20,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
MAPLE MATERIALS
$17,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CORUMAT INC
$16,632PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
LYDIAN LABS
$16,149PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
TEXAS A&M UNIVERSITY
$16,000ENABLE STUDENT PARTICIPATION IN SUMMER ENTREPENUARER BOOTCAMP
CARAVEL BIO INC
$15,752PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CARBON TO STONE INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
SPADXTECH LLC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
EARTHBOND CO
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CARBON UPCYCLING INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
CAPRO-X INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
GLOBAL ALGAE INNOVATIONS INC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
DRINKICKS LLC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM
REVOLUTION TURBINE TECHNOLOGIES LLC
$10,000PARTICIPATION IN A STARTUP ACCELERATOR PROGRAM