Best Sustainability Tech Companies in South Carolina, United States
The 45 best Sustainability Tech companies in South Carolina, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Palmetto.
Our analysis of 84 Sustainability Tech companies
$19.4b in tracked funding; 85% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in South Carolina
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Palmetto 🦄 Residential solar energy systems and battery storage solutions | $670M | 19 mo ago | Series C | Christopher Kemper Co-Founder & CEO | 2009 | PlasmicPrismicApple iCloud Mail+34 | — | 3 partnerships |
| 2 | Environmental Express Indoor air monitoring and testing | $36M | 185 mo ago | Late Stage | — | 1988 | Salesforce DeskSalesforceAura+14 | — | 1 partnership |
| 3 | MyHeatworks Provider of tankless electric water heaters | $13M | 56 mo ago | Deadpooled | — | 2013 | — | — | — |
| 4 | Expanse Bio Developer of ex vivo systems for long-term ovarian assessment | $8M | 11 mo ago | Funding Raised | Bradley Weegman CEO | 2022 | — | — | — |
| 5 | Solbright Group IoT platform for providing actionable insights | $1M | 112 mo ago | Early Stage | Terrence DeFranco CEO | 1999 | — | — | — |
| 6 | Renewed World Energies Photobioreactor for cultivation of algae and products from algae | $618K | 201 mo ago | Acqui-Hired | Richard Armstrong Co-Founder | 2007 | — | — | — |
| 7 | AssetPoint Provider of Enterprise Asset Management and CMMS Solutions | $500K | 221 mo ago | Acqui-Hired | Mike Levine ex- CEO | 2002 | — | — | — |
| 8 | Lucie Medical Developer of medical devices improving maternal health outcomes | $309K | 23 mo ago | Funding Raised | Jennifer West Co-Founder & CEO | 2023 | — | — | — |
| 9 | NanoPure technology Developer of anti-microbial film | $250K | 104 mo ago | Seed | Steve Gareleck CEO | 2017 | — | — | — |
| 10 | Viradys Waste management solution provider | $125K | 125 mo ago | Seed | Michael Green President and CEO | 2013 | — | — | — |
Top 12 Sustainability Tech companies in South Carolina
#1
Palmetto 🦄Series C · Charleston, South Carolina · founded 2009 · 419 employees$670.4Mraised▾
Residential solar energy systems and battery storage solutions. It offers tools to estimate energy savings and system upgrade options. It facilitates financing plans for clean energy setups. Additionally, it provides resources and support for existing customers regarding systems and service requests.
- Jan 2025Conventional Debt$1.2B
- Mar 2023Series C$150M
- Feb 2022Series C$375M
- Feb 2021Series C$80M
#2
Funding Raised · North Charleston, South Carolina · founded 2022$7.6Mraised▾
Developer of ex vivo systems for long-term ovarian assessment. The company focuses on creating an ex vivo system for the assessment of ovarian damage at morphological, functional, and molecular levels in a whole ovary model.
- Aug 2025Grant (prize money)$309.3K
- Oct 2023Grant (prize money)$2.5M
- Sep 2023Grant (prize money)$309.3K
- Aug 2019Grant (prize money)$2M
#3
Funding Raised · Spartanburg, South Carolina · founded 2023$308.5Kraised▾
Developer of medical devices improving maternal health outcomes. The company focuses on addressing critical issues in maternal healthcare, specifically aiming to reduce complications and improve the overall experience for women giving birth. Its team possesses extensive experience in medical device development, clinical applications, regulatory compliance, and commercialization. The company's efforts contribute to a safer and more effective birthing process.
- Sep 2024Grant (prize money)$308.5K
#4
Deadpooled · Mount Pleasant, South Carolina · founded 2013 · 25 employees$13Mraised▾
MyHeatworks provides solutions for tankless electric water heaters. It uses patented array ohmic technology to heat water. It also provides dishwashers and battery-operated hot water carafe filters.
- Dec 2021Series A$2M
- Apr 2021Series A—
- Aug 2020Series A$450K
- Jun 2018Series A$1M
#5
Late Stage · Charleston, South Carolina · founded 1988 · 39 employees$35.5Mraised▾
Indoor air monitoring and testing. It offers air sampling and air quality assessment solutions.
- Mar 2011Conventional Debt—
- Mar 2011PE$35.5M
#6
Early Stage · Charleston, South Carolina · founded 1999$1.1Mraised▾
IoT platform for providing actionable insights. The platform analyzes sensor data from BACnet, Modbus, 4-20mA, volt, Co2, VOC, temperature /humidity, thermistor, and current transformers (CTs) for pushing the same to the IoT gateway. The company claims to use machine learning in the data set for providing actionable intelligence. In addition, it features energy management and predictive maintenance modules for multiple applications such as demand response, demand control ventilation, monitoring and alerting, and predictive analytics. Applications are in the areas of healthcare, retail, manufacturing, and real estate.
- Apr 2017Unattributed$195K
- Apr 2015Unattributed$500K
- Apr 2014Unattributed$400K
#7
Acqui-Hired · Georgetown, South Carolina · founded 2007 · 11 employees$618.5Kraised▾
Renewed World Energies manufactures and supplies Small Scale Testing and Evaluation System for algae cultivation, Photo-Bioreactor System for algae production and products from algae like biomass, and oil. The algae products can be used for power generation, as an ingredient in pharmaceuticals and cosmetics, as an organic animal/aquatic feed, manufacture of organic fertilizer. The company also provides services like hardware and software technology for algae production, power process design, consulting and technical advisor, operations and production management, and training, secure internet monitoring software. The company has also formed partnership/alliance with four companies viz Envara, FCStone, Emerald Biofuels, and Algae Energae.
- Oct 2009Seed$618.5K
#8
Acqui-Hired · Greenville, South Carolina · founded 2002 · 49 employees$500Kraised▾
AssetPoint provides asset management and computerized maintenance management software solutions for enterprises and SMBs. Its product offerings include TabWare EMA-CMMS solutions for oil and gas, food and beverage, Industrial Manufacturing, Mining Metals and Chemical Manufacturing Cross Roads Integration business integration solution Metric Reporting and maintenance Business Intelligence solutions and Role-based solutions.
- Mar 2008Venture Debt$4.3M
- Mar 2008Seed$500K
#9
Seed · Mount Pleasant, South Carolina · founded 2017$250Kraised▾
Nanopure develops anti-microbial film for protecting a surface against bacteria, viruses, and mold spores. Offerings of the company include NanoPure (nanotechnology platform which kills air- and surface-borne mold, bacteria, and viruses) and NanoBoT (nano-bubbles for infusing oxygen and ozone into the water, that creates volumes of hydroxyl radicals, a powerful disinfectant capable of destroying bacteria, toxins, and micro-organisms in the water). The company serves multiple industries including commercial, residential, agriculture, healthcare, and hospitality industry.
- Dec 2017Seed$250K
#10
Seed · Greer, South Carolina · founded 2013 · 3 employees$125Kraised▾
Viradys is a waste management solution provider that offers solutions for medical waste disposal., Has developed multiple products including VDU, which is a modular two-stage device that combines leading-edge shredding technology with a heated disinfection chamber that enables medical waste to be deposited in a local landfill as conventional municipal waste.
- Mar 2016Seed$125K
#11
Funding Raised · Moncks Corner, South Carolina · founded 1934 · 1600 employees—raised▾
Energy monitoring solution. It helps you view your energy use, compare your bills with other customers, sign up for payment notifications, pay your bill and more. Its mobile app is available for both the iOS and Android platforms.
#12
Seed · Greenwood, South Carolina · founded 2023—raised▾
Manufacturer and provider of solar PV cell modules. The platform offers PERC solar cells that captures sunlight and converts it into electricity. It also offers heterojunction and topcon solar cells.
- Mar 2024Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Climate Adaptation is moving in the United States
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,953 United States-affiliated papers.
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
Where climate adaptation is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing climate adaptation patents in the United States
United States climate adaptation patent filing is cooling — 28 filings from 19 assignees (2016–2025), led by ILC Dover, Garcia Rogerio, Serralta Denset; annual filings 6→1.
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Yodock GUY1
- Mckee TONY RAY1
- Ballard Tristan1
- Cooper Matthew1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.