Top Houston, TX Greentech Startups (729)

We bridge deep tech into farming. Halter enables farmers to remotely shift, virtually fence and proactively monitor their cows’ health and behaviour. Can you imagine watching 500 cows or cattle walk calmly towards the milking shed or their next break? No quad bikes, no dogs, no fences. Just a mob of cows walking at their own pace. People say it...

AMP is applying AI-powered sortation at scale to modernize the world's recycling infrastructure and maximize the value in waste. AMP gives waste and recycling leaders the power to harness AI to reduce labor costs, increase resource recovery, and deliver more reliable operations. With hundreds of deployments across North America, Asia, and Europe, AMP’s technology offers a transformational solution to waste...

Our software predicts how much energy homes will use and helps builders design and build more energy efficient homes. Our software is also used to verify compliance with dozens of energy codes, programs and to share information with homeowners. Our Home Energy Rating Software is the most widely used in the US, used on 1 in every 4 new homes. This...

Energy CX is the fastest growing energy brokerage in the U.S. Known for transforming the way clients navigate the complex energy landscape, our data-driven approach and dedication to innovation position us as a leader in the energy brokerage industry. As a family-owned business, we've been laser-focused on our commitment to advancing energy solutions. We help clients maximize savings, efficiency, and...

At Inato, we’re on a mission to accelerate the pace of medical innovation by bringing clinical research to each and every patient, regardless of who they are and where they live. Our platform, made to connect community-based research centers to trials across the globe, aims to create greater visibility, access, and engagement across a more diverse population of doctors and...

Clean Power Research® is advancing the energy transformation through cloud software that informs, streamlines and values energy-related decisions and processes for utilities, energy professionals and consumers. We’re focused on expanding our market reach and impact with new software technologies that help solve the energy industry’s problems. Recognized by BuiltIn Seattle as "Top 100 Best Places to Work in Seattle” and...

Perennial is building the world’s leading verification platform for soil-based carbon removal. Our vision is to unlock agricultural soils as the world’s largest carbon sink. To do that, we are building trusted standards, tools, and technologies to help verify climate-smart agriculture. Perennial uses the world’s most advanced remote measurement technology for soil carbon sequestration and emissions. We fuse machine learning, ground...

Queens Carbon is pioneering breakthrough technology to efficiently produce carbon-neutral cementitious materials — without the green premium. Our patented manufacturing process, known as “The Instant Pot of Cement Manufacturing,” uses water to lower production temperatures, dramatically improving energy efficiency and cutting emissions. Backed by Breakthrough Energy Fellows, ARPA-E, world-class climate investors, and strategic partners, we’re proving that sustainability can be...

H3X manufactures the world's most power-dense integrated motor drives (IMDs) ranging from 30kW to 3MW for aerospace, defense, marine, and heavy industry. From the sea to the sky, our products unlock major benefits for weight-sensitive, volume-constrained, and high power applications. At the core of our organization are principles that guide every action and decision we make. These values define our story,...

SimpleSUB Water is at the forefront of innovating water metering for multi-unit properties, championing water conservation and transparent billing. Our Z1 Flow Meter, adept at filling the gap where traditional inline meters fall short due to cost or the invasiveness of pipe cutting, offers a practical and efficient solution. This over-the-pipe device delivers accurate water usage data via cloud based...

We have a bold vision: Make renewable energy the most affordable form of energy. Through the use of our automated drone inspection service and analytics platform - Horizon - we work with the world’s leading wind energy providers to keep their turbines running.

Hydropower has immense potential beyond traditional dam-style construction. We research and develop new hydrokinetic turbines for specialized applications in real-world conditions. These turbines are simple, like wind turbines, but underwater and specially designed for increased efficiency.

Impulse is a climate tech company building state-of-the-art home appliance that deliver premium performance, all while paving the way for a clean energy future. Check out our career opportunities: jobs.ashbyhq.com/impulse

Blue Water Baltimore’s mission is to restore the quality of Baltimore’s rivers, streams and Harbor to foster a healthy environment, a strong economy and thriving communities. For too long, Baltimore’s waterways have been dumping grounds for contaminated stormwater runoff, trash, sewage, and toxic chemicals. This pollution not only harms our environment, it also threatens our citizens’ health and the vitality of...

New Columbia Solar is transforming how communities across the District of Columbia are powered

Smart OES can significantly reduce the energy consumption for all types of building owners and occupants. Smart OES uses IoT technology to provide turnkey energy efficiency and demand response capability for all types and sizes of existing non-residential buildings – commercial, governmental, educational, etc. - that have no other economic way to reduce their energy bills. SmartOES has its own proprietary suite...

SweetSense Inc. develops and deploys technologies to manage water and energy services in remote, off-grid environments.

The original Green Seal of approval since 1989. We provide science-based environmental certification standards that are credible, transparent, and essential in an increasingly educated and competitive marketplace. Our industry knowledge and standards help manufacturers, purchasers, and end users alike make responsible choices that positively impact business behavior and improve quality of life. We envision a Green Economy--renewable, with minimal impact--that...

Pandas is a 360° Trade-in as a Service (TaaS) platform to unlock smarter phone upgrades and higher user retention. With Pandas new services, mobile network operators and retailers can provide seamless and enjoyable smartphone trade-ins to their customers. We are on a mission to reimagine trade-in programs with cutting-edge technology and behavioral science. We strive to help our customers achieve...

Station A is a software company with a mission to automate clean energy development to enable a carbon-neutral future. Our platform provides clean energy buyers and providers the insight they need to take any building to zero carbon emissions. Our marketplace facilitates the origination, design, and execution of clean energy projects.