Top Green Building Startups in 2026

Nexii is the ideal solution for most building options, including industrial, commercial, institutional, high-rise cladding and façades, mixed-use, multi-family, single-family, and the fast-growing retrofit market. This building solution is made possible by the proprietary material Nexiite and Nexii's product design and assembly process, which together enable the construction of sustainable and durable buildings.

Delta Controls is the benchmark for building controls manufacturers, being one of the most respected organizations in our industry, with more than 300 installers in over 80 countries. For more than three decades Delta Controls has offered innovative and exciting building automation solutions for commercial, healthcare, education, leisure buildings and more. As industry leaders, our track record includes delivering the world’s first fully integrated native BACnet building solution encompassing HVAC, lighting and access products.

Founded by industry leaders and entrepreneurs who know there is a better way to design and build, Rize Modular was created to reimagine our living environments and address the massive housing shortage here in the US. State-of-the-art robotics and production technology, coupled with award-winning design, Rize has developed the first end-to-end volumetric building platform to deliver healthy, intelligent, clean, sustainable structures that are of superior quality and produce significantly less waste compared to the traditional building method. The efficiencies of the integrated approach results in a precision-based structure produced in a fraction of the time and at a lower cost.

SD+ is a platform to make the journey of designing a sustainable building a smooth one. Many realty developers refuse to build sustainably because it is confusing and often perceived as expensive. Using relevant data and visualizations, SD+ enables the user to make an informed decision on integrating sustainable solutions in their developments. The target users are realty developers and green building consultants.

Electrify America’s investment will enable millions of Americans to discover the benefits of driving electric.

Glumac, a Tetra Tech Company, is a global leader in building engineering, committed to delivering a low carbon future for all. We provide mechanical, electrical, and plumbing design; sustainable building consulting, carbon consulting, energy modeling, low voltage design, architectural lighting design, and building commissioning. The goal of these teams is to collaborate with architects, contractors, owners and developers, to create healthy, equitable, and resilient communities. To see a list of available positions with Glumac, visit: glumac.com/Careers

Windmason Arabia engineers advanced HVAC and evaporative cooling systems designed to elevate everyday living. Our commitment lies in creating healthier, more sustainable indoor environments while contributing to national progress through innovation and energy-efficient technologies. Through our smart HVAC, manufacturing, consulting, and energy solutions, we integrate advanced technologies with expert teams to deliver cleaner air and reduced CO₂ emissions. Our solutions support sustainable growth in cities and industries, while enhancing well-being and quality of life.