Top Chicago, IL Greentech Companies (72)

VelocityEHS is more than a software company - we’re a team of expert problem solvers passionate about making the world a safer, more sustainable place to work. We simplify complex challenges through innovation, collaboration, and smart technology that drives real impact. At VelocityEHS, you’ll join people who care deeply about doing meaningful work, growing together, and helping companies around the...

Energy CX is a family-founded energy broker redefining how businesses buy energy. Powered by ABEL™, a proprietary platform, the company uses math-based trading methodologies to help customers treat energy like an investment, not a line item. Energy CX replaces fragmented tools and legacy broker models with a centralized, technology-led approach—reducing risk, controlling spend, and bringing clarity to complex energy markets....

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

Optivolt Labs is enabling autonomous charging through an optimized solar integration platform.

Verde Solutions is full service, energy efficiency consultant firm founded on three main principles; Innovation, Sustainability, and Efficiency. At Verde Solutions, we create value for our clients and communities by providing innovative energy-efficient and renewable energy solutions.

BioBlend offers a full spectrum of lubricants, greases and industrial products that enable a seamless transition to biobased products. Our experts can guide customers down the path from petroleum-based to more sustainable products that enhance their environmental and safety objectives without sacrificing performance or value.

Resource Environmental Solutions LLC (RES) is a national operating company focused on restoring a resilient earth for a modern world, project by project. As the nation’s largest ecological restoration company, RES supports the public and private sector with solutions for environmental mitigation, stormwater and water quality, and climate and flooding resilience. RES has a unique operating model for delivering ecological...

MarkITx is a technology company that is transforming the way the world trades IT hardware. Using predictive algorithms to provid

FloWaste’s food analytics platform uses proprietary image recognition technology to empower food service providers and industrial food producers to reduce food waste automatically. Using kitchen data, FloWaste allows foodservice providers to optimize meal preparation, ingredient combinations, and portion sizing, while reducing labor costs, to maximize profits and minimize excess. FloWaste has 3 live paid pilot customers, who have just signed...

Revolutionary silicon anodes for lithium-ion batteries.

AMPY is a wearable device that captures your kinetic energy to rechage your smartphone or any USB-powered device. Our proprietary inductor technology can be integrated directly into smartwatches, fitness trackers, and other wearables so you never have to plug them in.

It’s not a debate. There’s no two sides. A post-pollution world is inevitable. Humans will either be part of it, or the planet will go on without us. In other words, it’s defossilize or die. But where others see a dire choice, LanzaTech sees a trillion-dollar opportunity. The good news is after 15 years, north of a thousand patents, and millions of...

Invenergy is a leading global privately-held developer and operator of sustainable energy solutions. We are headquartered in the Chicago and have 2000+ employees across the Americas, Europe and Asia. We have successfully developed over 175 projects, including wind, solar, and natural gas power generation as well as advanced energy storage facilities. We are innovators at heart — we design, build and...

We are an international, integrated consultancy of engineers, designers and advisers. For over 45 years, we have built an unrivalled reputation by delivering creative, value-led solutions for the benefit of people, places and planet. Described by our clients as ‘passionate’, ‘innovative’ and ‘collaborative’, Buro Happold is synonymous with the delivery of exceptionally complex projects on every continent, working with the world’s leading architectural practices...

Evoqua Water Technologies is the global leader in helping municipalities and industrial customers protect and improve the world’s most fundamental natural resource: water. Evoqua has a more than 100-year heritage of innovation and industry firsts, market-leading expertise, and unmatched customer service, where it continues to transform water and wastewater. Its cost-effective and reliable treatment systems and services ensure uninterrupted quantity...

Tradewater is a mission based B Corp that creates, develops, and implements high-value projects that reduce greenhouse gas emissions. Our integrated approach results in verifiable, permanent climate impact and sustainable economic benefit through the highest quality carbon offset credits. We are one of the world's only companies actively focused on scalable strategies for collecting, controlling, and destroying potent greenhouse and...

Buildings are the world's #1 consumer of energy and resources, and our mission is to help them use less. We are an early-stage company seeking to disrupt the $40B market for energy efficiency retrofits by developing a marketplace that connects buildings, people, products and services. Green Per Square Foot, enables building owners and managers to profile their buildings, find savings opportunities, and...

At Infleqtion, we are building an ecosystem of quantum technologies and commercial products for today, driving us, and the entire industry toward tomorrow. We believe in taking quantum to its limit and leading from the edge. Infleqtion is built on ColdQuanta’s 15 years of pioneering quantum research. Its scalable and versatile quantum technology is used by world-class organizations around the...

WEC Energy Group is one of the nation’s largest electric and natural gas delivery companies.

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great...