Top Greentech Companies in Denver & Boulder, CO (111)
.png)
We bridge deep tech into farming and ranching. Halter enables farmers and ranchers to remotely shift, virtually fence and proactively monitor their cows’ health and behavior. 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 herd of cows walking at their own...
.png)
Halter's Top Stability & Growth Strengths
Market Expansion: Geographic reach is widening quickly, with operations scaling across many U.S. states and stated plans to enter the U.K. and Ireland alongside continued growth in New Zealand and Australia. Customer adoption also broadened materially, with notable increases in the number of ranches and farms using the platform.
Investor Backing & Capital Strength: Capital access strengthened through sizable late‑stage rounds at markedly higher valuations within a short span, with independent confirmations of the most recent raise. This trajectory indicates strong investor confidence to fund continued commercial and product expansion.
Strong Revenue Growth: New Zealand filings and reporting indicate materially higher subscription and segment revenues over recent periods. These financial signals align with increased collar deployments and a larger installed base.
KPA solutions help clients identify, remedy, and prevent workplace safety and compliance problems across their entire enterprise. The combination of KPA’s easy-to-use software platforms, consulting services, and award-winning training content helps organizations minimize risk so they can focus on what’s important—their core business. For nearly 40 years, KPA has helped 10,000+ clients achieve regulatory compliance, protect their business, and keep...
KPA's Top Stability & Growth Strengths
Strong Market Position & Advantage: KPA is described as serving more than 15,000 businesses and cites relationships with 40 of the top 50 U.S. dealer groups, indicating deep penetration in its core automotive vertical. Its substantial customer footprint is repeatedly tied to a record year and ongoing expansion efforts.
Product Line Growth: The company reports an expanded product portfolio, including AI-powered compliance tools and enhancements like an updated Vera Suite dashboard. Announcements across 2025–2026 frame these launches as fueling accelerating innovation and growth.
Future-Ready Strategy: A 2026 reorganization refocused KPA on automotive, with leadership changes positioned to enable faster product development and deeper specialization. Continued partnerships and capability investments are presented as building for future growth.
Altela offers a range of water desalination and decontamination solutions with the use of its patented technology.
Spirae is an innovative technology company that delivers scalable smart grid solutions to global partners and customers. Spirae specializes in the integration of large-scale renewable and distributed energy resources, the development of local and wide area controls, energy service platforms and power system simulations.Based in Fort Collins, Colorado and privately held since 2002, Spirae is a recognized thought leader in distributed...
Expanding horizons in meteorology and weather forecasting, water cycle hydrology, oceanography, solar physics, atmospheric chemistry and air quality, climate science, computer science, environmental science, and STEM education. We provide research, observing and computing facilities, and services for the atmospheric and Earth system science community. With UCAR, we promote partnership in a collaborative community of university and laboratory researchers dedicated to...
Solar-powered L.E.D. (Light Emitting Diode) road markers that are flush-mounted into the roadway. Many locations in the U.S. and around the world cannot use reflective pavement markers due to regular snow plowing.
Based in Boulder, CO, ION Clean Energy has received approximately $85 million in highly competitive U.S. Department of Energy (DOE) awards to support bench-scale and large-pilot testing, including the construction of a new pilot at Calpine Corporation’s Los Medanos Energy Center in Pittsburg, California. Most recently, ION has been the technology of choice for DOE-funded commercial Front-End Engineering Design (FEED)...
As the only true expert in cultivation environments, Surna is the first call any cultivator, investor, engineer or cannabis consultant should make when planning and designing a controlled environment cultivation. We’re the industry experts in applied mechanical engineering, agricultural science, indoor farming and predictive facility modeling.
Kegstand's FiberLite keg is 40% lighter than the traditional keg which cut distribution costs by an average of $2.50 every time a keg is shipped. Not only do we help increase margins for brewers, but the reduced weight of our kegs helps the environment as well by lowering fuel consumption. Kegstand is the premium product on the market, but our...
Lynker delivers innovative solutions to support global environmental security and economic prosperity as a trusted partner to governments, communities, and industry. We are a premier science advisor supporting some of the nation’s most important missions.
Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...
Brown and Caldwell's Top Stability & Growth Strengths
Strong Hiring & Retention: Headcount increased from about 2,614 to nearly 2,920 over a multi-year period, and the firm maintains a substantial slate of open roles to support a growing project pipeline. Active recruitment aligns with continued demand for environmental and water infrastructure services.
Strategic Partnerships: Partnerships with platforms like Lantern bring Microsoft-enabled digital tools into water-utility services. Collaborations such as work with the Water Utility Climate Alliance to shape climate-resilient design guidelines reflect a strategy of scaling capabilities through alliances.
Market Expansion: Regional scale-ups—including Pacific team additions and an expanded Chicago office—signal ongoing geographic growth to meet local client needs. A footprint spanning more than 50 locations across North America and the Pacific supports broader state and local expansion efforts.
.png)
Optera delivers software for bold climate action. We help corporations worldwide reduce their environmental impact by providing credible carbon accounting for Scope 1, 2, and 3 emissions, actionable insights and forecasts, and tools to collaborate with supply chain and investment partners. Our clients lead many of the world’s most established and ambitious corporate sustainability programs, from Dell and HPE to...
.png)
As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere. By fostering a culture rich with collaboration, opportunity, and support, we've retained a small-firm feel even as we've expanded to be the water industry's largest firm solely devoted to all things water. Our focus on water prepares us...
We are a full service, end to end solar company that offers BluePower™ and BluePowerPlus+™ as the most innovative solar financing products.
Blue Raven Solar's Top Stability & Growth Strengths
Market Expansion: Expansion into multiple states and a national installation sales agreement with Sunder Energy in November 2024 signal broader geographic reach and installation capacity under Complete Solar. Platform integration is described as providing access to a larger operational footprint and a broader installer network.
Strategic Partnerships: A new installation agreement with Sunder Energy indicates access to a large external sales channel across many states that can accelerate installs. Channel partnerships are presented as a way to sustain volume ambitions despite recent industry turbulence.
Strong Revenue Growth: Prior to its 2021 acquisition, the company was cited as one of the fastest‑growing residential providers with a strong direct‑to‑consumer model. Company materials also highlight more than 10,200 annual installs in 2022 and a significant headcount increase that year.
Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage. Our energy storage systems help integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability.
Western Autotroph Company (WAC) seeks to commercialize the biotechnologies that exploit autotrophic microbes for range of industries including: environmental, energy, mining, and animal and human health. I negotiated a license for five issued patents and two provisional patents from the University of South Florida for technologies that improve biological wastewater treatment, that I invented while a faculty member. In addition,...
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...
Redaptive redefines how energy and infrastructure projects are financed, delivered, and scaled, unlocking trapped value inside buildings and across portfolios through a new model called Infrastructure Monetization. Its programmatic approach replaces CapEx-heavy, reactive upgrades with scalable solutions that combine tailored financing, turnkey modernization, and measurable outcomes. Founded in 2015 and headquartered in Denver, Colorado, Redaptive empowers organizations to reduce risk,...
Redaptive's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Feedback suggests sizable warehouse facilities, a large credit facility, and an inaugural asset‑backed securitization indicate strong institutional confidence and funding capacity. Multiple equity infusions from prominent investors further reinforce balance‑sheet strength for scaling deployments.
Strong Market Position & Advantage: Feedback suggests the company is a recognized specialist in multi‑site C&I EaaS with award‑winning offerings and blue‑chip portfolio programs demonstrating execution at scale. Public case documentation and metering/data capabilities support measurable outcomes that strengthen its positioning within its niche.
Strategic Partnerships: Feedback suggests strategic backing from Honeywell and financing roles from major banks provide product and channel credibility. Partner programs and enterprise collaborations expand go‑to‑market reach and reinforce ecosystem leverage.
We believe that you shouldn’t have to compromise your health or time to enjoy your pool or spa. Clear Comfort’s award-winning Advanced Oxidation (AOP) treatment systems minimize your exposure to toxic pool and spa chemicals and harmful disinfection by-products – so you can Swim Happy™ in clean, clear water that’s kind to your skin, eyes and lungs. At Clear Comfort,...
We motivate people to save energy and fundamentally change how “energy” — utilities, energy retailers, and product manufacturers — and people engage. We create data-driven software that appeals to people’s interests and desires, informs them about their energy use and makes saving energy use and makes saving energy social, fun, and simple.
