Top Greentech Companies in Houston, TX (91)
Powell is hiring! - Powell is dedicated to improving people’s lives by providing reliable power distribution systems in every market we serve. From industrial to renewables we play a part in providing communities across the globe access to electricity, Powell takes pride in listening to our customers, understanding their needs, and proposing innovative and cost-efficient solutions. As a global manufacturer,...
A game-changing solar energy company delivering the next generation of solar power and the most innovative customer service in the industry. The energy industry is stuck in the past, relying on old ways of generating power and outdated customer service practices. We’re Chariot and we believe it’s time for energy to move forward. We’re delivering 100% solar power that’s as affordable...
VLS Environmental Solutions, LLC is a leading provider of sustainable waste management and environmental solutions. The company specializes in waste-to-energy initiatives, processing non-hazardous waste into heat and fuel, as well as hazardous waste management, marine services, and railcar cleaning. They are dedicated to helping clients achieve zero-waste goals and sustainability through an integrated approach to industrial processes and environmental compliance.
SavATree is a full-service tree, shrub and lawn care company specializing in green options for landscape care. Our winning formula combines cutting edge technology, patented ingredients with customer passion - delivered by the best and brightest "Green Team" in the industry!
Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water resource projects, including coastal and flood resiliency. With more than 500 employees in 26 offices across the United States, Anchor QEA works with public and private sector clients to address environmental issues at some of the most challenging sites...
FCC is a global industry providing waste management solutions, municipal, commercial and recycling in the US.
Fervo Energy is a next-generation geothermal power developer providing 24/7 carbon-free energy. The company leverages innovations in geoscience, including horizontal drilling and subsurface analytics, to make geothermal energy a dependable and affordable source of clean power. Its mission is to accelerate the global transition to sustainable energy and decarbonize the most challenging parts of the electricity sector through the development...
ERM (Environmental Resources Management) is a global sustainability consultancy that helps organizations navigate environmental, social, and governance (ESG) challenges. ERM provides advisory and technical services across sectors—energy, mining, infrastructure, manufacturing and finance—supporting decarbonization, regulatory compliance, risk management, and sustainability strategy and implementation through technical, engineering and strategic consulting worldwide.
Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S. oil and gas industry. Our advanced solutions are helping operators meet the technical and operational challenges of today’s extended reach horizontal wells. Our services facilitate operations throughout the lifecycle of a well, including the completion, production,...
Carbon Clean is an established global leader in industrial carbon capture solutions helping essential, but hard-to-abate, industries decarbonise. Our innovative solutions significantly reduce the costs and environmental impacts of carbon capture compared to conventional technologies. Technology to achieve 'net zero'.
TAS Environmental Services is a full-service environmental partner providing comprehensive solutions including emergency response, waste management, industrial cleaning, and transportation services across the Southern U.S. and beyond.
Freese and Nichols, Inc. is a professional planning, consulting and engineering firm serving clients across the Southwest and Southeast United States. With client service and continuous improvement in mind, Freese and Nichols plans, designs and manages sustainable water and infrastructure projects. It is the first engineering/architecture firm to receive the Malcolm Baldrige National Quality Award.
Moon Valley Nurseries is North America's largest grower of box trees and palms, offering a wide variety of trees, plants, and shrubs for residential and commercial clients, along with landscape design and planting services.
Commercial Cleaning Service That Shines There’s more to janitorial services than a mop hitting the floor. Environmental concerns and new technologies have taken commercial cleaning service to a new level. ABM Janitorial Services combines today’s technology with more than 100 years of innovative experience. That means we can offer you a full range of solutions based on your individual needs –...
ABM Industries's Top Stability & Growth Strengths
Strong Market Position & Advantage: Evidence indicates ABM is a U.S. scale leader in facility services with Fortune 500-level revenue and broad vertical coverage, competing effectively across janitorial, engineering, aviation, parking, and energy/EV. The company’s national footprint and record bookings point to durable competitive positioning even as it trails the largest global multinationals.
Strong Revenue Growth: Recent periods show record annual and quarterly revenue and record new sales bookings, with growth described as primarily organic. Multi‑year top‑line increases since 2021 and continued guidance for further gains support a steady growth trajectory.
Diversified Revenue Streams: Operations span multiple segments and end‑markets including janitorial, technical solutions, aviation, education, parking, and energy/EV infrastructure. Segment breadth has supported growth leadership in areas like Technical Solutions and Aviation while other segments expand more modestly.
ENFRA is a national energy infrastructure and Energy-as-a-Service provider delivering vertically integrated engineering, construction, maintenance, asset management, and energy solutions. It serves mission-critical sectors including healthcare, higher education, and data centers, helping clients achieve measurable energy savings, reduce emissions, and build resilient infrastructure nationwide. Its mission is to deliver innovative solutions that empower customers and promote a sustainable future.
ENFRA's Top Stability & Growth Strengths
Strategic Partnerships: Multi-decade EaaS agreements with Baptist Health, Rochester Regional Health, Beacon Health System, and Memorial Health anchor long-term infrastructure modernization. The company also reports more than 20 nationwide partnerships and several large new agreements launched recently.
Strong Revenue Growth: EaaS is described as expanding at a strong compounded rate since 2017, growing from a minor share to roughly half of company revenue. Sharp increases in cumulative backlog, headcount, and active projects further signal accelerating commercial momentum.
Strong Market Position & Advantage: ENFRA is portrayed as a national leader in integrated EaaS for healthcare and higher education, with an EaaS portfolio exceeding $2 billion and what was cited as the largest EaaS concession in U.S. history. Institutional investment from a global infrastructure investor and recognition as a top employer reinforce its standing.
Pace® works with organizations of all types, providing the science to ensure our air, water, therapies, and more are safe for use. Learn more about our laboratory services at PACELABS.com.
Pace Labs's Top Stability & Growth Strengths
Strong Market Position & Advantage: Pace is widely characterized as a U.S. leader in environmental testing with standout PFAS credentials, including multi‑method DoD accreditations and repeated industry recognition. Life‑sciences credibility is evidenced by FDA‑inspected sites and Top CDMO recognition, with leadership most pronounced in specific U.S. niches.
Market Expansion: The company has materially expanded its footprint via acquisitions (e.g., Alpha Analytical, ESL, Agra) and site adds, bringing the U.S. network to roughly 125–127 labs and service centers by late 2024. Life‑sciences additions (Curia NJ, Catalent RTP) and new centers and facilities further extend reach and capacity.
Future-Ready Strategy: Capacity investments target high‑growth areas such as sterile fill‑finish, biologics, gene therapy, and advanced PFAS methods, alongside positive FDA inspections and new centers of excellence. Backing for expansions, including a state‑supported buildout, indicates preparation for rising regulated testing and advanced therapy demand.
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.
Intuitive Machines' complete lunar program unlocks the lunar economy to explore the solar system further and gain knowledge for the progress of humanity. As the premier provider of space services and technologies, Intuitive Machines is reestablishing the United States' dominance on the ultimate high ground, the Moon. Designed by the greatest minds in spaceflight, IM's lunar program will send the...
Onterris is a global environmental solutions and services company that helps organizations address challenges where environmental pressures, regulatory expectations, and operational risks intersect. Its work includes consulting, testing and analysis, and treatment technologies. The company serves asset- and resource-intensive industries, operating across the United States, Canada, and Australia with a mission focused on environmental stewardship and protecting the integrity of...
GFL Environmental Inc. is a leading North American provider of diversified environmental waste management and infrastructure development solutions. It is the fourth largest diversified environmental services company in North America, providing comprehensive solid waste management, liquid waste management, and soil remediation services across Canada and the United States to over 4 million households and 135,000 industrial, commercial, and institutional customers.
