Top Los Angeles, CA Greentech Companies (81)

Cox Enterprises is a family-owned enterprise spanning 125+ years of innovation. Through our diverse network of businesses, our people are shaping the future with bold thinking, cutting-edge technology and an unwavering commitment to doing what’s right. Across a range of industries — including automotive, agriculture, cleantech, journalism and more — we’re building a better future for this generation and the next....

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...

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.

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will...

Clean Harbors is North America's leading provider of environmental and industrial services, offering hazardous and non-hazardous waste management, emergency spill response, industrial cleaning, and recycling services.

Swell - Energy meets the sharing economy, with homeowners taking control of their energy through a home battery. Through our online marketplace, we make it easy for homeowners to discover and select the right home battery products and services. Then, we make it rewarding by enabling our customers to make money by sharing extra energy to the grid.

The ocean is an immensely powerful force of nature, and our greatest ally to reverse the tides on climate change. By studying the planet’s natural cycles, Captura designed a solution that removes CO2 from the ocean and harnesses its ability to heal the climate—a process known as Direct Ocean Capture. Developed and proven in Caltech’s laboratories, our unique Direct Ocean Capture...

FieldKit is an open-source software and hardware platform (environmental sensors, app, and FieldKit.org website) that allows individuals and organizations to collect and share field-based research data and tell stories through interactive visualizations. Designed to be easy to deploy customizable, FieldKit can be adapted to meet the needs of diverse research teams, from biology and ecology to marine and environmental sciences,...

EVgo (Nasdaq: EVGO) is one of the largest public fast charging networks for electric vehicles, and the first to be powered by 100% renewable energy. With more than 800 fast charging locations, EVgo’s owned and operated charging network serves over 68 metropolitan areas across 35 states and more than 310,000 customer accounts. Founded in 2010, EVgo leads the way on...

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...

Headquartered in Irvine, California, Montrose is a high-growth environmental services company with more than 50 locations and 1,200 employees in North America.

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...

SCS Engineers delivers environmental solutions by combining long-term experience with compliance and technological expertise. Rated a top performer in multiple environmental categories covering water, air, and soil, and for decades rated in the topmost tier of solid and hazardous waste engineering companies by Engineering News Record, SCS provides environmental solutions to private and public sector clients. Consulting - Engineering - Construction...

We are an engineering consulting and design firm specializing in custom electronics and end-to-end electronic systems. We develop cross-disciplined solutions and products to help solve some of the world’s most difficult problems by optimizing solutions beyond the first order. Our team members have industrial experience developing power converters, motor controllers, analog sensor drivers, RF amplifiers, antennas, mixed signal circuits, and embedded...

The U.S. Green Building Council California (USGBC California) is a member-based nonprofit advocating for a sustainable, resilient, and equitable built environment in California. Join our diverse community of developers, builders, owners, facility managers, architects, engineers, planners, technologists, green financiers, students, experts, advocates, and anyone interested in sustainability. Not part of the industry but passionate about sustainability? We welcome you! With over 100...

By design, Avnos is the world’s best shot to get to gigaton scale of carbon dioxide removal from direct air capture. We are a driven team of scientists, engineers and technical operators working together to solve one of the most fascinating and impactful problems the world has to solve: removing legacy carbon emissions in service of cooling the planet. We know...

Eversource Energy (NYSE:ES), a Fortune 500 and Standard & Poor’s 500 energy company based in Connecticut, Massachusetts and New Hampshire, operates New England’s largest energy delivery system. Eversource is committed to safety, reliability, environmental leadership and stewardship, and expanding energy options for its 3.7 million electric and natural gas customers. We are a company dedicated to our customers, communities and...

Enervee is in the business of helping people and the planet. We’re a mission driven company here to help people choose affordable efficient products that reduce energy use, utility bills, and CO2 emissions at scale. Our solutions bring together the best in data science, behavioral science, digital product design, and marketing to make efficiency for all a reality.

CrossnoKaye’s software brings modern control and automation to enterprise cold storage. Its ATLAS platform connects existing site equipment to the cloud and uses real-time data and AI to fully automate manual processes, without the need for expensive infrastructure upgrades. ATLAS helps industrial businesses cut energy use, reduce costs, and meet corporate standards for safety and compliance. With centralized control and...

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 –...