Top Renewable Energy Companies in San Francisco Bay Area, CA (92)
A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...
UL Solutions's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue increased from $2.678B in 2023 to $3.053B in 2025 and continued to rise 5.2% year over year in Q2 2026, with organic growth of 6.6%.
Profitability: Adjusted EBITDA rose 20.7% in 2025 to $792M and grew 11.2% in Q2 2026, with margin expansion to about 26.8% alongside higher adjusted net income.
Market Expansion: The company is expanding its footprint through acquisitions and capacity investments, including completing the Eurofins Electrical & Electronics business in October 2026 and enlarging testing facilities.
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.
Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have...
Pacific Fusion's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Feedback suggests Pacific Fusion secured a milestone-based $900 million Series A led by prominent investors, signaling deep capital support. The tranche structure tied to delivered milestones indicates sustained access to funds as progress is demonstrated.
Strategic Partnerships: Evidence indicates collaborations with General Atomics and national labs (LLNL and Sandia) to test production-scale pulser modules and advance core technology, strengthening execution capabilities. These partnerships provide critical technical validation and development capacity.
Market Expansion: Feedback suggests the company is scaling its footprint with a $1 billion Research & Manufacturing Campus in Albuquerque while maintaining and growing multiple California R&D campuses. Headcount growth and active hiring indicate expanding operations across regions.
EcoFlow develops clean-energy products that help individuals and families access reliable, affordable power. Its portfolio includes portable power stations, solar technology, home solar battery systems, smart devices, and smart-home energy solutions. The company aims to serve as a trusted energy companion and support a transition toward renewable energy, enabling power at home, outdoors, and in mobile settings through user-focused energy...
Change Research conducts research to understand public opinion. We aim to democratize access to public opinion research, in order to create a world where leaders have near-constant contact with the pulse of public opinion and can make more informed decisions. As a Public Benefit Corporation, we seek to make the world more humane, scientific, and just; as a technology company,...
Luminus is a vertically integrated, fast-growing high-tech company that engages in high-power Light-Emitting-Diode (LED) solid-state lighting, lasers, and SiC power semiconductors for a variety of application areas, including industrial UV, IR, medical, projection displays, high-end illumination lighting, horticulture lighting, grid energy storage, EV and automotive industries. Luminus is at the forefront of the ongoing solid-state lighting revolution and SiC power...
Deep Isolation offers an innovative solution to secure and dispose of spent nuclear fuel from commercial nuclear reactors. Our horizontal drill hole technology offers both safety and low cost. While the drilling technology is standard, Deep Isolation is the first company proposing to use this method for the safe isolation of spent nuclear fuel under a billion tons of rock...
Amprius is a leading Lithium-Ion battery developer. Amprius's silicon technology was originally developed at Stanford University and enables dramatic improvements in the energy density and specific energy of Lithium-Ion batteries. Amprius is backed by some of the world’s leading investors, including Trident Capital, VantagePoint Venture Partners, IPV Capital, Kleiner Perkins Caufield & Byers, and Dr. Eric Schmidt.
Trane Technologies is a global climate innovator dedicated to accelerating the transformation toward a more efficient, resilient, and sustainable future by developing solutions that reduce carbon emissions and improve energy efficiency across buildings, homes, industrial operations, and transportation systems.
Mitra Chem is the first lithium-ion battery materials manufacturer focused on shortening the lab-to-production timeline by over 90%, addressing the largest barrier to innovation: R&D and scale-up speed.
SolarEdge is a global leader in smart energy technology. By leveraging world-class engineering capabilities and with a relentless focus on innovation, SolarEdge creates smart energy solutions that power our lives and drive future progress. Established in 2006, SolarEdge developed the DC optimized inverter solution that changed the way power is harvested and managed in photovoltaic (PV) systems. The SolarEdge intelligent inverter...
Baya Systems is driving the next wave of foundational chiplet-based, high-performance, and modular semiconductor systems, with a focus on best-in-class on-chip fabric and communication technologies. By enabling seamless interoperability across a diverse array of industry-standard protocols, Baya Systems empowers best-of-breed compute, communication, and I/O solutions to work together. This approach enhances performance, yield, reusability, composability, development time and cost-efficiency. Named...
Piq Energy helps renewable and load developers connect to the grid faster. Piq automates the detailed technical analysis required to site, size, and interconnect large scale infrastructure like solar + storage projects and datacenters.
Tigo is the worldwide leader in flexible module level power electronics (MLPE) with innovative solutions that significantly enhance safety, increase energy production, and decrease operating costs of photovoltaic (PV) systems. Tigo’s TS4 platform maximizes the benefit of PV systems and provides customers with the most scalable, versatile, and reliable MLPE solution available. Tigo was founded in Silicon Valley in 2007...
thyssenkrupp Supply Chain Services provides integrated warehousing, transportation, and quality solutions for industries such as automotive, renewable energy, and eCommerce. They operate as a leading 3PL provider, managing extensive distribution networks to streamline operations and create value for their customers.
We believe clean energy and backup storage should be accessible to everybody. That’s why SunPower designs all-in-one residential solar and storage solutions backed by personal customer service and the industry’s most comprehensive warranty. And with more than 35 years of dedicated solar experience, we’re the only U.S.-based solar company that’s been around longer than our 25-year warranty.
Partnering across the energy landscape to make it easy for customers to save energy and money at home, transforming how we power the world
Silicon Valley Power (SVP) is an electric utility dedicated to providing affordable, reliable, and sustainable power solutions that power Santa Clara and enhance lives. It provides essential services that light up homes, fuel industries, and drive progress, focusing on innovation and exploring new ways to harness renewable energy sources and improve efficiency to create a better world.
Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.


































