Top California Energy Startups (280)
Rangeview is building a modern casting platform to manufacture critical metal parts for aerospace, defense, and energy. We combine advanced software, automation, and materials science to reinvent how parts are designed and produced. Based in El Segundo, California, our team brings engineering, manufacturing, and technology together to build the foundry system that reindustrializes America.
Our legacy of leadership in next generation solar energy includes developing the nation’s largest solar cluster and the first plant to beat fossil fuel prices. Today, we are expanding the boundaries of existing technologies to build one of the largest portfolios of smart power plants with integrated storage, capable of providing 30 million people with low-cost, zero-emission energy – day...
Cannon is a multidisciplinary engineering and consulting firm founded in 1976 that delivers civil, mechanical, electrical, surveying, controls and construction management services. Serving land development, water resources, transportation, energy, industrial, municipal, aerospace & defense and public infrastructure clients, Cannon focuses on partnering with clients to deliver reliable, responsive solutions that emphasize safety, operability, maintainability and community impact.
Global Energy Monitor (GEM) is a San Francisco-based non-governmental organization that catalogs, develops, and analyzes data on energy infrastructure, resources, and uses worldwide. Focusing on fossil fuel and renewable energy projects, GEM provides open access to critical information essential for building a sustainable energy future and supporting the worldwide movement for clean energy through its extensive databases, reports, and interactive...
Zachry Nuclear Engineering, Inc. provides comprehensive engineering, design, and project management services for the nuclear industry. The company supports the modification of existing nuclear power plants and the development of new facilities, including small modular reactors. With over 50 years of experience, it offers expertise in electrical, mechanical, structural, and controls engineering, as well as turnkey construction and maintenance services.
Soligent Distribution, a subsidiary of Soligent Holdings Inc., is the largest solar distributor in the Americas, supplying thousands of solar installers and contractors with solar energy equipment, engineering services and project financing solutions. Soligent has been a pioneer in the solar industry since 1979 and continues to drive the market forward with innovative solutions ranging from materials management to project...
Strauch Companies is a privately held operator of retail gasoline stations and convenience stores in Northern California. The company manages a network of service-station locations offering fuel and retail convenience items and regularly recruits store and operations staff via its careers site. Strauch focuses on local retail fuel service and customer-facing convenience retail operations.
Cowboy Space Corporation is an orbital infrastructure company building a space-based power grid for artificial intelligence. They develop vertically integrated systems, including solar-powered GPU data centers in Low Earth Orbit and purpose-built launch vehicles. By integrating the data center directly into the rocket's upper stage, the company aims to provide high-performance AI compute at a scale and speed that surpasses...
General Matter is an American nuclear-fuel startup founded in 2024 dedicated to restoring domestic uranium enrichment capabilities. The company focuses on producing low-enriched uranium (LEU) and high-assay low-enriched uranium (HALEU) to reduce U.S. dependence on foreign suppliers and support the deployment of advanced nuclear reactors, aiming to ensure energy independence and national security.
The Apparel Impact Institute is dedicated to transforming the apparel and footwear industry by identifying, funding, scaling, and measuring proven solutions and programs that decrease carbon emissions and minimize negative environmental impact.
Syblon Reid is a 100% employee-owned heavy civil construction company specializing in technically challenging projects. Its work spans heavy civil and mechanical construction, environmental remediation, marine and water infrastructure, hydro facilities, underground utilities, bridges, emergency response, and high-hazard site work. Founded in 1955, the company serves public and private clients across the Western United States, emphasizing safety, quality, innovation, and...
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical materials for energy, AI, and defense technologies. It combines digital infrastructure with mineral project development to secure reliable and sustainable supply chains.
PM2CM, Inc. is a professional services company dedicated to providing program, project, and construction management, as well as project controls, scheduling, and cost management services.
Kern Energy is an independent, family-owned and operated refinery producing 'California Clean' transportation fuels, including clean gasoline and renewable diesel. Based in Bakersfield, California, and operating for nearly 90 years, the company serves as a critical supplier for the Southern San Joaquin Valley and is a pioneer in renewable fuel production, helping advance California's clean energy goals and reduce its...
At TransGrid Energy we specialize in developing, owning, and operating utility-scale energy storage and PV projects, fundamental to establishing a resilient and sustainable energy grid.
Alphataraxia is an energy-focused quantitative investment management group with offices outside of Washington, DC and Newport Beach, CA. With decades of experience, our professionals focus on data-centric investment strategies in today's energy markets. We focus on understanding and predicting outcomes on electricity grids, where our positions can have a significant impact on real-world outcomes: helping to stabilize energy prices and...
Revamp (www.revamp-eng.com) is the premier engineering firm for large-scale renewable energy projects. We provide reliable, high-quality designs through our unmatched experience and ultimate collaboration. By harnessing our passion, focus, and expertise, we strive to do our part in preserving the planet for future generations. We deliver industry-defining renewable energy solutions that span from development to energization within electrical, civil, structural,...
FUTEK Advanced Sensor Technology, Inc. is a U.S. manufacturer specializing in precision sensors for force, torque, pressure, and multi-axis measurements, along with related instruments and software. Their products are utilized in various industries including medical, aerospace, automotive, and robotics.
