Massachusetts Energy Companies
495 companies listed

Williams Energy provides quality fuels and reliable energy services to homeowners and businesses throughout the South Shore community. We are proud to offer all types of fuel sources including heating oil, propane, natural gas, diesel fuel, charcoal, and coal as well as complete indoor comfort services…

World Energy is one of America’s largest suppliers of biodiesel offering over 100 Million gallons (330,330 Metric Tons) of annual biodiesel production.  Our fuels and fuel blends exceed the industry’s most demanding specifications and we offer certified BQ-9000 as well Q-RIN verified…

Beartooth Electric Cooperative, Inc. (BEC) is a not-for-profit company with it's office located in beautiful Red Lodge and a crew outpost located in Columbus, Montana. We were incorporated in 1938 and have a long history of service to Stillwater, Sweetgrass, and Carbon Counties in Montana along with…

New England Renewable Energy Systems has a single mission to serve our customers by enabling the lowest and most predictable energy costs possible and in certain cases a net-zero energy status for commercial buildings and private residences in and around Boston, its suburbs, Cape Cod, and other parts…

Patriot Energy Group is a client side energy management firm that works closely with businesses to help manage the risks associated with electricity and natural gas costs. We strive to understand our clients' objectives and take the time to ask our clients questions in order to evaluate their needs.…

Scott Energy is a full service energy company, with great service at its company’s core. Anyone can delivery fuels to someone’s property, but not everyone cares about the efficiency of the system as a whole like we do. And that is just one reason why our customers enjoy receiving the highest…

The Old Ironsides team formerly made energy investments for a Fortune 100 company and spun out in 2013 to become an independent investment manager.The team is comprised of an experienced group of industry experts and benefits from significant continuity and stability with the four Principals having…

1366 is committed to a future where silicon based photovoltaics provides a large part of the energy used by humankind. Our mission is to provide innovative, production worthy processes, materials and machines that will drive the cost of solar electricity to parity with electricity from coal. We believe…

Mass Megawatts Wind Power, Inc. (OTCBB: MMMW) is a leader in the development of low-cost, clean energy systems designed to meet the increasing global demand for energy through the use of environmentally-friendly technologies. This includes patent pending innovations for solar power systems that…

Nuvera manufactures fuel cell power and hydrogen generation products designed for reliability, productivity and efficiency. Corporate Officers Delivering hydrogen innovations to market requires more than technical know-how. It demands industry professionals with extensive knowledge in business,…

Yaskawa – Solectria Solar, a wholly-owned subsidiary of Yaskawa America, Inc., is the #1 commercial inverter supplier in the U.S. Solectria’s products include 3.8 to 750 kW inverters, string combiners and web-based monitoring for all size solar systems. Solectria is backed by over 100 years…

GreatPoint Energy produces clean, low cost natural gas from coal, petroleum coke, and biomass utilizing its bluegas™ catalytic hydromethanation process. Bluegas™ operates at significantly higher efficiency than competing technologies and benefits from lower capital intensity, a superior…

Aeronautica Windpower is a sales, marketing, manufacturing, and O&M service company that builds and markets commercial and industrial (500 - 3,000 Kw) wind turbines for wind farms as well as behind-the-meter and net-metered applications. Aeronautica Windpower was incorporated in 2008…

America's first offshore wind farm. To be built on Horseshoe Shoal on Nantucket Sound, offshore Massachusetts. The Team Cape Wind's developer is Energy Management Inc. (EMI) a New England based energy company with 35 years of experience in energy conservation and energy development. ESS Group, Inc.…

Resolute Marine Energy (RME) is developing technologies that produce clean energy from ocean waves. Since the company’s founding in 2007, RME has received generous research and development funding from the U.S. Department of Energy and the U.S. Department of Interior – Bureau of Reclamation…

Enel Green Power North America, Inc. (EGP-NA), part of Enel Green Power, is a leading owner and operator of renewable energy plants in North America with projects operating and under development in 21 U.S. states and two Canadian provinces. EGP-NA owns and operates over 90 plants with an installed capacity…

Celebrating more than 160 years of serving the energy needs of western Massachusetts, Berkshire Gas has built its business on a solid foundation of service and innovation. A truly progressive utility company, Berkshire Gas provides natural gas service to more than 37,000 customers in western Massachusetts.…

ReGen’s core technology is its proprietary heat engine that operates at temperature differentials well below those of most other engines.  Our initial designs call for operating temperatures of 250 degrees Centigrade and 100 degrees Centigrade.Manufacturer of power systems for industrial…

SolarOne Solutions transforms the power of the sun into simple, effective, and reliable off-grid solutions that you can implement today and rely on for years to come. SolarOne® deploys Solar Powered Lighting Systems and Harvester Solar Generator systems across the globe for a wide range of applications…

Gulf Oil has been a recognized brand in energy since 1901. Currently, Gulf Oil is headquartered in Wellesley Hills, Massachusetts with operations in 36 states and the Caribbean. Among Gulf's activities is the distribution of quality motor fuels, both gasoline and diesel, to over 1,800 branded outlets…