Green Festival Exhibitors
Exhibitors are companies that are in line with Green Festival's core values and beliefs. Read More.
Leads the development & availability of wind and solar energy.
Illinois #1 trusted installer of renewable energy systems
Chicago based & one stop company for all Renewable Energy needs. We specialize in Designing & Installing Solar PV, Solar Thermal, Wind Turbines, Geothermal, LED Lighting & Energy Auditing. Rebates, Grants & Federal Incentives up to 75% We take the guess work out to insure you get the maximum benefit.
Milwaukee based solar panel manufacturer
Helios Solar Works builds solar panels in Milwaukee, Wisconsin, USA. We make high-quality, high-efficiency solar panels for residential, commercial and utility installations. Clean, smart solar electricity from a local company, what could be better? We also give plant tours.
Promoting renewable energy, efficiency and sustainability
REA is listed top 100 US installers for solar and wind power
Portable Solar chargers, gadgets & lights/custom laser engraving
A limitless supply of clean, safe, renewable lighting
Chicago's premier solar energy provider since 1977
Since 1977, Solar Service, Chicago's most experienced solar company has offered the very best solar heat, hot water, and solar electric systems. Our systems are affordable, reliable, maintenance-free and rated highest in efficiency. We love helping homeowners, businesses, and schools take control of their energy future, while creating a greener planet.
Tremont Electric is a Triple Bottom Line Green Plus certified clean energy startup dedicated to providing renewable energy to consumers around the world through the patented nPower® technology. nPower’s® unique method of generating environmentally friendly electricity positions Tremont Electric as the technology leader in kinetic energy harvesting. nPower® technology is scalable and provides a range of product opportunities from small, implantable biomedical generators, to human-motion powered generators, to large commercial scale wave energy converters.