Off-Grid Source is a leading online retailer of complete solar power systems, home backup solutions, and portable power products for homeowners, homesteaders, RV owners, contractors, and off-grid properties across the United States. Founded in 2023, we specialize in complete, professionally designed solar systems built around trusted brands like SunGold Power, EG4, and Sol-Ark, with every component verified for compatibility. We also offer power stations, batteries, inverters and backup solutions from EcoFlow, Anker Solix, Jackery, and Bluetti. What truly sets us apart is our hands-on customer support. We don't just sell equipment - our team works directly with customers to size systems, answer technical questions, and provide guidance before, during, and after the sale. So many of our customers tell us the advice and support were just as valuable as the products themselves. We back that with free shipping, price matching, and easy returns. Build your energy independence with us.

Davidson Electric "Like the Bike" King of Prussia (610) 275-2168 Bryn Marw (610) 527-2296 Wayne (610) 239-1333 Phoenixville (610) 935-0981 Emergency (484) 686-0023 Fax (610) 270-9835 PA HIC Lic. #PA010070. Electrical contractor who attempts to be on sight during all projects Davidson Electric Is an established business of over 30 years. Doing a combination of residential and commercial work, We specialize in maintenance Service installs and Generator installs. Having maintenance contracts with such stores as J Crew, Black & White, Aldo shoes, William Sonoma, Nova Care, Lattanze Builders, Staples Construction, Matera Builders, Global Maintenance, MC sign Company, Boss Facilities, Retail MDS Sunset Lighting, Cross com, First American Home Buyers construction, Professional Retail Outlet Services, Wenberies Restaurants, Global Retail Maintenance. We service Eastern and Western Main line as a hole reaching out to Montgomery Delaware and Chester counties The majority of our work is through an established customer. Our future is quite bright as the younger employees are showing an aptitude for their career choices with dedication to the company.

Penncat offers value-added engineering to design, install, and manage your power projects. We are your source for emergency generators, gen sets, onsite power, uninterruptible power supplies, battery chargers, technical services, renewable energy, communications & controls, and custom enclosures.

Power Island Energy LLC and GREENPLANT Energy Inc. are leading companies for Distributed Energy CHP systems. They both offer modular systems that can range from 1 MW - 20 MW plus the added benefit of combined cooling and heat thermal energy to achieve 50-90% efficiencies. These CHP systems utilize natural gas/bio-gas energy supply and are ideal for high thermal demand customers: - Hospitals - Resorts - Manufacturing facilities - Food/Beverage processing plants - Data Centers - Institutions/Hospitals/Office complex DSI Biodiesel LLC has a proprietary cost effective modular process that coverts waste or virgin vegetable oil into high quality EPA certified diesel fuel. The 'EasyFuel' distributed biodiesel plants it for municipalities/counties to provide low cost fleet diesel fuel.