Lakeside Supply Company is a wholesale plumbing, heating, and industrial supplier serving Northeast Ohio. They offer a comprehensive range of products including bathroom, kitchen, and water heaters; pipe, tube, hose, and fittings; hangers, struts, fasteners, and clamps; valves and actuators; pumps and battery backup systems; fire protection equipment; tools and supplies; instrumentation and testing equipment; and chemicals, lubricants, and sealants.

Additionally, Lakeside Supply Co. provides various services such as delivery, express will call, tool rental, inventory management, fabrication services, valve automation, and government services.