Energy Efficiency Experts

Rock Spring Contracting is a trusted subcontractor and valued partner in the construction industry, offering a wide range of services including interior ceilings and walls, exterior wall systems, mission critical projects, demolition, and more. With a reputation that is unmatched, Rock Spring is known for delivering exceptional results and exceeding customer expectations. What sets Rock Spring apart is their unique approach, going above and beyond to ensure customer satisfaction. They have a dedicated US citizen workforce, provide wage assurance, and prioritize safety in all their projects. Established in 2010, Rock Spring has completed over 3,000 projects and has headquarters in Kensington, MD, with additional locations in Washington, DC, Richmond, VA, and Charleston, SC.Generated from the website

Washington Gas Energy Services is one of the largest suppliers of natural gas and electricity in the mid-Atlantic states. It serves more than 200,000 customers in Maryland, Virginia, Delaware and District of Columbia. The company offers services for retailers, offices, restaurants and warehouses. Washington Gas Energy specializes in customized pricing, emergency supply and electricity contracting services for commercial and residential customers. The company provides natural gas distribution and delivery services. It is a subsidiary of WGL Holdings, which is a public utility holding company. WGL Holdings also operates Washington Gas Energy Systems, which is a provider of design and energy solutions to government and industrial clients.