South Jersey Industries | 26,196 followers on LinkedIn. SJI provides safe, reliable, affordable clean energy solutions for a better today and tomorrow. | SJI, an energy infrastructure holding company based in Folsom, NJ, delivers energy services to customers through two primary subsidiaries: SJI Utilities (SJIU) and SJI Energy Enterprises (SJIEE). SJIU houses the company’s regulated natural gas utility operations, delivering safe, reliable and affordable natural gas to more than 700,000 residential, commercial and industrial customers across New Jersey via its South Jersey Gas and Elizabethtown Gas subsidiaries. SJIEE houses the company’s non-utility operations primarily focused on clean energy development and decarbonization via renewable energy production and energy management activities.