EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT SUBSIDIARY STATE OF INCORPORATION - ---------- ---------------------- New Jersey Natural Gas Company New Jersey NJR Energy Services Corp. New Jersey Subsidiaries: NJ Natural Energy Company New Jersey NJR Energy Corp. New Jersey Subsidiaries: New Jersey Natural Resources Company New Jersey NJNR Pipeline Company New Jersey NJR Storage Corporation Delaware Natural Resources Compressor Company New Jersey NJRE Operating Company Oklahoma NJR Development Corp. New Jersey Subsidiaries: Commercial Realty & Resources Corp. New Jersey NJR Computer Technologies, Inc. New Jersey Paradigm Power, Inc. New Jersey Subsidiaries: Lighthouse One, Inc. New York Lighthouse II, Inc. Delaware