SAN LUIS OBISPO, Calif. — DEL Ozone, an ozone sanitization technology company, has integrated the commercial on-premise laundry (OPL) unit of the National Energy Services Co. Inc. (NESC) into its organization. The integration of NESC’s OPL team puts DEL Ozone in a position to serve a growing demand from OPL operators for energy-efficient and cost-saving solutions, according to the company.