Our affiliate companies

Learn more about our valued partners and the variety of expertise we bring!

Joseph Jingoli & Son, Inc. (JINGOLI) is a national constructor servicing power, industrial, healthcare, gaming and educational clientele. JINGOLI provides their clients with budget and schedule certainty, along with the ability to self-perform when needed, and invest equity when necessary; all while providing an industry-leading commitment to safety.

Jingoli Power, LLC assists clients with their complex electrical transmission, distribution / substation projects and programs. Our vertical integration capabilities take a project from conceptual phase through engineering, procurement, construction and commissioning.

JET Electrical Testing is a 24/7 full service testing company founded upon the premise of accurate reporting, project dedication, and customer satisfaction. JET's project managers, engineers, support staff, and field technicians form the cohesive team in which customers have relied on year after year. JET specializes in commissioning, preventative maintenance, equipment repair, apparatus testing, and emergency response/troubleshooting. 

JDC Energy Services, LLC is an C is an energy engineering, procurement, and construction ("EPC") firm and Pay for Performance (P4P) Partner. JDC provides public and private clients "self-fund" energy-efficiency projects without an upfront cost. JDC's ability to identify energy and operational savings in combination with various incentive programs cover the costs of enhancements for Heating, Ventilation, Air Conditioning (HVAC), and Lighting Systems.

Sustainable Engineering Services (SES)

SES is a NJ based specialized engineering firm within the DCO Energy enterprise with a staff of professional engineers in multiple disciplines including Electrical, Mechanical, and Structural engineering.  Our team has hands-on experience and are knowledgeable in all aspects of commercial/industrial systems with a primary focus in the power generation sector.  This includes HVAC systems, fluid pumping, instrumentation & controls, electrical distribution, structures, and power generation.  From concept planning, troubleshooting, system studies, to design documentation, we understand that our clients value their assets and we want to make our expertise available to help ensure efficient, cost effective, and reliable operation into your foreseeable future. 

Goldstar Energy Group, Inc. provides comprehensive energy management services customized to its business clientʼs specific needs, from a team of seasoned energy experts that only work with the most accredited suppliers in the industry. Our A+ accreditation is proof of the integrity and transparency that we offer to our clients. We develop effective integrated strategies for our business clients that minimize energy price risk exposure, maximize energy curtailment potential, and take a proactive position toward long term benefit.