D'Jack Consulting is an engineering firm specializing in MEP facility design and associated services. The firm operates in Burlington County, New Jersey; one-half hour outside of Philadelphia. Owner and Principal, Devonne Jackson, is a licensed electrical engineer who brings 34 years of experience in the design, commissioning, and validation of MEP systems to the consulting industry. Our purpose is to add value to the multidisciplined engineering project planning, design, bid, and construction efforts.