EDI-ECI elevator, custom elevator, elevator design, cab interior, elevator redesign, FOR NEARLY 70 YEARS, Elevator Doors Inc., Elevator Cabs Inc., (EDI/ECI) has produced custom elevator cabs and entrances for the Elevator, Construction and Real Estate markets. EDI/ECI, headquartered in Paterson, New Jersey, occupies over 60,000 sq. feet of state of the art manufacturing space and employs over 110 staff members on average. Originally named The N.J. Engineering & Design company, our organization was established in 1943 to answer the increasing demands of a new and growing industry. After extensive marketing research, Elevator Doors and Cabs (a.k.a. EDI/ECI) was born.