Promotes of the construction industry in Northeastern Pennsylvania. Newsletters, safety, training and education resources. The Northeastern Pennsylvania Contractors Association, NEPCA, is a non-profit corporation devoted to the promotion of the construction industry in Northeastern Pennsylvania. Formed in 1974 with the merger of the Wyoming Valley Builders Exchange and the Scranton Builders Exchange, NEPCA covers the Northeastern part of Pennsylvania with its office conveniently located in Pittston, Pennsylvania.