Eastern Contractors Association, Inc. (ECA) is a 270-member trade association of union signatory general contractors and subcontractors, suppliers, and service firms engaged in commercial, industrial and institutional construction throughout eastern New York. ECA traces its history to 1890 and is the region’s only “full-service” contractor association serving the needs of all segments of the construction industry, providing labor relations assistance, planroom services, networking opportunities and other valuable membership benefits.