Our members create and maintain the quality of life in communities across Northwest Indiana and the Southeast suburbs of Chicago. NWILA is a non-profit trade association for landscape contractors and their suppliers with members from all across the region. We have been promoting & setting professional standards for the green industry, and have become a valuable resource to the consumer as well as a viable foundation through which a homeowner can ensure that a prospective contractor has the tools, education & professionalism to complete your upcoming project.