CHICAGO, Illinois, July 31 [Category: Business] -- The National Marine Manufacturers Association issued the following news release: NMMA proudly welcomed fourteen new members to the association. As members of the association, our new, valued stakeholders have taken an active role in the success and vitality of the marine industry. NMMA membership keeps companies connected to issues vital to their business and provides information, resources, programs, and services to help them grow and keep a c  more