Greenware Systems, Inc. Share: Web Design Greenware Systems, Inc. Visit Website OH 419-865-8535 Greenware Systems Website About Rep Info About We develop custom software applications for businesses to help improve their efficiency whether it's on Stand alone PCs, Networks, The Internet, or Mobile Devices. Whom to Contact John Green President 2113 Longport Dr. Maumee, OH 43537 Phone: (419) 865-8535