William J. Mills & Co Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Canvas Manufacturer William J. Mills & Co PO Box 2126Greenport, NY 11944 | View on Google Maps Bob Mills 631-477-1500 Visit Site Connect With Us Member Since: 2020 Send a message to: William J. Mills & Co Your Name: Your Email: Subject: Message: (Date: 4/6/2026)