Manufacturing Dock Seals since 1978


What makes us different from all other Dock Seal manufacturers is our support for our Seals. When you need help fitting your building, measuring for projections, and even finding installers – we offer a LIFETIME of support for all GMA Dock Seals. We’re second to none and will always go the extra mile so you have less questions and concerns about your Seals fitting and functioning as they should. Don’t spend thousands on seals that don’t fit or meet your needs perfectly.