Who We Are. Suncor Stainless Inc. began as a startup Industrial & Marine hardware manufacturer. Suncor experienced rapid growth, and as our product offerings increased, so did an invention and a new market. Atlantis Rail was born out of invention from Suncor and their Wire Rope business. Atlantis Rail now is a leading manufacturer of Custom Cable Railing systems worldwide. Suncor Stainless is the leader in Stainless Steel Hardware for the Industr...