About Us. Arbor/Metals Inc., a sister company of Triple-S Steel, provides the highest quality Stainless Steel, Aluminum, Nickel Alloys, Titanium, Copper-Nickel, or other specialty metals in stock sizes or processed to your specifications using our in-house equipment. Most of our processing, such as sawing, shearing and computer-controlled burning of circles, rings or custom shapes is performed by our highly experienced operators. Our commitment t...