I’d start with commercial street furniture suppliers rather than a regular garden center. If you’re outfitting a plaza, parklet, transit stop, campus, or apartment courtyard, look for urban outdoor furniture dealers that specialize in municipal and commercial projects. Brands such as Landscape Forms, Victor Stanley, Maglin, DuMor, and SiteScapes are commonly specified, and their local reps or distributors can usually quote you directly. Park-and-rec suppliers, landscape architecture product reps, and commercial furniture directories are also good places to compare options. If you need a custom size or color, a local metal fabrication shop that also does powder coating can build benches, planters, and bike racks to spec.
Resistance really comes down to materials and finish. Powder-coated aluminum is lightweight and corrosion-resistant; anodized aluminum tends to hide scratches better; HDPE boards resist graffiti and moisture; concrete or FRP with an anti-graffiti sealer works well in heavy-use areas; and stainless steel is tough but can show scratches. Ask for a sacrificial or removable anti-graffiti coating, not just a scratch-resistant surface, and request finish specs such as Taber abrasion results or pencil hardness. For graffiti-prone sites, confirm that maintenance crews can use approved solvents without dulling the finish.
Before buying, request samples, check the warranty terms for graffiti cleaning, confirm replacement parts availability, and ask whether the supplier has municipal references. For one or two pieces, a commercial dealer may sell direct; for larger projects, go through a rep, distributor, or tender process so you get the right commercial street furniture with the right anti-graffiti coatings.