ScaleSigns is a veteran-owned and operated American business specializing in finely detailed signs and accessories for model railroads and miniature scenes. Its extensive catalog includes more than 1,400 scale railroad, traffic, and street signs, with products available in HO, S, O, N, and Z scales. The range covers railroad crossings, speed limits, railroad company names, highway and directional signs, billboards, construction notices, regulatory and warning signs, school signs, gas station and motorist-service signs, and recreational signs. Customers can also find sign poles, precut and completed signs, mud flaps, placards, and other specialized designs.

Beyond signage, ScaleSigns sells detail parts intended to add realism to layouts, including drums, pallets, Jersey barriers, propane cages, and railroad ties. Its Art Department offers custom artwork, art reworking, and made-to-order options, while the site provides resources such as an era guide and paint information. ScaleSigns emphasizes craftsmanship and small details, including printed weathering and sign backs, and states that its products are made in the USA.