LightPolesPlus.com SSSA series steel light poles are manufactured in the United States and deliver the highest quality available to the commercial and industrial markets. Square-straight steel anchor light poles feature one-piece 11ga or 7ga shaft construction fabricated from hot-rolled commercial-grade carbon steel tubing and an anchorage base plate precision machined and fabricated from rigid steel. Factory applied finishing options include polyester powdercoat, hot-dipped galvanizing and custom architectural colors.