S-Square Tube Products, Inc.

221 N. Kuner Rd.

Brighton, CO 80601

(888) 286-6463 / (866) 639- 5717


We started manufacturing a line known as "NEX" tube sign support systems, we make plain, perforated and knockout traffic sign posts that fit in a 2" square ground anchor.They are easy to install, aesthetically pleasing and can be powder coated in an array of colors. In 2003 we introduced the NEX line of mailbox supports, with single, double and multiple designs. All products are NCHRP 350 approved by the FHWA.