We're moving our offices.

As a result, this may affect our telephone and email services.
We apologize for any inconvenience and will be fully operational as soon as possible.
Please note: our new administrative address is 2275 W. Midway Blvd., Broomfield, CO 80020

Welcome to S-Square

S-Square Tube Products, Inc. is the manufacturer of industry-leading NEX® tubing and NEX® tube products. We offer Steel Tubing, Sign Support Systems, and Mailbox Support Systems that are strong, safe and aesthetically pleasing. Our product line offers the ideal solutions for mounting or supports in a wide range of applications. Our products are best-in-class and are tested to obtain full certification for the stringent requirements of FHWA NCHRP 350 and the 2001 AASHTO design recommendations.