Nucor Steel Marion, Inc.  is a steel mini mill that manufactures a full line of specialty steel products in the specific shapes needed for the highway, construction and agricultural industries.

We specialize in high-tension and low-tension cable barrier systems, 27' and 31" guardrail systems, breakaway U-channel, small and mid-range signposts, and delineators. Many of our brand names – NU-CABLE!", NU-GUARD!", RIB-BAK®, LAP-SPLICE™, BEND-BAK®, SLIP SAFE™, and SLIP SAFE SUPREME™ are well known in these industries.