Union Metal Industries Corp. manufactures engineered steel structures and poles for infrastructure applications and has been in business since 1906. It says it pioneered the tapered tubular pole and produced electrical light poles installed in more than 4,400 American towns during the 1920s and 1930s.
American Institute of Steel Construction (AISC) Factory Certification
AWS D1.1 Welding Conformance
Compliance program
AASHTO Standards Conformance
Compliance program