Transmission Companies Represented in the Transmission Market Valmont Transmission Poles SEECO Two-Way Switch Polymer Insulators to 35kV Guy Guards, Riser Guards Signs, Tags, Labels, Marking Systems Pole Anchors and Accessories Underground Conductor for Transmission and Distribution and Subsea Use. Conductor Hardware, Emergency Towers, Sensing Equipment Polymer and Porcelain Transmission, Substation and Distribution Insulators Phisterer HV Connectors, Aircore Reactors Overhead Distribution Line Hardware, Grounding and Anchoring products Motor Operators, Phase Over Phase Switches & Interrupters Splice Connections, Heat & Cold Shrink Insulation, Control Cable Steel Arms, Brackets, Fabrication Decorative and Street Lighting Poles and Products