Product Lines


Royal Smit Transformers
Large Power Transformers
Up to 1000 MVA & 800 kV
Autotransformers, GSU Transformers, Shunt
Reactors, Phase Shifters

Delta Star Transformers
Medium Power Transformers
Up to 150 MVA & 230 kV, Mobile Substations, Portable Transformers
Skid-Mount Substations, Mobile Substation Repair & Reconditioning
Transformer Field Service

OTC Services
Transformer Repair and Reconditioning Services
Up to 100 MVA & 825 kV BIL
Furnace and Rectifier Transformer Repair
Reconditioning Services – Transformers & Mobile Equipment
New Transformer Manufacturing – Small Power

Electrical Technologies Field Services
Turnkey Installation Service for all Manufacturers’ Transformer Equipment
Assembly, Vacuum Dry-Out, Oil Processing & Oil Filling under Vacuum
Full Field Acceptance & Maintenance Testing Services
Repair & Field Service Warranty Provider

Insulation Technology, Monitoring Equipment, Transformer Accessories, Laboratory Services/Oil Analysis, Engineering Services

MindCore Technologies
Substation disconnect switches from 15kV to 800kV (100A to 4000A), Vertical break, Double side break, Center break, & Side break

Intermountain Electronics
Control Buildings, E-Houses, PDC’s, Relay Panels, MV Switchgear, Pumping Systems/Pump Skids/Inverter Skids, Energy Storage Systems

Mesa Technical Associates
Full line of DC Power Systems and Products, DC Rectifier/Charger Systems, Substation Batteries & Racks

Raytech U.S.A. Inc.
Winding Resistance Meters with Demagnetization and Discharge, Turns Ratio Meters, Contact Resistance Meters, Power Factor Test Sets, CT Test Sets, Software