Schweitzer Engineering Laboratories
Schweitzer Engineering Laboratories

Solutions, Systems, Services, and products for the Protection, Monitoring, Control, Automation, and Metering of Utility and Industrial Electric Power Systems.

LINAM(R), AutoRANGER(TM), and RadioRANGER(TM) fault indicators, and PILC sensors.

Hughes Brothers
Hughes Brothers

Transmission structures, wood crossarms and braces, hardware, and fiberglass brackets.

Doble
Doble Family

Doble family of products including:

  • Protective Relay and circuit breaker test equipment.
  • Online monitoring products for transformers and bushings.
  • RTS and Powerbase software solutions.
  • Morgan Schaffer Dissolved Gas Analysis (DGA) products and services
Morgan Schaffer
Manta Test Systems
Vanguard Instruments Company, Inc.
Enoserv
VFP Equipment Shelters & Modular Structures
VFP Equipment

Engineered Control Houses and Shelters

Royal Switchgear
Royal Switchgear

Substation group-operated disconnect switches, substation and distribution hookstick disconnects, and substation connectors.

HICO Hyosung Corporation
Hico America

Large Power Transformers and Circuit Breakers.

Myers Power Products, Inc.
Myers Power Products, Inc.

Metal Enclosed Switchgear, Arc Resistant Switchgear, Permanent and Mobile Unit Substations, Non-Segragated Bus Duct, Metal Clad Switchgear.

Mega Power Systems
Mega Power Systems

Universal Test Switches, FT-1 Replacements

Borri

UPS uninterruptible power supply for computer and peripheral, data center, network and server.

NGK-Locke
NGK-Locke, Inc.

Porcelain and Polymer High Voltage Insulators.

Trench
Trench

CVT’s, CT’s, reactors, line traps, and instrument transformers.

Service Wire Co.
Service Wire Co.

Bare Copper, Control/Power Cable, USE/RHW-2 and XHHW-2, Poly Line Wire and Transformer Riser

Old Castle
Oldcastle

Precast Substation Security and Fire Walls, including free-standing Defender, Sentry, and Trufire walls. Vehicle and Pedestrian Rated Trench.

Lindsey
Lindsey

Transmission and distribution line hardware, current and voltage line sensors.

Electroswitch
Electroswitch

Complete line of electrically and manually operated Rotary Switches and Relays for electric utility, defense, and industrial monitoring and control applications.

Boltswitch
Boltswitch

Bolted pressure contact switches