Tri-State has exclusive agreements with the following Manufacturers:

 Product Groups
 Manufacturer Index
 Exclusive Manufacturers
 Leading Manufacturers
 Tri-State Line Card
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Ohio Brass  Arresters & Insulators
Anderson  Automatic Connectors
Fargo  
 Clamps & Connectors,
 Transmission Hardware
Chance  
 Anchors, Tools, Hardware,
 Cutouts, Fiberglass
Hubbell Cable Accessories  UG Cable Accessories
Southwire  600 Volt UG & OH
 Bare & Insulated CU & AL
 15, 25, 35 KV Primary
Locweld Inc.  
 Lattice Transmission
 Towers and Tubular Poles
Siemens Power T & D  Regulators, Breakers,
 Power Transformers,
 FACTS/Power Quality
 SCADA Systems,
 Reclosures
Howard Industries  Pole and Padmount
 Transformers from
 5 kva to 10mva
Landis+Gyr  Single Phase and Three
 Phase Meters, Substation
 Co-Gen Metering, Pre-Pay
 Meter Systems
Hunt Technologies, Inc.  
 Automatic Meter Reading
 Systems, Outage Reporting
Nordic Fiberglass  
 UG Pedestals, Box Pads,
 Ground Sleeves
Utility Solutions Inc.  Hot Line Tools to Include
 "Loadbuster", Wildlife
 Guards
Radar Engineers  
 Radio Noise Locators,
 UG Cable Locators
GEC-ASTRA  600 Volt C.T.'s and V.T.'s
Sicame Corporation  
 Insulation Piercing
 Connectors
Tek ID  
 Identification Products,
 Safety Signs & Labels
Pascor  
 Transmission and Substation
 Switches, Motor Operators
 
PENNINGTON
CROSSARM
Pennington Crossarm  
 Wood Crossarms
 
PUPI  
Fiberglass Crossarms
 
Transtel Group, Inc.  
 Remote Metering
FWT, Inc.  
Tubular Steel Transmission
Poles