A mainstay of the
worldwide HVAC market
for over 75 years


Our WGTC brand offers the largest selection of pressure and temperature instruments in the industry. With over $14M of finished goods in stock, no one has more product available for immediate shipment than ESP.

Thermometers & Thermowells


Diaphragm Seals & Gauge Accessories

Cirrus Wireless Thermometer System

P/T Plugs & Tridicators

Custom Dials

Assembly For Diaphragm Seals

Liquid Fill Options


Laser Engraving

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Call Toll Free 888-650-6923

3295 Cobb International Boulevard NW
Kennesaw, GA 30152

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Assembly locations

Assembly Locations in USA, China, Taiwan, India & Mexico