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Arthur H. Thomas Company (AHT) is a holding company of unique, precision engineering products, processes, and systems.

AHT today is a holding company of several businesses that are leaders in their markets

A History of Quality

In 1892, Arthur H. Thomas joined the microscope department of the James W. Queen Company, a prominent supplier of optical and scientific equipment in the 1800’s. Several ambitious entrepreneurs got their start at Queen and went on to create some of the country’s most successful new ventures.

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AHT IS A HOLDING COMPANY OF BUSINESS THAT ARE LEADERS IN THEIR MARKETS

A leader in the testing, filtration and sustained purification of pool water.

Cannon Instrument Company

A trusted leader in technologies, instruments, services, and certified reference materials dealing with viscosity, rheology, and others.

PDS Performance Distillation Solutions

A worldwide leader in engineering and manufacturing distillation packing material.

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