BENTON TOWNSHIP — Gast Manufacturing’s success over the last century isn’t a bunch of hot air – it’s compressed air.

The Benton Township-based manufacturer has specialized in products that move air since 1921. In honor of the milestone, Gast is celebrating its 100th anniversary this month.

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Dave Rantz works on rotary pumps Tuesday at Gast Manufacturing in Benton Township.

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Gast Manufacturing in Benton Township is celebrating its 100th anniversary.

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Tod Freehling, left, and Vaniah Shaw work on assembling air pump motors Tuesday at Gast Manufacturing in Benton Township.

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An anechoic chamber used for sound testing is pictured Tuesday at Gast Manufacturing in Benton Township. The company is celebrating 100 years in business this month. 

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