OCONOMOWOC — Let’s turn the clocks back and go 100 years into the past. It's 1925. A gallon of milk costs about 30 cents, The Great Gatsby was just published, and an Oconomowoc manufacturing business got its start.

Sentry Equipment Corp. in Oconomowoc began as a manufacturer of milk evaporators for the dairy industry in 1925. One hundred years later, Sentry is creating components for crucial industries like water, energy, and oil.

“From small-town Oconomowoc, we’re sending our products and services all over the world. People in China, people in Australia, people in Europe rely on our products and services to run their businesses," Brian Baker, the president and CEO of Sentry Equipment Corp., said.

Sentry makes the equipment that power plants, water treatment facilities, and oil refine

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