Tennant, a leading cleaning equipment manufacturer, has strong margins, impressive growth, and a robust balance sheet, but ...

(Alex Kormann/The Minnesota Star Tribune) In 2019, Walmart saw a concept from Tennant for a robotic version of the standup floor washing and scrubbing machine that it used in many stores — and ...

Investors and the media tend to overlook the innovation and efficiency that happens inside old-line industrial companies. They instead throw money and attention on flashy, fast-growth tech ideas like ...