Equipment breakdowns during deadline-sensitive projects hurt profitability and damage business reputations. That’s why manhole rehab specialist Kim Construction Company in Steger, Illinois, owns eight CG-570 progressive cavity grout pumping rigs made by ChemGrout.

“The best equipment is equipment that’s not breaking down,” says Brett Vallow, the company’s project manager and son of owners Kim and Lawrence Vallow. “We put these units through their paces, just...