For many plumbers, a service vehicle is essentially a tool of the trade that carries supplies and gets technicians from Point A to Point B. But Kevin Grabill views them as mini-businesses — profit centers that are critical to generating revenue and boosting efficiency.As such, Grabill has invested around $350,000 in 10 rolling “offices” for technicians at Grabill Plumbing, the company he owns in Kansas City, Kansas. Those offices feature KUV service bodies from Knapheide Manufacturing mounted on 2015 Ford E-350 truck chassis.“I only buy vehicles that can serve as profit centers, and I try to have those profit centers
