Since 1995, Larry and Amanda Grim’s family-operated Canine Safety Systems has installed and serviced underground pet-fencing systems for Pennsylvania families. Larry’s animal-science degree, veterinary-technician experience and background in farming inform the company’s distinctive approach, which includes custom machinery for deep wire burial and driveway tunneling. Based in Quakertown, the company has helped more than 15,000 families and also supports many existing systems from other brands.