Plumbco has been a Wenatchee-based commercial contractor since 1989, with a dedicated fire protection division alongside its plumbing work. It designs, installs, inspects, tests and maintains fire sprinkler systems and installs, tests and repairs backflow prevention assemblies. It serves North Central Washington and beyond. The firm holds a Washington State Patrol fire sprinkler system contractor licence (Level 3) and employs NICET-certified technicians.