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Water Specialties Company
Backflow preventer sales and parts supplier.
Safe Flow
Provides backflow prevention training to professionals in the plumbing, pipefitting, fire suppression, irrigation and service industries. Based in Columbia, Missouri.
Watts Backflow Directory
Online directory of certified backflow testers and training schools in Canada.
SPB Utility Services, Inc.
Nevada company specializing in water and wastewater plant consultation, management and operations, including installing and repairing backflow prevention assemblies. Outlines backflow concerns, offers manuals for sale, and will send a monthly newsletter on request.
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