- Featured Resource of the Month (1)
- Backflow Awareness "Tips" (2)
- Backflow Incidents in the News (4)
- Cross-Connection Control Brochure Samples (25)
- Education and Awareness (19)
- Glossary of Backflow Prevention Terms (1)
- Government Agencies (7)
- Industry/Technical Standards (10)
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- Marketing (1)
- Commercial/Industrial Division
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HDI Industrial/Commercial Division
Assists many automotive manufacturers, Fortune 100 Companies, as well as Pulp & Paper Mills, Hospitals, and Food & Beverage processing facilities. - Municipal Division
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HDI Municipal Division
Provides Cross-Connection Control Services to Over 100 Clients in MI, WI, IL & FL.



