AVK Companies

Water

Fire

Certification & Regulation

Drinking Water in Developing Countries

AVK Companies
Large Diameter and Specialty Valves
AVK International
AVK Rubber
Glenfield Valves, Ltd.
Aquagas AVK
AVK Australia
Wouter Witzel
Hillen de Lelie (HDL)

Water
National Rural Water Association
American Water Works Association
Water Environment Federation

Fire
National Fire Protection Association
Insurance Services Organization

Certification and Regulation
Underwriters Labs
National Sanitation Foundation
Environmental Protection Agency
Factory Mutual

Drinking Water in Developing Countries
International Rural Water Association
Water for People