International Water-Guard is the world's leading provider of flight-certified potable water treatment units, on-demand water heaters, aircraft water pumps, compact water modules, and innovative potable water components. Hundreds of corporate, VIP, and military aircraft operators use IWG solutions to address their on-board water needs. Founded in 1989, International Water-Guard is headquartered in Vancouver, British Columbia.

International Water-Guard was formerly listed on the TSX Venture Exchange. In January 2017, BASE acquired 100% of the shares, taking it private.