International Water-Guard, founded in 1989, is a leading provider of flight-certified potable water treatment units, on-demand water heaters, and innovative weight-reduction water components and systems utilized on commercial and business aircraft. IWG’s products improve the quality of the onboard water system, protecting both passengers and crew from the risk of waterborne illnesses, and provide exceptional components to enhance the capability of OEM installed water systems. IWG is headquartered in British Columbia, Canada.

In 2017, BASE acquired 100% of the shares listed on the TSX Venture Exchange, taking the company private. In 2023, BASE fully exited its investment in IWG.