UNITED STATES (Nationwide)

Mark Ragel/Water Harvesting International
A full-service, licensed, bonded, and insured water-harvesting contractor and consulting company, WHI offers consultation and implementation for a range of services from pumping and filtration (including drinking-water) to cistern design/engineering/installation, irrigation, earthworks, swimming-pool conversion, and greywater services – see those sections of this website, visit their website, or contact them for details. WHI works directly with homeowners, general contractors and architects.
www.waterharvstingint.com
markaragel@gmail.com

Rain Catchers
This company, based out of North Carolina, offers matrix, rain & greywater harvesting systems that can take you from irrigation all the way to tap water. Services available nationwide.
www.rain-catchers.net