BoiE Knows Aqueous OzoneMy AccountCall 800-432-4418Order Online Call 800-432-4418Order Online OZONATED WATER Convert Normal Tap Water into a Super Cleaner! BOI Environmental 1-800-432-4418 (605) 427 2647 Fax 8 A.M. - 8 P.M. CST Extended hrs: 9:00a-4:00p Sat. Mailing Address: PO Box 303, Madison, SD 57042 Location: 101 Egan Ave N, Madison, SD 57042 Map it on Google EPA Establishment Number: 99115-SD-1 BOI Environmental is a privately-held company based in Madison, SD. Better Business Bureau Accredited and Veterans Administration Approved. Our classroom and offices are located on Egan Ave. N and Central St. in a downtown historic building. Online Form Name: Address: City/Province: State: AB AK AL AR AZ BC CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA MA MB MD ME MI MN MO MS MT NB NC ND NE NH NJ NL NM NV NY NT NU NS OH OK ON OR PA PE PR QC RI SC SD SK TN TX UT VA VT WA WI WV WY YT NA Zip Code: Email: Phone: Message: Office Hours 8am - 8pm CST Mon.-Fri. CST, 9am - 1pm Sat. Call 800-432-4418 © BOI Environmental (BoiE). All rights reserved.