Uncle Boogers Bumper Dumper - Sells a portable toilet that attaches to a hitch receiver or stands alone. - http://www.bumperdumper.com/
Original OutBack Camping Toilet - Sells a portable toilet for outdoor recreation and potty training. - http://www.outbackpack.com/
The Nature Calls Kit - Sells outdoor waste disposal kits which include trash bags, tissue, degradable trail mitts and instructions. - http://www.pickupmitts.com
Brite Times - Sells inflatable, portable toilets in sizes for adults and children. - http://www.potties.com/
Banyan Industries - Sells a portable toilet for outdoor activities plus a privacy tent and other products. - http://www.packinpotty.com/
The Pett - Sells a briefcase-sized portable environmental toilet that uses a biodegradeble waste bag system. Other accessories available. Contents in English and Japanese. - http://www.thepett.com
Jimmy's Thunder Box - Sells full size portable camping toilets, suitable for camping, outdoors and emergencies, with a carry bag. - http://www.2daloo.com
Freshette - Makes and sells three models of a feminine urinary directory to assist women in urinating standing up. - http://www.freshette.com