I've found some great sources for fisting supplies; I've used all of these companies and had great success with them. I'll add others along the way…
Fisting Supplies................................................
..Latex gloves
QuickMedical
..J-Lube
Buy local - I no longer recommend Nasco! (J-Lube FAQ, recipies, or recipies-2)
..Plastic bottles (to bottle up your mixed J-Lube)
Specialty Bottle
..Chucks (underpads — no laundry!)
NorthShore Care Supply
..Condoms
drugstore.com
Non-Fisting Supplies..........................................
..Catheters
Bard Medical
..Medical gear, including needles
Medical Toys.com
..Pumping links
JLubeJack's Pumping Seminar Links

No-no…