Griffin Waste Has Quickly Become Asheville's #1 Source for Portable Toilet Rentals / Port-a-John Rentals. We provide Portable Toilet Rentals and Porta-John Rentals for Construction jobsites "large or small". We also provide Portable Toilet Rentals / Port-a-Jon Rentals for special events from 1 Portable Toilets to 100 or more Portable Toilets. Griffin Waste is the only place to call!