2 companies offer off-piste guiding at Jackson Hole, USA. Each listing was checked on the company's own website; the qualification line is what they state there.
Jackson Hole, Wyoming
The Teton guide service, with more than 80 years in Jackson Hole, running backcountry skiing and avalanche education in winter.
AMGA and IFMGA certified guides (as stated on their site)
Jackson Hole, Wyoming
Backcountry skiing, climbing and mountaineering since 1968, in the Tetons and beyond.
AMGA-accredited guide service (as stated on their site)
Guide at Jackson Hole and not listed, or something out of date? Email info@findpowder.com. All resorts