Plein Air Painting Gear  
Judsons Art Outfitters
Artwork Essentials
Open Box M  
New Traditions
RayMar Art 
SourceTek 
Art Box and Panel
Panel Roo
Panel Pak

Other Plein Air Societies
Paint the Parks.Com
Plein Air Painters of America
National Academy of Plein Air Painters
Plein Air Florida
California Plein Air Artists
Laguna Plein Air Painters Association
Tuscon Plein Air Painters Society
Great Lakes Plein Air Painters Association
Outdoor Painters Society
Plein Air New Mexico
Plein Air Painters of the Southeast
Rocky Mountain Plein Air Painters

National & Regional Plein Air Events

Sedona Plein Air Festival Invitational, AZ
www.sedonaartscenter.com

Carmel Art Festival, CA
www.carmelartfestival.org

Laguna Plein Air Invitational, CA
www.lpapa.org

San Luis Obispo Plein Air Festival, CA
www.sloartcenter.org

Sonoma Plein Air, CA
www.sonomapleinair.com

En Plein Air Texas Invitational
San Angelo, Texas

Telluride Plein Air, Colorado
www.telluridepleinair.org

Plein Air Easton, Maryland
www.pleinair-easton.com

Wayne Plein Air Festival, Pennsylvania
www.waynepleinair.com

Prairie Plein Air, Springfield Art Association
Springfield, IL
www.springfieldart.org