American Independent Business Alliance (AMIBA)
The Portland Independent Business and Community Alliance, which created Portland Buy Local, is affiliated with the American Independent Business Alliance, a national organization that helps people start and sustain local independent business alliances and buy-local campaigns.
Business Alliance for Local Living Economies (BALLE)
Building and empowering local business networks to foster sustainable, community-based economies.
Institute for Local Self-Reliance (ILSR)
A national nonprofit organization working to advance sustainable, equitable, and community-centered economic development through research, educational activities, and technical assistance.
National Main Street Center
Effective model and many resources to help revitalize downtowns and neighborhood business districts.
Portland’s Downtown District
Supporting and promoting the economic vitality of downtown Portland.
Allagash Brewing Co. / Bayside Bowl / BENCHMARK Residential & Investment Real Estate / Bull Feeney's / Casco Bay EyeCare / Casco Bay Frames & Gallery / Coffee By Design / CornerStone Building & Restoration / CrossFit Beacon / The Fish & Bone / Gorham Savings Bank / Green Clean Maine / Joan Leitzer / Teel Law Office, LLC / Liquid Riot / Longfellow Books / Maine Business Immigration Coalition / Malone Commercial Brokers / Marsh Agency / Max Ashburn / Nine Stones / No Umbrella Media, LLC / Nomads / OTTO / Philip Spalding / Port Property Management / Portland Food Co-op / Portland Downtown / Portland Farmers’ Market / Portside Real Estate Group / Renys Department Store / Runaways Run Club / Sanctuary Tattoo / Sebago Brewing Company / Stacy Mitchell / The SunriseGuide / Tsunami Tattoo / University Credit Union / University of Southern Maine / Wellness Connection of Maine / Young’s Furniture