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.
Aikido of Maine / Bayside Bowl / Benchmark Real Estate / Bull Feeney's / Caravan Beads / Casco Bay EyeCare / Clark Insurance / Clicktoast – Digital Advertising / Coffee By Design / CornerStone Building & Restoration / CrossFit Beacon / The Fish & Bone / Float Harder Relaxation Center / Gorham Savings Bank / Green Clean Maine / Joan Leitzer / Lena Geraghty / Liquid Riot / Longfellow Books / Maine Business Immigration Coalition / Malone Commercial Brokers / Marsh Agency / Max Ashburn / Nine Stones / Nomads / OTTO / Philip Spalding / Planet Dog / Port Property Management / Portland Discovery Land & Sea Tours / Portland Food Co-op / Portland Downtown / Renys Department Store / Sebago Brewing Company / Taproot Magazine / The SunriseGuide / University Credit Union / Wellness Connection of Maine / XPress Copy / Young’s Furniture