Sumatra Bener Meriah Mandheling Grade 1 is sourced from family-owned farms organized around the KSU Gayo Mandiri cooperative located in the Bener Meriah regency within the Aceh district, on the island of Sumatra, Indonesia. KSU Gayo Mandiri was founded in 2008 and currently has 1218 members. On average, producers cultivate coffee on 2.5 acres of land using their own micro-mills to depulp and dry coffee. The cooperative hosts regular trainings on best agricultural practices to assist small producers with their organic certification while improving the quality of their coffee. KSU Gayo Mandiri also invest premiums generated from certifications in roads to help producers overcome problems transporting their coffee. The cooperative also recently purchased an ambulance to improve access to emergency healthcare.