MMF Industries Specialty Bank Supplies and Office Products. NetBankStore has been providing MMF Industry specialty Bank Supplies and Office Products and equipment to financial institutions nationwide for over 20+ years. We offer product lines for every department: from the proof department, to the vault, to new accounts and the teller line - banks and credit unions count on us for all their specialized needs. We continually expand our product lines to offer more services and products to our customers. We have over 55,000 bank and office products listed by manufacture, part number, price and description for both stock and custom Bank Supplies.