・ A firm size (number of employees, annual sales volume, market share);

・ Location (country, region, city);

・ Age of a firm;

・ Length of relationship with a supply chain partner;

・ Product line shipped

・ Compliance with quality requirements;

・ Defect rate;

・ Corrective and preventive action systems;

・ Quality management program (TQM, six sigma);

・ Documentation and self-audit (ISO certification) Inspection and control;

・ Process control and capability;

・ Coordination

・ Shipment quality (package, lead time)

・ “Voice” of company stakeholders;

・ Individual’s job network;

・ Personal relationship (friendship)

・ Personal relationship (family);

・ History of relationship of SC partners;

・ Location (familiarity, closeness);

・ Status (reputation)

・ Competitors;

・ Shared resources dependency;

・ Degree of task dependency;

・ Technology change uncertainty;

・ Environment uncertainty (currency exchange rate, laws and regulations, politics)