A total of 72 questionnaires were developed, tested and distributed to the automotive related industries in Sao Paulo, Rio de Janeiro and Rio Grande do Sul, Brazil. A total of 30 questionnaires were distributed to the electronic related industries in Manaus Free Trade Zone. Positive and negative statement is used to simplify the validation of questionnaire to build the supply chain vulnerability map. The survey sent the questionnaires via e-mail to the targeted respondents and some of them included face-to-face interview. The returned/ replied questionnaires, 32 from the automotive industry and 14 from the electronic industry, represent a total response rate of approximately 45 percent.