Semi-Probes, Inc., a world leader in probe card manufacturing. S.P.I. has over thirty years of experience and innovation has been, and continues to be, a base for our deep knowledge and understanding of probe cards and equipment related requirements. Built upon this foundation of knowledge, Semi-Probes, Inc. can provide you with the technical expertise for complicated testing requirements. Built upon this foundation of knowledge, we can provide you with the technical expertise for complicated testing requirements.