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  • Drilling Structures International
    Drilling Structures International
    281-821-7887
    18874 E. Hardy Rd., 77073  Houston

    Quality Program DSII maintains a license through the American Petroleum Institute to manufacture masts and substructures according to A.P.I. standard 4F. DSII has been licensed since 1997. DSII’s policy is to design and produce products and services that meet or exceed our customer’s requirements a…