Tejas Tubular integrated production facilities deliver a complete range of oil field products that include TUBING from 2-3/8" to 3-1/2" (grades J55 - N80 (Q) - L80 - & P110); CASING sizes 4-1/2", 5-1/2" , 7" (grades K55 - N80 (Q) - L80 - P110 - & Q125 ); API COUPLINGS through 13-3/8"(tubing couplings in EUE & NUE, casing couplings in LTC - STC - & BTC); PUP JOINTS from 2-3/8" through 4-1/2" (grades J55 - N80 (Q) - L80 - & P110 in either P x P or P x B); OILFIELD DRILL PIPE in sizes from 2-3/8" to 5" (grades E75 - X95 - G105 - S135 in Ranges 1, 2, & 3).