Home About PCT Products Value Added Services Contact PCT "The Source" for Oil Country Tubular Goods. Phillips Casing and Tubing, L.P. PCT S Inventory and Stocking Locations Texas Houston, Texas Sizes 2 3/8 thru 20 API Grades J-55, K-55, L-80, N-80 & P-110 Lonestar, Texas Sizes 4 thru 13 ...