Endot Industries of Rockaway, N.J., one of the largest suppliers of high-density polyethylene (HDPE) small-diameter water pipe, has announced the purchase of a 65,000-square-foot manufacturing facility in Pryor Creek, Okla. This facility becomes Endot’s fourth production plant; the others are in Rockaway, Greeneville, N.C. and South Point, Ohio. The company is celebrating its 30th anniversary this year and now is one of the largest and oldest HDPE producers in the United States.