Contractor changes at Celanese facilities affect up to 500 Texas jobs

Jacobs Field Services North America Inc. and Brock Services LLC informed the Texas Workforce Commission last month that they would be eliminating a total of 501 positions at Celanese Corp. (NYSE: CE) locations after their contracts at the sites were awarded to different companies.Jacobs Field Services North America — a wholly owned subsidiary of Dallas-based Jacobs Engineering Group Inc. (NYSE: JEC) — told the TWC that its contracts with Celanese, which is based in Irving, would end