▁manufact uring ▁operations ▁in ▁Rain ier , ▁OR , ▁Bridge port , ▁AL , ▁and ▁Ali qui ppa , ▁PA . ▁ ▁Other ▁existing ▁operations ▁were ▁substantial ly ▁re built ▁or ▁modern ized , ▁including ▁the ▁wall board ▁manufact uring ▁plant ▁in ▁East ▁Chicago , ▁Indiana . ▁ ▁In ▁ 1 9 9 9 , ▁US G ▁acquired ▁Sy b ex , ▁Inc . ▁the ▁holding ▁company ▁for ▁Be a dex ▁( a ▁compet ing ▁joint ▁comp ound ▁manufact urer ) ▁and ▁Syn kol oid . ▁Other ▁US G ▁subs idi aries ▁at ▁the ▁time ▁included ▁Al ab aster ▁Ass urance ▁Company , ▁CG C , ▁D onn ▁Product s , ▁Ex pl or acion ▁de ▁Yes o , ▁Gru po ▁Yes o , ▁Gy psum ▁Engineering , ▁H ▁& ▁B ▁Gy psum , ▁L & W ▁Supp ly , ▁La ▁Mir ada ▁Product s ▁Co ., ▁Inc , ▁Red ▁Top ▁Technology , ▁and ▁Yes o ▁Pan amer icano . ▁ ▁In ▁ 2 0 0 1 , ▁the ▁company ▁entered ▁Chapter ▁ 1 1 ▁bank rupt cy ▁proceed ings ▁to ▁resolve ▁legacy ▁as best os ▁law su its . ▁ ▁As best os ▁was ▁a ▁minor ▁ing red ient ▁in ▁some ▁special ty ▁products ▁that ▁the ▁company ▁had ▁stopped ▁s elling ▁almost ▁ 4 0 ▁years ▁earlier , ▁in ▁the ▁ 1 9 7 0 s . ▁ ▁The ▁company ' s ▁operations ▁remained ▁health y ▁and ▁prof itable ▁while ▁it ▁was ▁in ▁Chapter ▁ 1 1 . ▁▁ ▁When ▁the ▁bank