▁Sus sex , ▁Kent ▁and ▁London . ▁The ▁company ▁is ▁H ET AS , ▁G AS ▁S AF E , ▁CH AS ▁and ▁Const ruction ▁Line ▁registered . ▁ ▁All ▁the ▁Ch im ney ▁S we eps ▁are ▁H ET AS ▁qualified . ▁ ▁Mil bor row ▁Ch im ney ▁S we eps ▁expanded ▁over ▁time ▁and ▁became ▁one ▁of ▁the ▁largest ▁chim ney ▁swe eping ▁company ▁in ▁the ▁United ▁Kingdom . ▁In ▁ 2 0 0 2 ▁Mil bor row ▁Ch im ney ▁S we eps ▁were ▁granted ▁the ▁Royal ▁W arr ant ▁of ▁App oint ment ▁by ▁Queen ▁Elizabeth ▁II ▁in ▁ 2 0 0 2 . ▁Further , ▁in ▁ 2 0 1 2 ▁they ▁were ▁also ▁awarded ▁a ▁royal ▁war rant ▁by ▁Charles , ▁Prince ▁of ▁Wales . ▁ ▁Now ▁being ▁one ▁of ▁only ▁ 1 8 0 ▁companies ▁to ▁hold ▁multiple ▁war r ants . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Home page ▁of ▁Mil bor row ▁Ch im ney ▁S we eps ▁ ▁Facebook ▁Page ▁of ▁Mil bor row ▁Ch im ney ▁S we eps ▁ ▁Twitter ▁of ▁Mil bor row ▁Ch im ney ▁S we eps ▁ ▁Category : B rit ish ▁Royal ▁W arr ant ▁hold ers ▁Category : Comp an ies ▁based ▁in ▁West ▁Sus sex <0x0A> </s> ▁G illes ▁I . ▁P is ier ▁( born ▁ 1 8 ▁November ▁ 1 9 5 0 ) ▁is ▁a ▁professor ▁of ▁mathematics ▁at ▁the ▁Pierre ▁and ▁Marie ▁Cur ie ▁University ▁and ▁a ▁distinguished ▁professor