7 . ▁By ▁the ▁end ▁of ▁the ▁ 1 9 th ▁century ▁it ▁was ▁difficult ▁to ▁make ▁large ▁prof its ▁off ▁of ▁a ▁decl ining ▁hard wood ▁supply . ▁Indust rial ists ▁needed ▁to ▁find ▁other ▁business ▁ideas ▁to ▁sust ain ▁the ▁local ▁economy . ▁ ▁When ▁histor ians ▁think ▁of ▁Wal lace burg ▁they ▁often ▁remember ▁its ▁three ▁major ▁modern ▁indust ries : ▁glass , ▁br ass , ▁and ▁sugar . ▁In ▁ 1 8 9 4 ▁the ▁Sy den ham ▁G lass ▁Company ▁began . ▁The ▁glass making ▁industry ▁in ▁Wal lace burg ▁last ed ▁over ▁ 1 0 0 ▁years . ▁The ▁factory ▁closed ▁in ▁ 1 9 9 9 . ▁This ▁left ▁approximately ▁ 1 0 0 0 ▁workers ▁un emp loy ed . ▁ ▁Another ▁notable ▁industry ▁was ▁the ▁Canadian ▁and ▁Domin ion ▁Sug ar ▁Company . ▁It ▁was ▁opened ▁in ▁ 1 9 0 1 . ▁The ▁company ▁was ▁known ▁for ▁producing ▁raw ▁sugar ▁from ▁sugar ▁be ets . ▁It ▁closed ▁in ▁ 1 9 6 0 . ▁ ▁The ▁Wal lace burg ▁Br ass ▁Company ▁was ▁the ▁third ▁st ap le ▁industry . ▁It ▁opened ▁in ▁ 1 9 0 5 ▁and ▁was ▁famous ▁for ▁creating ▁br ass ▁f auc ets ▁and ▁pl umb ing ▁supplies . ▁The ▁company ▁later ▁merged ▁with ▁Kind red ▁indust ries , ▁founded ▁by ▁Rob bert ▁Hart og , ▁and ▁was ▁known ▁there after ▁as ▁known ▁as ▁Wal te c . ▁The ▁factory ▁stopped ▁manufact uring ▁in ▁Wal lace burg ▁as