Canadian Corps of Commissionaires Button: Crested uniform buttons are designed and manufactured by William Scully Ltd. Uniform dress buttons crafted by years of manufacturing expertise, are available in a variety of finishes and materials. We manufacture, stock and supply crested uniform buttons for domestic and international Military, Police, Fire, First-responder, Transport and Hospitality uniforms. William Scully Ltd. is the premier source of custom and standard Canadian uniform buttons to Government agencies, Quartermasters, uniform tailors and distributors across Canada since 1877.