A.A. Archibald
A.A. Buchanan
A.A. Campell
A.A. Jorden
A.A. MacInnes
A.A. Morrison
A. Anthony
Aaron Eaton
Aaron Hubley
Aaron Johnson
A.A. Rottler
A.A. Taylor
A. A. Webber & Sons, Ltd.
Ab & Ben Chase
Abbie Bishop
A.B. Crouse
A. Beales & Co.
Abel Wiswall
A.B. Emery
Aberdeen Handknit Co., Ltd.
A.B. Hopewell
Abijah Hurd
Abjah T. Scott
Able Sheet Metal
Abner Gavel
Abner Hallet
Abner Rice
A. Boneyman
Abraham Corkum
Abraham Ells
Abraham Miller
Abraham & Thomas Seaman
Abraham Watson
Abraham Webster
Abram and Isaac Young