Contratistas para techos cerca en Ontario, Empresa de techado en Ontario, Mecánicos de techado en Ontario
- Batchewana First Nation
- Bath
- Battersea
- Bayfield
- Baysville
- Beachburg
- Beachville
- Beamsville
- Bear Island
- Beardmore
- Bearskin Lake
- Beaumaris
- Beaverton
- Beeton
- Belfountain
- Belgrave
- Belle Ewart
- Belle River
- Belle Vallee
- Belleville
- Belmont
- Belwood
- Berkeley
- Berwick
- Bethany
- Bewdley
- Big Trout Lake
- Binbrook
- Birch Island
- Biscotasing
- Bissett Creek
- Blackstock
- Blenheim
- Blezard Valley
- Blind River
- Bloomfield
- Bloomingdale
- Blue Mountains
- Bluevale
- Blyth
- Bobcaygeon
- Bognor
- Bolsover
- Bolton
- Bond Head
- Bonfield
- Borden
- Bornholm
- Bothwell
- Boulter
- Bourget
- Bowmanville
- Bracebridge
- Bradford
- Braeside
- Brampton
- Branchton
- Brantford
- Brechin
- Breslau
- Bridgenorth
- Brigden
- Bright
- Brighton
- Bright'S Grove
- Brinston
- Britt
- Brockton
- Brockville
- Brodhagen
- Brougham
- Brownsville
- Bruce Mines
- Brucefield
- Brunner