| BAM Internet Services | Ontario |
| Bambookit | British Columbia |
| Bambou Communication Marketing | Quebec |
| Ban Partners, Inc. | Ontario |
| Banchmark Data Solutions | Alberta |
| Banfield Agency | Ontario |
| Bang Marketing | Quebec |
| BANG! Creative | Ontario |
| Banjologo | British Columbia |
| Bankert Marketing, Inc. | Manitoba |
| Bankside Chase | Ontario |
| Bannersmall.com | Ontario |
| Banter | |
| Bar Code Applications Ltd | British Columbia |
| Baragar Systems | British Columbia |
| Barco Visual Solutions, Inc. | Ontario |
| Barcodes, Inc. | Alberta |
| Barcodesoft, Inc. | Ontario |
| Barctic Technology | |
| Bard & Gage | Ontario |
| Barefoot Creative | Ontario |
| Baril Automatisation Ingénieuse | |
| Bark Communications | Ontario |
| Barker Computers | Manitoba |
| Barking Dog Studios | Ontario |
| Baron Biosystems Ltd | |
| Baron Biosystems Ltd | |
| Barrer Technology | |
| Barret and Welsh | Ontario |
| Barrie Web | Ontario |
| Barrington Consulting | Nova Scotia |
| Barrington Consulting Group | |
| Barrington Edge | Nova Scotia |
| Barry McKay Consulting | Manitoba |
| BartSoft | |
| BASA Technologies | Ontario |
| Basalte | Quebec |
| Base Camp Connect | Quebec |
| Base Technology Ltd | British Columbia |
| Baseband Technologies | Alberta |
| BaseCorp Learning Systems | Alberta |
| Baseline | Quebec |
| Baseline Business Geographics, Inc. | Prince Edward Island |
| Basement43 | Ontario |
| baseTOP | |
| Basetwo AI | |
| BASIS by BarcodeApps | Ontario |
| Basix.ai | |
| Basta Communication | Quebec |
| Bateman Design Group | Ontario |