| Navn | Postnummer | By |
|---|---|---|
| BarkerBille A/S | 2750 | Ballerup |
| Bast & CO. A/S | 7100 | Vejle |
| Berg Industriservice A/S | 7400 | Herning |
| BIBUS SINDBY A/S | 7100 | Vejle |
| BILA A/S | 7900 | Nykøbing M |
| BioVent ApS | 9500 | Hobro |
| Brandts Industrilakering A/S | 6800 | Varde |
| Brd. Klee A/S | 2620 | Albertslund |
| Brødrene A. & O. Johansen A/S | 2620 | Albertslund |
| BSM A/S | 8850 | Bjerringbro |
| Busch Vakuumteknik A/S | 8680 | Ry |
| Busck & Co ApS | 2620 | Albertslund |
| BV-Trappen Thisted A/S | 7752 | Snedsted |
| Bygma Gruppen A/S | 2860 | Søborg |