| B&R Industrial Automation A/S | 5260 | Odense S |
| B. Christensens Maskinfabrik Eftf.ApS | 8600 | Silkeborg |
| BAC Metal sia | 3002 | Jelgava |
| BarkerBille A/S | 2750 | Ballerup |
| BASE Erhverv A/S | 8700 | Horsens |
| Bast & CO. A/S | 7100 | Vejle |
| Baumer A/S | 8210 | Aarhus V |
| BC Technic ApS | 6230 | Rødekro |
| Beckhoff Automation ApS | 6000 | Kolding |
| Beritech Group | 9220 | Aalborg Ø |
| Besma International Chem A/S | 7100 | Vejle |
| Betech A/S | 2730 | Herlev |
| BEVI A/S | 2620 | Albertslund |
| Beyer A/S | 2635 | Ishøj |
| BG Burcharth A/S | 5240 | Odense NØ |
| Bihl+Wiedemann Nordic ApS | 3450 | Allerød |
| BIKAR METALS Denmark ApS | 5000 | Odense C |
| BILA A/S | 7900 | Nykøbing M |
| BITO Storage Systems Nordic | 5220 | Odense SØ |
| BK Engineering | 9000 | Aalborg |
| BLEVA A/S | 9400 | Nørresundby |
| Blære Seal ApS | 9600 | Aars |
| BM Autoteknik A/S | 9632 | Møldrup |
| BM Maskinteknik ApS | 8920 | Randers |
| BM2 Industri A/S | 7650 | Bøvlingbjerg |
| BMS A/S | 9400 | Nørresundby |
| Bo's Maskiner og Værktøj v/Bo Nielsen | 4652 | Hårlev |
| Bomberg & Co ApS | 3540 | Lynge |
| Borntek Industri A/S | 3700 | Rønne |
| Bossard Denmark A/S | 2650 | Hvidovre |
| Brandt A/S | 6800 | Varde |
| Brd. Klee A/S | 2620 | Albertslund |
| Brdr. Larsen Teknik ApS | 3540 | Lynge |
| Brdr. Petersens Maskinfabrik Gilleleje A/S | 3250 | Gilleleje |
| Brimas | 8700 | Horsens |
| BS Specialslanger A/S | 2600 | Glostrup |
| BSB Industry A/S | 6640 | Lunderskov |
| BSM A/S | 8850 | Bjerringbro |
| BSV Krantilbehør A/S | 6600 | Vejen |
| Bureau Veritas | 7000 | Fredericia |
| Burkert Danmark A/S | 2740 | Skovlunde |
| Busch Vakuumteknik A/S | 8680 | Ry |
| Busck & Co ApS | 2620 | Albertslund |
| Bastholm Tråd & Plader | 8361 | Hasselager |
| Bosch Rexroth A/S | 2650 | Hvidovre |
| Brønderslev Stål A/S | 9700 | Brønderslev |