| # | Company name | Role | # of projects |
|---|---|---|---|
| 341 | bPLAN Ingenieurgesellschaft | Consultancy | 0 |
| 342 | BPP Construction Consultants | Consultancy | 0 |
| 343 | Bps | Consultancy | 1 |
| 344 | Bps Reproduction Services | Consultancy | 0 |
| 345 | Bpxpress Reprographics | Consultancy | 2 |
| 346 | BR Thorson Consulting Ltd | Consultancy | 1 |
| 347 | Brannigan Lorelli Assocs | Consultancy | 0 |
| 348 | Brasiliano & Associados | Consultancy | 1 |
| 349 | BRC Acoustics (Bruck Richards Chaudiere | Consultancy | 1 |
| 350 | Breedlove Dennis & Associates | Consultancy | 0 |
| 351 | Breier Neidle Patrone Associates Inc. | Consultancy | 0 |
| 352 | Bremner Healthcare | Consultancy | 1 |
| 353 | Brendel Ingenieure AG Frankfurt | Consultancy | 1 |
| 354 | Breslin Reproduction Service | Consultancy | 1 |
| 355 | Brewer Consulting | Consultancy | 1 |
| 356 | Brian Cole Associates Ltd. | Consultancy | 0 |
| 357 | Brian Kangas Foulk (hayward) | Consultancy | 1 |
| 358 | Brierley & Co. | Consultancy | 0 |
| 359 | Brightworks Northwest LLC | Consultancy | 10 |
| 360 | Brinjac Kambic & Associates | Consultancy | 1 |