| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | Sharpton Brunson & Company, P.A. | Planning consultant | 16 |
| 2 | SIAT Bauplanung und Ingenieurleistungen GmbH & Co. OHG | Planning consultant | 0 |
| 3 | Soika Engineering & Accessability Ltd. | Planning consultant | 4 |
| 4 | sol°id°ar planungswerkstatt | Planning consultant | 1 |
| 5 | Solomito Land Planning | Planning consultant | 7 |
| 6 | Sorensen Gravely Lowes Planning Associates Inc. | Planning consultant | 3 |
| 7 | SP Broadway | Planning consultant | 2 |
| 8 | Strauss Consultants | Planning consultant | 1 |
| 9 | Systema Engineering Ltd. | Planning consultant | 54 |