| # | Company name | Role | # of projects |
|---|---|---|---|
| 41 | P.G. Buskens | Architect | 1 |
| 42 | P.H. Deng & Associates | Architect | 4 |
| 43 | P.H. van Rhijn | Architect | 1 |
| 44 | P.J. Bekkers | Architect | 1 |
| 45 | P.J. Gerssen | Architect | 4 |
| 46 | P.J. Koster | Architect | 1 |
| 47 | P.J. Krouse | Architect | 4 |
| 48 | P.J. Vermaak | Architect | 1 |
| 49 | P.J.H. Cuypers | Architect | 32 |
| 50 | P.K. Ng & Associates | Architect | 5 |
| 51 | P.L. Kramer | Architect | 2 |
| 52 | P.L. McSweeney | Architect | 1 |
| 53 | P.L. Wong & Associates | Architect | 13 |
| 54 | P.M. O'Meara Associates | Architect | 4 |
| 55 | P.O. Lewis | Architect | 1 |
| 56 | P.R. Bloemsma Architect | Architect | 5 |
| 57 | P.R. Claridge | Architect | 1 |
| 58 | P.R. Goldschmidt | Architect | 1 |
| 59 | P.Štrpka | Architect | 1 |
| 60 | P&C Architects Limited | Architect | 2 |