CallisonRTKL
| Industry | Architecture |
|---|---|
Area served | Worldwide |
Key people | Kim Heartwell (CEO) |
Number of employees | 800 |
| Website | www |
CallisonRTKL is a global architecture, planning and design firm formed from the October 2015 merger of Callison and RTKL Associates, both of which were subsidiaries of Arcadis NV.