The biggest architectural and design firms in Chattanooga, as measured by staff size, are:
1. Artech Design Group, started in 1985, 25-employee staff, including eight architects
2. Derthick Henley & Wilkerson, started in 1959, 17-employee staff, including eight architects
3. Franklin Architects, started in 1933, 16 employees, including seven architects on staff and two contract architects.
4. River Street Architecture, started in 1998, 14-employee staff, including eight architects
5. Hefferlin + Kronenberg Architects, started in 1999, 13-member staff, including six architects
Source: Company information