| Modification # | Description | Disclosure # | Award Date | Start Date | End Date | Department | Amount |
|---|---|---|---|---|---|---|---|
|
169511
| Architectural Task Order Services | 05/21/2008 | 07/01/2008 | 06/30/2011 | CHICAGO DEPARTMENT OF AVIATION | DUR | |
|
169513
| Architectural Task Order Services | 09/12/2010 | 07/01/2008 | 06/30/2012 | CHICAGO DEPARTMENT OF AVIATION | DUR | |
|
169514
| Architectural Task Order Services | 09/26/2011 | 07/01/2008 | 06/30/2013 | CHICAGO DEPARTMENT OF AVIATION | DUR | |
| Architectural Task Order Services | 10/16/2013 | 07/01/2008 | 12/31/2014 | CHICAGO DEPARTMENT OF AVIATION | DUR | ||
| Architectural Task Order Services | 12/31/2014 | 07/01/2008 | 12/31/2016 | CHICAGO DEPARTMENT OF AVIATION | DUR |