| 1992 | Tea Tree Gully Community Project Management Board established |
| 1993 | Workshop established at Golden Grove |
| 1994 | Offices relocate to 999 North East Road |
| 1995 | Name changed to Tea Tree Gully Development Board |
| 1998 | Business Enterprise Centre commences |
| 2001 | TTG Development Board and Avago merge to form Gullycorp TTG Inc. |
| 2002 | Accomodation leased at Civic Centre |
| 2003 | Purchase of property at St Agnes |
| 2003 | Appointed State Government program manager for eastern metro
"South Australia Works" program |
| 2004 | First enterprise activity commenced - Trailer Hire & Fabrication |
| 2005 | Office and Workshop construction began on property at St Agnes |
| 2006 | Name changed to North East Development Agency |
| North East Vocational College (NEVC) established | |