| # | Entity | Status | State |
|---|---|---|---|
| 1 | 73 145 032 122 Tecton Design Group Pty Ltd |
ABN Active | NSW 2216 |
| 2 | 12 345 837 290 W.J HILLMAN & P.T LEA Tectonics Building Design |
ABN Cancelled | WA 6285 |
| 3 | 52 867 886 293 TERRY DAVID SULLIVAN TECTON DESIGN STUDIO |
ABN Active | VIC 3188 |
| 4 | 19 125 938 230 ENVIROSTRUCT PTY LTD Tectonics Building Design |
ABN Active | WA 6230 |
| 5 | 52 867 886 293 TERRY DAVID SULLIVAN TECTON DESIGN STUDIO |
ABN Active | VIC 3188 |
| 6 | 86 635 041 324 THREE DOT DESIGN PTY. LTD. tectonic design |
ABN Active | VIC 3051 |