| # | Entity | Status | State |
|---|---|---|---|
| 1 | 42 098 065 493 SUDOKU CITY PTY LTD |
ABN Cancelled | NSW 2023 |
| 2 | 31 445 992 261 ALEXANDER ANDRE ZAK Sudoku Boards International |
ABN Active | NSW 2070 |
| 3 | 33 431 169 804 LAWRENCE RAE BAKER Mosaic Sudoku |
ABN Cancelled | VIC 3232 |
| 4 | 45 281 833 620 YVETTE TERESE WALTERS SUDOKU |
ABN Cancelled | NSW 2031 |
| 5 | 56 587 073 664 GREGORY ALAN SHALLESS Sudoku Help |
ABN Active | VIC 3204 |
| 6 | 88 209 142 689 KAM YEUNG LAM SUDOKU PRODUCTION |
ABN Cancelled | NSW 2118 |
| 7 | 56 627 359 165 KATIA CHEHADE Sudoku Bookkeeping |
ABN Active | NSW 2565 |
| 8 | 97 712 439 486 SUSAN JOY KEARNEY SUDOKU FLICK |
ABN Active | NSW 2462 |
| 9 | 58 020 130 108 MICHAEL COLLISS World Sudoku League |
ABN Active | WA 6010 |