| Greig, Gerald M. | | | CANADIAN CENTURY | Third Mate |
| Greig, Gerald M. | | | WHEAT KING | Captain |
| Greig, Gerald M. | | | | Captain |
| Greig, Gerald M.; 1981 Red Book; 1981 | 1981 Red Book | 1981-00-00 | CANADIAN CENTURY | Captain |
| Greig, Gerald M.; 1988 Lake Boats; 1988 | 1988 Lake Boats | 1988-00-00 | CANADIAN HUNTER | Captain |
| Greig, Gerald M.; 1989 Lake Boats; 1989 | 1989 Lake Boats | 1989-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; 1990 Lake Boats; 1990 | 1990 Lake Boats | 1990-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; 1994 Lakeboats; 1994 | 1994 Lakeboats | 1994-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; 2001 Lake Boats; 2001 | 2001 Lake Boats | 2001-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; 2002 Lake Boats; 2002 | 2002 Lake Boats | 2002-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; Greenwood & Dill 1991 | Greenwood & Dill 1991 | 1991-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | MAUNALOA II | deckhand |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | DOUGLASS HOUGHTON | deckhand |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | DOUGLASS HOUGHTON | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | SEAWAY QUEEN | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | SEAWAY QUEEN | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | RED WING | Wheelsman |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | RED WING | Third Mate |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | RED WING | Third Mate |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | CANADIAN CENTURY | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | SEAWAY QUEEN | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | GORDON C. LEITCH | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | NORTHERN VENTURE | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | THORN HILL | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | MEAFORD | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | POINTE NOIRE | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | R. BRUCE ANGUS | |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | WHEAT KING | First Mate |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | GODERICH | Captain |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | GORDON C. LEITCH | Captain |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | CANADIAN MINER | Captain |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | CANADIAN MINER | Captain |
| Greig, Gerald M.; Inland Mariners | Inland Mariners | | CANADIAN MINER | Captain |
| Greig, Gerald M.; Lake Boats '92; 1992 | Lake Boats '92 | 1992-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; Lake Boats '93; 1993 | Lake Boats '93 | 1993-00-00 | CANADIAN LEADER | Captain |
| Greig, Gerald M.; Lake Boats 1996 | Lake Boats 1996 | 1996-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; Lake Boats 1997 | Lake Boats 1997 | 1997-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; ULS News 41(1) | ULS News 41(1) | | QUEBECOIS | Captain |
| Greig, Gerald M.; ULS News 43(1) | ULS News 43(1) | | CANADIAN MINER | Captain |
| Greig, Gerald M.; ULS News 5/00; 2000 | ULS News 5/00 | 2000-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; ULS News 5/03; 2003 | ULS News 5/03 | 2003-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; ULS News Dec 2005 | ULS News Dec 2005 | 2005-00-00 | CANADIAN MINER | Captain |
| Greig, Gerald M.; ULS News May 2006 | ULS News May 2006 | 2006-00-00 | CANADIAN MINER | Captain |