Mark's Locksmith
| Wago | Hong Kong | 1022 |
| Waling Industries | tire lock | O1122 |
| Walker | lawn mower | CH3 |
| Walsco | padlock | 102VM or Viro or MDK |
| Wartian Lock Co. | 999, O1122, 1170B | |
| Waso | Volvo gas cap | X17 |
| Waterloo | tool box | 1605, L1054B |
| Welka | profile cylinders | 997ER |
| Wessel | O1122B | |
| West Alloy Die | RV | Same as Bargman |
| Wheel locks | DM110, DM63, GE33, GE10 | |
| Whirlpool | trash compactor | 1098M |
| Whitlock | 1069N | |
| Williams Craft | RV | 1069N, 1127ES |
| Wind | cam lock | O1122 |
| Wind | mailbox | 1634/WN1 |
| Winfield | Sears | WF1 |
| Winkhaus | 999A or High Security | |
| Winnebago | RV | K1122D, 1041E |
| Wire Rope | padlock | 1092B |
| Wonderlock | padlock | 1041G |
| Woodbine Industries | sliding glass door | 1041E, O1122BR, X1014F, 1054UN |
| Woolco | X1014F | |
| World Lock Co. | 999 | |
| Worthington | X1054F, 1022, O1122 | |
| Wright | padlock | 999 |
| Wright | Sears padlock | O1122 |
| Wright | 1616, L1054B |