Mark's Auto Lockout Services
| GE freezer | 1069L, 1069N, 1069FL | |
| Garage door lock | X1014L, X1014F, 1054DL | |
| Gas caps | auto | Y12G, GC1, PN1, KM2, KM3, KM6, PN2, BU3, PN3, KM4, Z4, KM5, KM7, KI10R, KI17, WS10, WS11, V61S, 63H, R63H, H63G, 1098GX, 1546, 1574, 1611, 1611R |
| Gay Lite | L1010N | |
| GEK (Corbin) | 1000X | |
| GEM | Global Electric Motorcar | 1542 |
| GEM top | pickup cover | O11212 |
| General Fireproofing | 1000V, 1125A, GF1069 | |
| Genie | garage door | 1041G |
| Gerstner | tool boxes | 1013G, 1013GR |
| Glastron | boat | 1098M |
| Glass Ply | boat | H51 |
| Globe Wernecke | O1122B | |
| GM | consoles | CON1 (Jet) |
| Goal | GL1, GL2, GL3, GL4, GL5 | |
| Golf carts | OKB9, OKB10, OKB11, OKB12, OKB34, OKB35 |
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| Gorilla Guard | 100AM | |
| Grayhill | 1041H | |
| Grumman Olson | OKB82 | |
| Guard | padlocks | Master, Viro, MDK, Squire |
| Guild | 1179, 1069L, 1170, 1011P | |
| Guild | 1141GE, 1175 | |
| Gulf North | O1122 | |
| Gullock | 1069N |