| Mark | Maker | State | Manufactured |
| L & M | | Aus | 3" "G" Clamp, Concretors edging tool (range of concreting tools) |
| L. N. INSTRUMENTS | L.N.Instuments | SA | Engineers callipers, firm joint and spring |
| L. VA - COR | | Aus | Tungston tipped ceramic tile scorer |
| LANCO | Lane Cove Engineering Co | NSW | Watchmakers Staking Sets - 1 staking block-10 anvils-44 hardened punches |
| LANGDON | Don Langdon | NSW | Racing Axes |
| LANRAY | | Aus | Blow lamps |
| LAPFAST | | NSW | Hand valve grinder - recipricating type |
| LASSETTER | F. Lassetter & Co Limited | NSW | Animal ear marking pliers |
| LAWRENSON | R.H.Lawrenson (Die Casting) Ltd | NSW | Garden Scissors |
| LEADER | Turner Industries Ltd | Vic | Tapes - measuring |
| LEADER | Leader Handle Co | Qld | Handles |
| LEADERTAG | | Aus | Hole punch, possibly hole for livestock "ear" tag |
| LEIGHTON | Leighton | Aus | Set scale rules |
| LENNON H. | Hugh Lennon Plow & Machine Co | Vic | Implement spanners etc |
| LEWCO | Lewco Industries | Vic | Breast drills, |
| LIFETIME | | Aus | "G" clamp (hardened aluminium), carpenter's vice |
| LIGHTBURN KBC | Lightburn & Co Ltd | NSW | Dowelling Jig, 1-10 ton hydraulic jacks, etc per file |
| LIGHTNING | Lightning Fruit Grader Co - (Fruit Graders & Agricultural Implements), 510 Albion St Brunswick | Vic | Implement spanners etc, incl hammer / spanner combo |
| LIGHTNING FILES | Wiltshire File Company Pty Ltd | Vic | Files |
| LILLEY | Lilley Bros | Vic | Hog ring pliers (or fencing) |
| LILLINGTON & SMITH | Lillington & Smith Instrument Mfg Co | NSW | "Adept" dial indicators |
| LINBIDE | | Aus | Fibro score and snapknife |
| LINLEY | Thos B Linley | NSW | Moulding planes, large turning gouge, 7/8"chisel blade |
| LINOAK | | SA | "A beautiful pair of pliers" |
| LITCHFIELD | Litchfield Engineering Pty Ltd | SA | Hand tools - hand operated, many motor mechanical tools |
| LITTLE BOOSTER | The Booster Mfg Co | Vic | Floor Cramps |
| LOCHGRIP | Reginald Charles Duigan | Vic | Wire Strainer, also improved tube spanner pat 4570/31 |
| LOCK TOOLS | Lock Tool Co of Australia Pty Ltd | Vic | Wrenches, "G" clamps, long jaw pipe vice, bolt cutters, cross pein hammer |
| LOFT | R.H.Loft | Vic | Tool manufacturer |
| LOFT | G.F.Loft & Sons | Vic | Tongs |
| LOKmatic | Turner Industries Ltd | Vic | Tape rule |
| LOW | F.R.Low Pty Ltd | NSW | Wood levels |
| LUDOWICI | | NSW | Soft Face Hammer (rolled leather) |
| LUFKIN | Turner Industries Ltd | Vic | Tape Measuress |
| LUXRAY | William Henry Matthews | NSW | Hand tools and instruments |
| LYDDY | Wm. Day & Sons | Vic | Stone remover horses hooves |
| LYSAGHT | Lysaght Works Pty Limited | NSW | Saws-rip, hand, panel, tenon and circular, series machettes, knives, small tools etc. per adv.on file |
Database supplied and copyrighted by Rod Thomas 2006.
Web database developed and programmed by Andrew Radion 2006.