| Kouvolan Kirjaja Kivipaino |
|
| Krebs |
|
| La Papelera S.A. |
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| La Poste |
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| La Ribambulle |
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| Labelcraft UK Ltd |
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| Leigh-Mardon Ltd., Melbourne |
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| Leigh-Mardon Pty Limited |
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| Leoprint, Pristina |
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| Letra Viva S.A. |
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| Liaoning Provincal Postage Stamp Printing Works |
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| Liber Tryck, Stockholm |
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| Limo Labels |
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| Limo Labels, Denmark |
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| Lit. E Imp. Roel |
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| Lit. Z. T. Narodnih Novina Zagreb |
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| Lith. Franz Poelvoorde, Gendbrugge Gand |
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| Lith. Gouweloos, Bruxelles |
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| Lith. J. Goffin Fils, Bruxelles |
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| Litho F & R. Buyck Frères, Gand |
|