• La fontaine International GmbH & Co KG
  (D) [D, E]

  ---

• Lab Safety Supply
  (USA)

  ---

• Lab Staff Ltd.
  now: SRG Labstaff (UK) [E]

  ---

• Lab Support
  On Assignment, Lab Support Division, offers career and job opportunities for organic chemists, microbiologists, food scientists and pharmaceutical positions (USA) [E]

  ---

• Lab Vision
  (CA, UK)

  ---

• LabAlliance
  (USA)

  ---

• Labcatal Iberica
  (SP)

  ---

• Labconco Co.
  (USA)

  ---

• Labexchange
  [D, E, F, SP]

  ---

• LabGeneration
  [D, E, F]

  ---

• LABOMATIC Instruments AG
  (CH) [D, E]

  ---

• Laboratoria Wolfs
  (BE)

  ---

• Laboratorios Argenol
  (ES)

  ---

• LabSystems
  (USA)

  ---

• Labworld-Online
  (D)

  ---

• LabX
  [E]

  ---

• Lake River Corporation
  (USA)

  ---

• Lambda Research
  X-ray diffraction service (USA)

  ---

• Lamberti spa
  (I)

  ---

• Lancaster Synthesis
  (UK)

  ---

• Languedoc Chimie
  (F)

  ---

• Lansdowne Chemicals Plc
  (UK)

  ---

• Laporte
  (UK)

  ---

• Laporte AlphaGary
  now: AlphaGary Ltd. (UK)

  ---

• Laporte Performance Chemicals
  (UK)

  ---

• L'Aprochimide
  (IT)

  ---

• Large Scale Biology Corp.
  (USA)

  ---

• LaRoche Industries Inc.
  (USA)

  ---

• LAT-Merseburg
  now: ALT-Merseburg (D) [D, E]

  ---

• Lauda
  (D)

  ---

• Lazar Research Laboratories
  (USA)

  ---

• LC Packings
  (NL)

  ---

• LC Resources
  (USA)

  ---

• Leemann Labs
  [D, E]

  ---

• Lehmann & Voss
  (D) [D, E]

  ---

• Leica
  (CH)

  ---

• Leiras
  (FI)

  ---

• Leister Elektro-Gerätebau
  [E]

  ---

• LEMRO Chemieprodukte Michael Mrozyk KG
  (D) [D]

  ---

• Lennart Hojer AB
  Fuel additive chemicals (SE)

  ---

• Lever - Faberge
  (CH) [D]

  ---

• LEXIS-NEXIS
  (USA)

  ---

• Leybold-Didactic
  (D) [D, E]

  ---

• LG Chemicals
  (KR)

  ---

• Lichtwer Pharma AG
  (D) [D, E]

  ---

• LI-COR
  (USA)

  ---

• LII Europe GmbH
  (D)

  ---

• Lilly Deutschland
  (D) [E]

  ---

• Lime Chemicals Limited
  (IN)

  ---

• Linda Waschmittel GmbH
  (D) [D, E, RU]

  ---

• Linde
  Gas AG (D)

  ---

• Linker Chemie
  (D) [D]

  ---

• Lintech International
  (USA)

  ---

• Lion Bioscience AG
  (D) [E]

  ---

• Liquids Research Limited
  (UK) [E]

  ---

• Lisa Ampoules & Vials
  (IN)

  ---

• Litty
  (D) [D, E]

  ---

• LKT Laboratories
  Chemicals for cancer research (USA)

  ---

• Lloyd Instruments
  (UK)

  ---

• Loba Chemie
  (IN)

  ---

• Loba Feinchemie AG
  (A) [E]

  ---

• Loctite
  Henkel

  ---

• London Metal Exchange Ltd.
  (UK)

  ---

• Longsheng
  Zhejiang Longsheng Group (CN)

  ---

• Lonza
  (CH)

  ---

• Losan Pharma
  (D)

  ---

• Lot Oriel Gruppe Europa
  (D) [D]

  ---

• Lovochemie
  (CZ)

  ---

• LSB Industries
  (USA)

  ---

• Lubrizol
  (USA)

  ---

• Lucite
  Ineos Acrylics Inc.

  ---

• LumaCare
  (USA)

  ---

• Lumigen
  (USA)

  ---

• Lundbeck A/S
  (DK) [E]

  ---

• Lundbeck Deutschland GmbH
  (D)

  ---

• Lycored Natural Products Industries Limited
  (IL)

  ---

• Lyondell Petrochemical Co.
  (USA)

  ---

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