L'Air Liquide- Societe Anonyme a'Directoire et Conseil de Survei
Labsytems Oy
Lachner Rudolf
Lahcanski Tomi
Lam Joseph K-W
Lancraft, Inc.
Land Instruments International, Inc.
Lane Barton
Lange Sandra V.
Langford Nigel
Lapotko Dmitri Olegovich
Larking Rikard
Larsson Lars-Åke
LaserSpec Analytik GmbH
Lasiuk Brian W.
Laudenberger Martin
Laufer Gabriel
Laurer Jonathan H.
Leach Andrew M.
Leal Joel