L'Air Liquide. Sociètè Anonyme à Directoire et C
Labao Nicholas L.
Lacour Xavier
Lai Ralph W.
Lambert Alexander S.
Lambert Noel William Alexander
Larribau Etienne
Larson Gordon R.
Lashkul Alexander V.
Lee Danny
Lehr James R.
Lenox Institute for Research
Lepetic Vuko M.
Les Services TMG Inc.
Lewis Norman J.
Lian-yun-gang Chemical Mines Research and Design Institute
Liechti Dietrich
Lilley Geroge M.
Lillmars Glenn
Lim Sim K.