Sparks Dennis O.
Sparks Eric A.
Sparks Marthinus Johannes
Spaude Heinz W.
SPEA S.p.A
Spear Richard R.
Special Instruments Laboratory, Incorporated
Speer Gordon W.
Spence Randy D.
Spens Stephen N.
Spicer Denis F.
Spierings Ferdinand Hubert Franciscus Gerardus
Spinella-Mamo Vincent P
Spinner Howard D.
Spirin Jury L.
Spivey Jonathan R.
Spratt James P
Sprott Julien C.
Spurr Ronald Frederick
Squizzato Valter