Spinrad Sandford L.
Spitkovsky Mikhail B.
SPM Instrument AB
Spock Thomas F.
Spoerry Thomas
Spooner Stanley C.
Sportsman Nathan D.
Spradlin Leeman D.
Sprague Alan P.
Sprague Michael C.
Sprague, Jr. Roger W.
Springer Thomas A.
Springer, III Paul LeBaron
Springholz Roland
Sprogis David H.
Sprouse Jeffery A.
SPSS Inc.
Spunaugle Brian Lewis
Spurgeon Sarah
Squedin Sylvain