Santa Cruz Operation, Inc. (SCO) : (800) SCO-UNIX or (408) 425-7222

Sea Change Corporation : (800) 661-727 or (905) 542-9484

Seagate Technology : 408-342-4500

Sector7 U.S.A. Inc. : (800) VMS-UNIX or (512) 306-8311

Secure Computing Corporation : (800)692-LOCK or (612) 628-2700

Secure Computing Corporation (Support) : (800) 700-8328 or (612) 628-1500

Security Dynamics : (800) SECURID

SFI Technology Services Corp. : +41/41/729-7195

Shuss Systems Inc. : (201) 405-2224

Silicon Graphics, Inc. (SGI - Corporate) : (415) 933-3900

Silicon Graphics, Inc. (SGI Direct - Sales Quotes) : (800) 800-7441

Silicon Graphics, Inc. (SGI - Support) : (800) 800-4SGI

Silicon Graphics, Inc. (SGI - Los Angeles): (310) 312-0227

Sirius Solutions Limited : (800) 500-4775 or (902) 465-2328

Smart Corporation : (415) 988-8996

SoftLinx, Inc. : (508) 392-0001

Software.com, Inc. : (805) 882-2470

Software Group Limited : (800) 4NETCOM or (705) 725-9999

Software Moguls, Inc. : (612) 932-6738

Software Solutions Inc. : (800) 232-2999 or (770) 418-2000

SouthWest Airlines : (800) 435-9792

Sovran Inc. : (612) 686-0515

Spectra Logic : (800) 833-1132 or (303) 449-7759

Stalker Software, Incorporated : (800) 262 4722

StarFire Enterprises, Inc. : (970) 482-7440

StarNine : (510) 649-4949

State of the Art : (800) 854-3415

STN, Inc : 703-379-9700

Storage Dimensions, Inc : 800-765-7895, ext. 990

SunExpress : (800) USE-SUNX

Sun Microsystems (Corporate) : (415) 960-1300

Sun Microsystems (Educational Services) : (800) 821-4643

Sun Microsystems (Support) : (800) USA-4SUN

SunServices : (800) 821-4643

SunSoft : (800) SUN-SOFT

Sybase, Inc. : (800) 8-SYBASE or (510) 922-3555

Sybase, Inc. (User Groups): (800) 456-8893 or (617) 647-1977 or +44-171-228-8034

Sybase, Inc. (Seminars): (800) SYBASE1

Sylvest Management Systems : (800) 955-UNIX or (301) 459-2700

Syspro Impact Software : (800) 369-8649 or (714) 437-1000

System V : (408) 451-0710