Air Cargo Carriers, Inc. - ICAO designator (FAAC)
Apollo Airways, Inc. D/B/A Pacific Coast Airlines (SAUS)
Cameroon National Society (SAUS)
Saint Norbert College - Wisconsin
San Antonio College (SAUS)
San Antonio College, San Antonio, TX - OCLC symbol (OCLC)
Sanitary Corps - Army
San Juan Capistrano, CA - Amtrak rail station code
San Nicolas Island - California - Seismograph station code, US Geological Survey - Closed (SEIS)
Satellite News Channel - Cable-television system - Went off the air October, 1983
Scalable Node Controller - Central component in the processor/memory sub-system
School of Naval Co-Operation - Air Force - British
Scottish National Certificate
Seattle & North Coast Railroad - Federal Railroad Administration identification code
Sequence Number Check (SAUS)
Serial Number Code (SAUS)
Servo Nozzle Control (MCD)
Shawmut National Corp. - NYSE symbol (SPSG)
Shipped Not Credited - Military (AFIT)
Signal-to-Noise Factor (SAUS)
Significant Noncomplier - Environmental Protection Agency (GFGA)
Sinaugoro - Language code (ETLW)
Since - Telegraphy (PCTE)
Single-Needle Code (SAUS)
Site Nodal Controller (SAUS)
Skilled Nursing Care
Ski Nautique du Canada - Association - Canada (EAIO)
Snyder Communications
Snyder Communications, Inc. - NYSE symbol (SAG)
Special Navigation Course (SAUS)
Spontaneous Neonatal Chylothorax - Medicine (EDAA)
Standard NATO Corps (SAUS)
Standard Navigation Computer
Stock Number Code (ACAE)
Stored Program Numeric Control - Computer science (IAA)
Submarine Net Controller - Navy
Subnetwork Connection (SAUS)
Substantia Nigra - pars Compacta - Brain anatomy
Summary Number Calendarization (ACAE)
Sunatco Development Corp. - Vancouver Stock Exchange symbol
Supreme National Council - Cambodia
Swan-Neck Catheter - Medicine (MELL)
Swiss Nonvaleurs Club - Later, Scripophila Helvetica - SH (EAIO)
Synchronous Network Clock (SAUS)
Syndicat National du Cinema - National Syndicate of Motion Pictures
Syrian Navigation Co. (SAUS)
Saskatchewan - MARC country of publication code - Library of Congress (LCCP)