What does CNO stand for?

California State University, Northridge, Northridge, CA - OCLC symbol (OCLC)

Canadian Northern - Federal Railroad Administration identification code

Cannot Observe (SAUS)

Carbon-Nitrogen-Oxide (SAUS)

Carbon-Nitrogen-Oxygen - Galactic molecular formation cycle

Caspen Oil, Inc. - AMEX symbol (COMM)

Center for Nonprofit Organizations - Defunct (EA)

Chattanooga, TN - Amtrak Busline code

Chief Nursing Officer - British

Chief of Naval Operations - Also, CNAVOP - Washington, DC

Childress - Texas - Seismograph station code, US Geological Survey (SEIS)

Chin National Organization - Burma

Chino, CA - Location identifier - FAA (FAAL)

CML Industries Ltd. - Toronto Stock Exchange symbol

College of Nurses of Ontario (SAUO)

Command of Naval Operations (SAUS)

Community Nursing Organization (DMAA)

Computer Non Operational (SAUS)

Computer Not Operational (IAA)

Con - Language code (ETLW)

Conroy Industries - NCIC boat manufacturer code (NCIC)

Constitutional Officer (DNAB)

Cornerstone Propane Partners LP - NYSE symbol (SAG)

Glastron-Conroy Industries, New Braunfels, TX - Manufacturer code for watercraft hull identification number (USCG)