What does Chs stand for?

Checks (SAUS)

Cabinet for Health Services (SAUO)

Caernarvonshire Historical Society (SAUO)

California Historical Society (SAUO)

California Horticultural Society (SAUO)

California State University, Hayward, Hayward, CA - Library symbol - Library of Congress (LCLS)

Cambridge Historical Series - A publication

Campus Health Services - Commercial firm

Canadian Hackney Society (EAIO)

Canadian Hearing Society (ASC)

Canadian Hematology Society (EAIO)

Canadian Hemochromatosis Society - Societe Canadienne de l'Hemochromatose (ASC)

Canadian Hemophilia Society - Societe Canadienne de l'Hemophilie (ASC)

Canadian Hydrographic Service (MCD)

Canadian Hypertension Society - Societe Canadienne d'Hypertension Arterielle (ASC)

Canberra Horticultural Society - Australia

Capitol Historical Society - Washington, DC

Case Hardened Steel (SAUS)

Catholic Homiletic Society - Later, CPC (EA)

Center for Hellenic Studies - Research center (RCD)

Center for Holocaust Studies (EA)

Center for Human Services (EA)

Center on Hierarchical Structures - Case Western Reserve University (RCD)

Central Heading System (SAA)

Chalcone Synthase - An enzyme

Challenge Aviation Pty Ltd. - Australia - ICAO designator (FAAC)

Channel Handicap System - Yacht racing

Chapuis - NCIC firearms make code (NCIC)

Characters per Second - Computer science (IAA)

Charles Hankins, Lavallette, NJ - Manufacturer code for watercraft hull identification number (USCG)

Charleston - South Carolina - Airport symbol

Chaus - Bernard, Inc. - NYSE symbol (SPSG)

Chediak-Higashi Syndrome - Medicine

Cheese - Telegraphy (PCTE)

Chemical Hypersensitivity Syndrome - Medicine (EDAA)

Chester - British depot code

Cheswick Historical Society (EA)

Chicago Historical Society (SAUO)

Chicago Suburban Motor Carriers Association, Inc., Homewood IL - STAC

Chico's FAS - NYSE symbol

Children's Heart Society - Canada (NRGU)

Chloracetophenone Solution (SAUS)

Chlorinated Hydrocarbon Solvents

Cholinesterase - An enzyme

Chose

Chrondroitin Sulphuric Acid (DB)

Chumash - Language code (ETLW)

Church Historical Society - Later, HSEC (EA)

Chusal - Former USSR - Seismograph station code, US Geological Survey - Closed (SEIS)

Chutine Resources Ltd. - Vancouver Stock Exchange symbol

Circular Hollow Section - Metal industry

Circus Historical Society (EA)

Citizens for Highway Safety - Defunct (EA)

Cleveland Health Sciences Library, Cleveland, OH - OCLC symbol (OCLC)

Clydesdale Horse Society - British (DBA)

College for Human Services - Formerly, WTC

College of Health Sciences - Iran

Collimated Holes Structure (PDAA)

Colorado Historical Society (EARSL)

Columbia Historical Society - Later, HSWDC (EA)

Command Hardware and Software - Military technology (DDF)

Command Hardware/Software - Army

Command Hardware System - Army

Common Hardware and Software - Army

Common Hardware System (SAUS)

Community Health Service - HEW

Community of the Holy Spirit (TOCD)

Composite Healthcare System (MELL)

Composite Hospital System (SAUO)

Compression Hip Screw - System - Orthopedics (DAVI)

Computer Hardware Services GmbH (SAUS)

Concert Hall Society - Record label

Confederate Historical Society - British

Congenital Hip Subluxation - Medicine (MELL)

Congenital Hypoventilation Syndrome - Medicine (MELL)

Congregational Historical Society (SAUO)

Connecticut Herpetological Society (SAUO)

Connecticut Historical Society (SAUO)

Connecticut Horticultural Society (SAUO)

Consolidated Headquarters Squadron - Military

Constant Heat Summation

Contact Hypersensitivity - Medicine (EDAA)

Crime on High Seas

Cripples' Help Society - British (BI)

Cristobal High School (SAUS)

Cross Head Speed (MCD)

Curtis High School (SAUS)

Cylinder, Head, and Sector - Computer science