Not an exhaustive list!  If you have other recommendations or suggestions please do let us know!  We'll add them!  

• Antibodies and Reagents
• DakoCytomation    www.dakocytomation.com
• Pharmingen  Becton Dickinson   www.bectondickinson.com
• Immunotech  Coulter    www.beckmancoulter.com
• Caltag Laboratories  www.caltag.com
• BioSource International  www.biosource.com
• Southern Biotech  www.southernbiotech.com
      
• Probes
• Molecular Probes / Invitrogen  www.probes.invitrogen.com  
  
  
• Optical Components
  • Omega  www.omegafilters.com 
  • Chroma  www.chroma.com

• Calibration Standards and ControlsBioSure  www.biosure.com
  • Polysciences Inc. Inc   www.polysciences.com/
  • Duke Scientific  www.dukescientific.com
  • Spherotech    www.spherotech.com/
  • Molecular Probes / Invitrogen  www.probes.invitrogen.com
  • Bangs Laboratories   www.bangslabs.com
  • Becton-Dickinson   www.bectondickinson.com
  • Beckman Coulter  www.beckmancoulter.com
  • DakoCytomation   www.dakocytomation.com

• Instrumentation
  • Accuri Cytometers  www.accuricytometers.com
  • Becton-Dickinson  www.bectondickinson.com
  • Beckman Coulter   www.beckmancoulter.com
  • DakoCytomation  www.dakocytomation.com
  • Cytek    www.cytekdev.com  Refurbished BD Instruments & maintenance
  • Cytoserv cytoserv@bellsouth.net Refurbished BC Instruments & maintenance
  • Partec  http://www.partec.de
  • Guava Technologies  www.guavatechnologies.com
  • CompuCyte www.compucyte.com
  • Amnis  www.amnis.com
  • iCyt   www.i-cyt.com

• Software
  • Verity Software House, Inc. for Winlist and Modfit  www.vsh.com
  • TreeStar, Inc. for FlowJo www.treestar.com  
  • DeNovo Software for FCSExpress  www.denovosoftware.com
  •  Phoenix Flow www.phnxflow.com/