- Antibodies Online
- The Antibody Resource Page
- BD Biosciences
- BioCytex
- BioErgonomics, Inc.
- BioLegend
- BioGenex
- BioRad
- Biosource International
- Biostatus Limited
- Biosure Controls
- Boehringer Mannheim
- Caltag Laboratories
- Sanquin Blood Supply Foundation
- Chromaprobe, Inc.
- Cytek Flow Cytometry Products
- Cytimmune Sciences Inc
- Coulter
- DakoCytomation
- DIATEC AS
- eBioscience
- Enzo Life Sciences
- Exalpha
- Flow-Amp Systems, Ltd.
- Genzyme Corporation
- IMGENEX
- Immune Source
- Integrated Diagnostics, Inc.
- Immuno Quality Products
- Jackson ImmunoResearch Laboratories
- Leinco Technologies, Inc.
- Milteni Biotec
- Molecular Probes
- NEN Life Science Products, Inc.
- OncoImmunin, Inc.
- One Lambda, Inc.
- Orpegen Pharma
- Partec Flow Cytometry
- PharMingen Corporation
- Phoenix Flow
- Polysciences
- R & D Systems
- Research Diagnostics, Inc.
- Serotec Homepage
- Sigma Chemical Company
- Southern Biotechnology Associates, Inc.
- StemCell Technologies
- Synthegen
- Trevigen, Inc.
- Worthington Biochemicals
- Flow-Amp
- Cell Sciences