H

• Heathrow Scientific

• High-Purity Standards

• Histo Chem Inc.

• Hitobiotec Inc.

• Hologic Inc.

• Humana Press Inc.

• HumanZyme Inc.

• Hycult Biotechnology B.V.

• Hydragene/ActGene Inc.

• Hyglos GmbH

• Hypromatrix Inc.

• Henry Troemner LLC.

• Hytest Ltd.

• Haematologic Technologies

• Harvard Apparatus Canada

• Haemoscope Corporation

• Hawaii Biotech Inc.

• Halocarbon

• Health Protection Agency

• Hamilton Company

• Helena Laboratories

• Hammond Cell Tech

• Helica Biosystems Inc

• Hampton Research

• Helix Material Solutions

• HansaBioMed OU

• HemaCare Corporation

• Harbor-UCLA R.E.I.

• HemoGenix Inc.

• Hardy Diagnostics

• Hemostat Laboratories

• Harper Collins Canada Lim

• Hartford Technologies Inc