Dr Ehrenstorfer
Dr E offers range of analytical standards, reference materials, environmental standards for residue analysis and environmental analysis. Applicable in studies related to Pesticides, Pesticide Metabolites, PAH, PBB, PCB, Deuterated Compounds, 13C Labeled Compounds.

Witega
Witega specializes in the laboratory synthesis of synthetic organic components, active ingredients, fine chemicals and reference substances.

Cambridge Isotope Laboratories, Inc.
Cambridge Isotope Laboratories, Inc. has specialized in the development and production of stable non-radioactive isotopes and chemical compounds labeled with stable isotopes. CIL offers Deuterated Solvent for NMR application.

Reagecon Standards & Reagents
Reagecon is one of the largest producers of chemical standards and reagents in the world. Reagecon manufacture more than 2,000 Reagents, Standards and Buffers namely pH, conductivity, European Pharmacopeia, ISE,AA, ICP,redox, hazen electrode care and maintenance, TOC, milk testing, indicator solutions, feed analysis and many more.

Spex CertiPrep
SPEX CertiPrep is the leading manufacturer of Organic and Inorganic Certified Reference Materials for Spectroscopy, Chromatography, and other analytical instrumentation. SPEX CertiPrep's Certified Reference Materials (CRM) Division offers an unparalleled selection of inorganic standards for AA, ICP, ICP/MS and IC, organic standards for GC and GC/MS.

Grace Davison Discovery Sciences
Grace offers a wide range of Chromatography media, columns, instrumentation and supplies applicable to many different sectors including pharmaceutical and environmental, biofuels, chemicals, petrochemicals, food/beverage, forensic, educational and biotechnology.