New England Bioassay
- Environmental and toxicological laboratory, offering acute and chronic tests to meet the regulatory requirements. Lists resources and career opportunities in Manchester, Connecticut.
- http://www.nebio.com/

Labstat Internaltional Inc.
- An ISO 17025 accredited, independent, tobacco research and development laboratory specializing in mainstream, sidestream, toxicity and biomonitoring analysis for worldwide interests, based in Kitchener, Ontario.
- http://www.labstat.com/

Institute for In Vitro Sciences Inc.
- Offers clients in vitro assays, compliant with GLP, including cell-based assays measuring efficacy/potency of specialty chemicals, drugs, and biologics. Includes education and training program at Gaithersburg, Maryland.
- http://www.iivs.org/

BioDetection Systems BV.
- Offer in vitro assays for analysis of dioxins, PCBs, estrogens, POPs in food, environmental and other samples, as licensing of technology or contract analytical work in Amsterdam, The Netherlands.
- http://www.biodetectionsystems.com/

Marinco Bioassay Laboratory, Inc.
- Performs aquatic toxicity bioassays for NPDES water quality monitoring permits in Sarasota, Florida.
- http://www.toxicitylab.com/

Sterling Reference Laboratory
- Offers clinical, drug abuse and toxicological analyses throughout the USA, at labs in Idaho and Arizona, and base in Tacoma, Washington.
- http://www.sterlingreflabs.com/

Environmental Enterprises USA, Inc.
- Consulting and aquatic toxicity biomonitoring for NPDES permits, offering sample pick up and kit delivery service across the Gulf Coast from Mobile to Cameron, based in Slidell, Louisiana.
- http://www.eeusa.com/

Xenobiotic Detection Systems, Inc
- Offers dioxin analysis, and biologically-based assays for risk assessment.
- http://www.dioxins.com/

Rocky Mountain Laboratories
- Offers GLP characterization of proteins, peptides, drugs and their metabolites, using FT/IR, GC-MS and LC-MS/MS, for pharmaceutical and forensic applications. Includes tests performed, certification and contacts in Fort Collins, Colorado.
- http://www.rockylab.com/

Pharmalytica Services
- Offers research, development, routine analysis, and consultancy, with expertise in the areas of pharmaceutical, environmental, and chemical industries. Lists capabilities from Newington, Connecticut.
- http://pharmalytica.com/