• DiaSorin focused on the development, production and distribution of immunodiagnostic products.

• Dynacare provider of diagnostic laboratory services offering partnerships with academic medical centers, hospitals, and regional and community laboratories.

• ESRD Laboratory nonaligned dialysis laboratory.

• Geneva Laboratories, Inc offers microbiology, biocompatibility chemistry, and toxicology testing.

• Genova Diagnostics specialty clinical laboratory providing tests and education for the diagnosis, prevention, and management of digestive diseases.

• Gibson Laboratories,Inc manufacturer of prepared culture media, microbiology supplies, reagents, prepared culture plates, and prepared culture tubes.

• Great Plains Laboratory conduct tests for organic acids in urine for diagnosis of fibromyalgia and autism.

• Ilex Medical System offering a range of products and services to the diagnostic, research, I.C.U and other specialized laboratories.

• Impath provides information to help physicians, hospitals, and pharmaceutical companies treat cancer patients.

• InVitro International provider of non-animal testing methods.

• Joli Diagnostic Inc. reference laboratory specializing in gastroenterology testing.

• King James Medical Laboratory, Inc. provides bioanalytic and clinical testing including trace metal analysis of hair, urine, blood and water and other clinical reference tests.

• LabCorp Provider of clinical tests ranging from routine analyses to sophisticated molecular diagnostics.

• LabSeek scientific outsourcing company providing proposals from a network of analytical testing laboratories.

• Louis C. Herring & Co. kidney stone analysis laboratory.

• Medilab Kliniska Laboratorier AB

• Microbac Laboratories, Inc. operates a national network of food, pharmaceutical, environmental, and drug testing and research laboratories capable of providing biological and chemical analyses.

• Millenova Immunology Laboratories reference laboratory that specializes in the diagnosis of immunologic causes of reproductive failure, infertility, and recurrent pregnancy loss.

• Norman Clinical Laboratory, Inc. provides a means to test individuals through the mail for cobalamin (vitamin B12 ) deficiency.

• NTD Laboratories, Inc. provides prenatal screening for Down syndrome and open spina bifida.