- Abbey Veterinary Services - Diagnostic veterinary laboratory specialising in histopathology and cytopathology. Also offers bacterial/fungal culture and urine calculus analysis.
- Addison Biological Laboratory, Inc. - Manufacturer of animal health products and autogenous vaccines and bacterins with attached laboratory located in Fayette, Missouri. Includes product catalog, contact and company information, and laboratory information.
- Allergyvet - UK based laboratory for allergy testing in companion animals. Expert advise on immunotherapy and dietary advice.
- Antech Diagnostics - A nationwide network of integrated veterinary diagnostic laboratories dedicated to providing our clients the finest in laboratory medicine.
- Axiom Veterinary Laboratories Ltd - Leading UK veterinary diagnostic referral laboratory specialising in clinical pathology, expert advise and interpretation of results. Laboratories in London, St. Helens, Dublin and Teignmouth Devon, England. Includes company information and services.
- Biogal, Galed Labs - Develops, manufactures and markets veterinary diagnostic tools mainly the ImmunoComb Antibody Test Kits for companion and farm animals and laboratory rodents.
- Carmichael Torrance Diagnostic Laboratory - Provides a wide range of veterinary diagnostic laboratory tests that includes haematology, biochemistry, allergy testing, cytology, endocrinology, histology, microbiology and telemedicine for small animals, exotics and equines.
- Central Laboratory for Veterinarians Ltd. - Veterinary owned and operated diagnostic laboratory with two locations in Canada. Includes contact information, services, and newsletter.
- Diagnostic Vet Labs - Veterinary diagnostic laboratories with an online list of tests and profiles.
- HealthGene Corporation - DNA-based multi-species testing for genetic and infectious diseases.
- New Hampshire Veterinary Diagnostic Laboratory - Provides background and general information about the lab, a list of services and fees, travel directions, and information on specimen collection, submission, and shipment.
- Optigen, Inc. - Offers diagnostic lab service and information for genetic diseases in purebred dogs. Includes contact information, services offered, and shipping information.
- Prionics AG - A biotechnology company specialising in diagnosis of neurological disorders in animals, located in Zurich, Switzerland. Technical information on products and Prion diseases.
- Pro-Vet Diagnostics - Clinical laboratory offering diagnostic testing services and online fee schedule.
- QM Diagnostics - Centre for quality control and health monitoring of laboratory animals. Diagnostic laboratory for virology, bacteriology, parasitology and pathology.
- TLC Pet Allergy Testing - Features information for pet owners and veterinarians, submission form, and tests available.
- University of Missouri Veterinary Medical Diagnostic Laboratory - The UMC VMDL provides veterinary diagnostic services. A listing of available procedures and corresponding fees is provided.
- VDx - A veterinary pathology service owned and operated by Dr. John Peauroi, DVM, MPVM, dipl. ACVP, providing veterinary biopsy evaluation to veterinary hospitals and pathology evaluation for research and industrial clients.
- Veterinary Diagnostics Center - Animal DNA laboratory that offers parentage, identification, disease screening, and coat color testing for the canine and equine species. Also provides avian sexing.
- VetGen - Purebred animal genetic (DNA) disease testing and profiling for dogs and horses. Includes list of services and company information.
- Vetpath Laboratories - Offers testing services to veterinary practitioners in the US and Canada. Based in Oklahoma.
- Vita-Tech Laboratories - Veterinary diagnostic services and DNA-based testing for avian, small, and large animals. Includes services, news, and contact information.
- Zoogen Incorporated - Provides DNA identification and parentage testing for the canine, equine, and feline species. Also offers avian sexing.