Heska Corporation sells veterinary diagnostic and specialty products. The Company operates through two segments: Core Companion Animal Health (CCA) and Other Vaccines, Pharmaceuticals and Products (OVP). The CCA segment includes, primarily for canine and feline use, blood testing instruments and supplies, digital imaging products, software and services, local and cloud-based data services, allergy testing and immunotherapy, and single use offerings, such as in-clinic diagnostic tests and heartworm preventive products. Its OVP segment includes private label vaccine and pharmaceutical production for cattle but also for other species, including equine, porcine, avian, feline and canine. All OVP products are sold by third parties under third-party labels. It focuses on supporting veterinarians in canine and feline healthcare space. It offers a line of veterinary blood testing and other instruments. It manufactures biological and pharmaceutical products for other animal health companies.