Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes under the Keytruda, Bridion, Adempas, Lagevrio, Belsomra, Simponi, and Januvia brands, as well as vaccine products consisting of preventive pediatric, adolescent, and adult vaccines under the Gardasil/Gardasil 9, ProQuad, M-M-R II, Varivax, RotaTeq, Live Oral, Vaxneuvance, Pneumovax 23, and Vaqta names. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products. vIt has development and commercialization agreement for three of Daiichi Sankyo's deruxtecan ADC candidates, which include patritumab deruxtecan, ifinatamab deruxtecan, and raludotatug deruxtecan for the treatment of multiple solid tumors both as monotherapy and/or in combination with other treatments; and AstraZeneca PLC to co-development and co-commercialize AstraZeneca's Lynparza products for multiple cancer types, and Koselugo for multiple indications. It also has licensed to develop, manufacture and commercialize LM-299, a novel investigational PD-1/VEGF bispecific antibody from LaNova. The company also has a collaboration agreement with Eisai Co., Ltd., Bayer AG, and Ridgeback Biotherapeutics LP, as well Moderna, Inc. Merck & Co., Inc. was founded in 1891 and is headquartered in Rahway, New Jersey.

Zoetis Inc. engages in the discovery, development, manufacture, and commercialization of animal health medicines, vaccines, and diagnostic products and services in the United States and internationally. The company commercializes products primarily across species, including livestock, such as cattle, swine, poultry, fish, and sheep and others; and companion animals comprising dogs, cats, and horses. It also offers parasiticides, vaccines, dermatology, other pharmaceutical, anti-infectives, animal health diagnostics, and medicated feed additives. In addition, the company provides animal health diagnostics, including point-of-care diagnostic products, instruments and reagents, rapid immunoassay tests, reference laboratory kits and services, and blood glucose monitors; and other non-pharmaceutical products, which include nutritionals, as well as products and services in biodevices, genetic tests, and precision animal health. It markets its products to veterinarians, livestock producers, and pet owners. The company has collaboration Blacksmith Medicines, Inc. to discover and develop novel antibiotics for animal health. Zoetis Inc. was founded in 1952 and is headquartered in Parsippany, New Jersey.

IDEXX Laboratories, Inc. develops, manufactures, and distributes products primarily for the companion animal veterinary, livestock and poultry, dairy, and water testing markets in Africa, the Asia Pacific, Canada, Europe, Latin America, and internationally. The company operates through three segments: Companion Animal Group; Water Quality Products; and Livestock, Poultry and Dairy. It also provides point-of-care veterinary diagnostic products, including instruments, consumables, and rapid assay test kits; veterinary reference laboratory diagnostic and consulting services; practice management and diagnostic imaging systems and services for veterinarians; and health monitoring, biological materials testing, and laboratory diagnostic instruments, and services for biomedical research community. In addition, the company offers diagnostic and health-monitoring products for livestock, poultry, and dairy; products that test water for various microbiological contaminants; point-of-care electrolytes and blood gas analyzers; in-clinic chemistry, blood and urine chemistry, hematology, immunoassay, urinalysis, and coagulation analyzers; and SNAP rapid assays test kits. Further, it provides Colilert, Colilert-18, and Colisure tests, which detect the presence of total coliforms and E. coli in water; Enterolert, Pseudalert, Filta-Max and Filta-Max xpress, Legiolert, and Quanti-Tray products; and veterinary software and services for independent veterinary clinics and corporate groups. Additionally, the company offers human medical point-of-care products and laboratory diagnostics services. The company markets its products through marketing, customer service, sales, and technical service groups, as well as through independent distributors and other resellers. IDEXX Laboratories, Inc. was incorporated in 1983 and is headquartered in Westbrook, Maine.

Church & Dwight Co., Inc. develops, manufactures, and markets household, personal care, and specialty products. It operates in three segments: Consumer Domestic, Consumer International, and Specialty Products Division. The company offers cat litters, carpet deodorizers, laundry detergents, and baking soda, as well as other baking soda based products under the ARM & HAMMER brand; condoms, lubricants, and vibrators under the TROJAN brand; stain removers, cleaning solutions, laundry detergents, and bleach alternatives under the OXICLEAN brand; toothbrushes under the SPINBRUSH brand; home pregnancy and ovulation test kits under the FIRST RESPONSE brand; depilatories under the NAIR brand; oral analgesics under the ORAJEL brand; laundry detergents under the XTRA brand; gummy dietary supplements under the L'IL CRITTERS and VITAFUSION brands; dry shampoos under the BATISTE brand; water flossers and showerheads under the WATERPIK brand; cold shortening and relief products under the ZICAM brand; oral care products under the THERABREATH brand; and acne treatment products under the HERO brand. Its specialty products include animal and food productivity products, such as ARM & HAMMER baking soda as a feed additive to help dairy cow; BIO-CHLOR and FERMENTEN used to reduce health issues associated with calving, as well as needed protein; CELMANAX refined functional carbohydrate, a yeast-based prebiotic; and CERTILLUS a probiotics products used in the poultry, dairy, beef, and swine industries. It offers sodium bicarbonate; and cleaning and deodorizing products. The company sells its consumer products through supermarkets, mass merchandisers, wholesale clubs, drugstores, convenience stores, home stores, dollar and other discount stores, pet and other specialty stores, and websites and other e-commerce channels; and specialty products to industrial customers and livestock producers through distributors. The company was founded in 1846 and is headquartered in Ewing, New Jersey.

Balchem Corporation develops, manufactures, and markets specialty performance ingredients and products for the nutritional, food, pharmaceutical, animal health, medical device sterilization, plant nutrition, and industrial markets worldwide. It operates through three segments: Human Nutrition and Health, Animal Nutrition and Health, and Specialty Products. The Human Nutrition & Health segment supplies ingredients in the food and beverage industry. Its products include spray dried and emulsified powders, extrusion and agglomeration, blended lipid systems, liquid flavor delivery systems, juice and dairy bases, chocolate systems, and cereal systems, as well as ice cream bases and variegates. This segment also offers specialty vitamin K2; microencapsulation solutions for various applications; and human grade choline nutrients and mineral amino acid chelated products for nutrition and health applications. The Animal Nutrition & Health segment provides microencapsulated products to enhance health and milk production, and delivering nutrient supplements in ruminant animals; chelation technology, which offers enhanced nutrient absorption for various species of production and companion animals; methylsulfonylmethane; and choline chloride, a nutrient for monogastric animal health. The Specialty Products segment distributes ethylene oxide and ammonia primarily for use in the health care industry; and single use canisters for sterilizing re-usable devices. This segment also markets and sells propylene oxide, a fumigant to aid in the control of insects and microbiological spoilage, as well as to reduce bacterial and mold contamination in shell and processed nut meats, processed spices, cacao beans, cocoa powder, raisins, figs, and prunes; and chelated minerals for high value crops. It sells its products through sales force, independent distributors, and sales agents. The company was incorporated in 1967 and is headquartered in Montvale, New Jersey.

Elanco Animal Health Incorporated, an animal health company, innovates, develops, manufactures, and markets products for pets and farm animals. It offers pet health disease prevention products, such as parasiticide and vaccine products that protect pets from worms, fleas, and ticks under the Seresto, Advantage, Advantix, and Advocate brands; pet health therapeutics for pain, osteoarthritis, ear infections, cardiovascular, and dermatology indications in canines and felines under the Galliprant and Claro brands; vaccines, antibiotics, parasiticides, and other products for use in poultry and aquaculture production, as well as nutritional health products, including enzymes, probiotics, and prebiotics; and a range of vaccines, antibiotics, implants, parasiticides, and other products used in ruminant and swine production under the Rumensin and Baytril brands. The company sells its products to third-party distributors; veterinarians; and farm animal producers, including beef and dairy farmers, as well as pork, poultry, and aquaculture operations. Elanco Animal Health Incorporated was founded in 1954 and is headquartered in Greenfield, Indiana.

Patterson Companies, Inc. engages in the distribution of dental and animal health products in the United States, the United Kingdom, and Canada. The company operates through three segments: Dental, Animal Health, and Corporate. The Dental segment offers consumable products, including infection control, restorative materials, and instruments; basic and advanced technology and dental equipment; and practice optimization solutions, such as practice management software, e-commerce, revenue cycle management, and patient engagement solutions, as well as clinical and patient education systems. This segment also provides a range of related services comprising software and design, maintenance and repair, and equipment financing services. The Animal Health segment distributes biologicals, pharmaceuticals, vaccines, parasiticides, diagnostics, prescription and non-prescription diets, nutritional's, consumable supplies, and equipment, as well as value-added services. This segment also provides private label portfolio of products to veterinarians, producers, and retailers under the Aspen, First Companion, and Patterson Veterinary brands. The Corporate segment offers customer financing services; and sells other miscellaneous products. It serves dentists, laboratories, institutions, other healthcare professionals, veterinarians, other animal health professionals, production animal operators, and animal health product retailers. The company was formerly known as Patterson Dental Company and changed its name to Patterson Companies, Inc. in June 2004. Patterson Companies, Inc. was founded in 1877 and is headquartered in Saint Paul, Minnesota.

PetIQ, Inc. operates as a pet medication and wellness company in the United States and internationally. It operates in two segments, Products and Services. The company offers Rx pet medications, which sells flea and tick control, heartworm preventatives, arthritis, thyroid, diabetes and pain treatments, antibiotics, and other specialty medications; and develops and manufactures its own proprietary value-branded products, as well as third-party branded products for dogs and cats. It also provides OTC medications and supplies primarily within the flea and tick control, dog dewormers, and behavior management categories of the health and wellness industry in various forms, such as spot on (topical) treatments, chewables, oral tablets, and collars. In addition, the company offers health and wellness products that include dog and cat treats, oral health solutions, stain and odor treatments, and pet nutritional supplements under the PetArmor®, Rocco & Roxie®, VetIQ®, Minties® and Sentry® brands. It provides its products primarily under the PetIQ, PetArmor, VIP Petcare, VetIQ PetCare, VetIQ, Capstar, Advecta, SENTRY, Sergeants, PurLuv, Rocco & Roxie, Minties, Heart Shield Plus, and TruProfen brand names. In addition, the company operates veterinarian service platform through community clinics, pop-up locations, wellness centers, and permanent locations that offer cost effective and convenient veterinary wellness services, including diagnostic tests, vaccinations, prescription medications, microchipping, grooming and hygiene, and wellness checks; and provides veterinary care services. It operates through veterinarian, retail, and e-commerce channels. PetIQ, Inc. was founded in 2010 and is headquartered in Eagle, Idaho. As of October 25, 2024, PetIQ, Inc. was taken private.