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.

Chewy, Inc., together with its subsidiaries, engages in the pure play e-commerce business in the United States. It provides pet food and treats, pet supplies and pet medications, and other pet-health products, as well as pet services for dogs, cats, fish, birds, small pets, horses, and reptiles through its retail websites and mobile applications. The company was founded in 2010 and is based in Plantation, Florida.

Surgery Partners, Inc., together with its subsidiaries, owns and operates a network of surgical facilities and ancillary services in the United States. The company provides ambulatory surgery centers and surgical hospitals that offer non-emergency surgical procedures in various specialties, including orthopedics and pain management, ophthalmology, gastroenterology, and general surgery. It offers diagnostic imaging, laboratory, obstetrics, oncology, pharmacy, physical therapy, and wound care; and ancillary services, including multi-specialty physician practices, urgent care facilities, and anesthesia services. In addition, it offers single- and multi-specialty facilities. Surgery Partners, Inc. was founded in 2004 and is headquartered in Brentwood, Tennessee.

Trupanion, Inc., together with its subsidiaries, provides medical insurance for cats and dogs on a monthly subscription basis in the United States, Canada, Continental Europe, and Australia. The company operates in two segments, Subscription Business and Other Business. It serves pet owners and veterinarians. The company was formerly known as Vetinsurance International, Inc. changed its name to Trupanion, Inc. in 2013. Trupanion, Inc. was founded in 2000 and is headquartered in Seattle, Washington.

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.

Petco Health and Wellness Company, Inc., operates as a health and wellness company, focuses on enhancing the lives of pets, pet parents, and its Petco partners in the United States, Mexico, and Puerto Rico. The company provides veterinary care, grooming, training, tele-health, and Vital Care and pet health insurance services, as well as veterinary services through Vetco mobile clinics. It also offers pet consumables, supplies, and services through its petco.com, petcoach.co, petinsurancequotes.com, and pupbox.com websites. The company offers its products under the WholeHearted, Reddy, and Well & Good brands. Petco Health and Wellness Company, Inc. was founded in 1965 and is headquartered in San Diego, California.

PetMed Express, Inc., together with its subsidiaries, operates as a pet pharmacy in the United States. The company markets prescription and non-prescription pet medications, health products, and other supplies for dogs, cats, and horses. It offers non-prescription medications and supplies, such as flea and tick control products, bone and joint care products, vitamins, treats, nutritional supplements, hygiene products, and household pet supplies; and prescription medications, including heartworm preventatives, flea and tick preventatives, arthritis, dermatitis, thyroid, diabetes, pain medications, heart/blood pressure, and other specialty medications, as well as generic substitutes. The company also sells food, beds, crates, stairs, and other pet supplies. It sells its products through its Internet website; mobile app; customer support center; and direct mail/print, which includes brochures and postcards. The company was incorporated in 1996 and is headquartered in Delray Beach, Florida.

Zomedica Corp., a veterinary health company, focuses on the unmet needs of clinical veterinarians by developing products for companion animals. The company offers diagnostic products comprising TRUFORMA Bulk Acoustic Wave point of care diagnostic platform; TRUVIEW, a digital cystoscopy platform that offers automated slide preparation within the instrument; and VetGuardian, a zero-touch vital signs remote monitoring system. It also provides therapeutic products, including PulseVet electrohydraulic shockwave therapy platform; and Assisi Loop line of products, including the Assisi Loop, Assisi Loop Lounge, and DentaLoop devices that treat pain and inflammation through delivery of targeted pulsed electromagnetic field focused energy. The company has collaboration agreements with Celsee, Inc. for the development and commercialization of liquid biopsy assays and related consumables for the detection of cancer in companion animals; and Seraph Biosciences, Inc. for the development of a novel pathogen detection system. The company was formerly known as Zomedica Pharmaceuticals Corp. and changed its name to Zomedica Corp. in October 2020. Zomedica Corp. is headquartered in Ann Arbor, Michigan.