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Atrion Corporation, together with its subsidiaries, develops, manufactures, and sells products for fluid delivery, cardiovascular, and ophthalmic applications in the United States, Canada, Europe, and internationally. The company's fluid delivery products include valves that fill, hold, and release controlled amounts of fluids or gasses for use in various intubation, intravenous, catheter, and other applications in the anesthesia and oncology fields, as well as promote infection control in hospital and home healthcare environments. Its cardiovascular products comprise Myocardial Protection System that delivers fluids and medications, and mixes critical drugs, as well as controls temperature, pressure, and other variables; cardiac surgery vacuum relief valves; silicone vessel loops for retracting and occluding vessels; and inflation devices for balloon catheter dilation, stent deployment, and fluid dispensing, as well as products for use in heart bypass surgery. The company's ophthalmic products consist of a line of balloon catheters, which are used for the treatment of nasolacrimal duct obstruction in children and adults. It manufactures products for safe needle and scalpel blade containment; inflation systems and valves used in marine and aviation safety products; components used in inflatable survival products and structures; and one-way and two-way pressure relief valves that protect sensitive electronics and other products during transport in other medical and non-medical applications. The company sells its products to physicians, hospitals, clinics, and other treatment centers; and other equipment manufacturers through direct sales force, independent sales representatives, and distributors. Atrion Corporation was founded in 1944 and is headquartered in Allen, Texas.

CryoLife, Inc. engages in the manufacture, process and distribution of medical devices and implantable human tissues. It operates through the Medical Devices and Preservation Services segments. The Medical Devices segment includes revenues from sales of BioGlue products, aortic stents and stent grafts, On-X products, CardioGenesis cardiac laser therapy, PerClot, and PhotoFix. The Preservation Services segment focuses on revenues from preservation of cardiac and vascular implantable human tissues. The company was founded on January 19, 1984 and is headquartered in Kennesaw, GA.

Cardiovascular Systems, Inc. is a medical device company, which engages in the development and commercialization of solutions for treating vascular and coronary disease. It offers orbital atherectomy systems for both peripheral and coronary commercial applications. The company was founded in 1989 and is headquartered in St. Paul, MN.

Merit Medical Systems, Inc. designs, develops, manufactures, and markets single-use medical products for interventional, diagnostic, and therapeutic procedures in the United States and internationally. It operates in two segments, Cardiovascular and Endoscopy. The company provides micropuncture kits, angiographic needles, sheaths, guide wires, and safety products; peripheral intervention, including angiography, drainage, delivery systems, and embolotherapy products; spine products, such as vertebral augmentation, radiofrequency ablation, and bone biopsy systems; oncology products; and cardiac intervention products, such as access, angiography, electrophysiology and cardiac rhythm management, fluid management, hemodynamic monitoring, hemostasis, and intervention to treat various heart conditions. It also offers custom procedural solutions that include critical care products, disinfection protection systems, syringes, manifold kits, and trays and packs; coating services for medical tubes and wires; and sensor components for microelectromechanical systems. In addition, the company provides pulmonary products that consist of laser-cut tracheobronchial stents, over-the-wire and direct visualization delivery systems, and dilation balloons to endoscopically dilate structures; gastroenterology products, such as covered esophageal stents, syringe and gauges, and balloon dilators; and kits and accessories for endoscopy and bronchoscopy procedures. It sells its products to hospitals and alternate site-based physicians, technicians, and nurses through direct sales force, distributors, original equipment manufacturer partners, or custom procedure tray manufacturers. The company was incorporated in 1987 and is headquartered in South Jordan, Utah.

Silk Road Medical, Inc operates as a medical device company in the United States. The company offers various products for the treatment of carotid artery disease called transcarotid artery revascularization (TCAR). Its products comprise ENROUTE Transcarotid Neuroprotection System that is used to directly access the common carotid artery and establish temporary blood flow reversal; ENROUTE Transcarotid Stent System for transcarotid access; ENHANCE Transcarotid Peripheral Access Kit, which is used to gain initial access to the common carotid artery; ENROUTE 0.014 Guidewire for atraumatic vessel navigation and target lesion crossing for delivery of interventional devices; and ENROUTE Enflate Transcarotid RX Balloon Dilation Catheter, a transcarotid rapid exchange balloon for the TCAR procedure. The company was incorporated in 2007 and is headquartered in Sunnyvale, California.