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Eskay Mining Corp., a natural resource company, engages in the acquisition and exploration of mineral properties, and precious and base metal deposits in British Columbia, Canada. It holds 100% interests in the ESKAY-Corey property located in northwestern British Columbia. The company was formerly known as Kenrich-Eskay Mining Corp. and changed its name to Eskay Mining Corp. in November 2009. The company was founded in 1980 and is headquartered in Toronto, Canada.

Penumbra, Inc., together with its subsidiaries, designs, develops, manufactures, and markets medical devices in the United States and internationally. The company offers peripheral products, including the Indigo System for power aspiration of thrombus in the body; Lightning Flash, a mechanical thrombectomy system; Lightning Bolt 7, an arterial thrombectomy system; and CAT RX. It also provides access products, including guide catheters and the Penumbra distal delivery catheters under the Neuron, Neuron MAX Select, BENCHMARK, BMX96, BMX81, DDC, SENDit, and PX SLIM brands; Penumbra System, an integrated mechanical thrombectomy system comprising reperfusion catheters and separators, the 3D Revascularization Device, aspiration tubing, and aspiration pump under the Penumbra RED, JET, ACE, Max, 3D Revascularization Device, and Penumbra ENGINE brands; and neuro embolization coiling systems that includes the Penumbra Coil 400, a detachable coil that provides an alternative for the treatment of aneurysms and other complex lesions, as well as Penumbra SMART COIL, a detachable coil to treat patients with a wide range of neurovascular lesions; and POD400 and PAC400 brands. In addition, the company provides peripheral embolization products, such as Ruby Coil System consisting of detachable coils for peripheral applications; Penumbra LANTERN Delivery Microcatheter, a low-profile microcatheter with a high-flow lumen; POD (Penumbra Occlusion Device) System, a single device solution; and Packing Coil, a complementary device for use in other peripheral embolization products. Further, it offers an immersive 3D computer-based technology platform under the real immersive system brand; and neurosurgical tools, such as Artemis Neuro Evacuation Device for surgical removal of fluid and tissue from the ventricles and cerebrum. The company sells its products through direct sales organizations and distributors. Penumbra, Inc. was incorporated in 2004 and is headquartered in Alameda, California.

Sparton Corporation, together with its subsidiaries, provides design, development, and manufacturing services for electromechanical devices; and engineered products in electromechanical value stream worldwide. The company operates through two segments, Manufacturing & Design Services (MDS), and Engineered Components & Products (ECP). The MDS segment is involved in the contract design, manufacture, and aftermarket repair and refurbishment of printed circuit card assemblies, sub-assemblies, full product assemblies, and cable/wire harnesses, as well as development of embedded software and software quality assurance services in connection with medical devices and diagnostic equipment. This segment serves original equipment manufacturers and emerging technology customers serving the medical and biotechnology, military and aerospace, and industrial and commercial markets. The ECP segment designs, develops, and produces proprietary products for domestic and foreign defense, and commercial applications. It offers anti-submarine warfare devices for the U.S. Navy and foreign governments; rugged flat panel display systems for military panel PC workstations, air traffic control and industrial, and commercial marine applications; and high performance industrial grade computer systems and peripherals, as well as develops and markets commercial products for underwater acoustics and microelectromechanical based inertial measurement. This segment also performs an engineering development function for the United States military and prime defense contractors. Sparton Corporation was founded in 1900 and is headquartered in Schaumburg, Illinois.