AAON vs DHR

AAON Inc.

AAON, Inc., together with its subsidiaries, engages in engineering, manufacturing, marketing, and selling air conditioning and heating equipment in the United States and Canada. It offers rooftop units, chillers, packaged outdoor mechanical rooms, air handling units, makeup air units, energy recovery units, condensing units, geothermal/water-source heat pumps, self-contained units, coils, and controls. The company markets and sells its products to retail, manufacturing, educational, lodging, supermarket, medical, and other commercial industries. It sells its products through a network of manufacturers' representatives and internal sales force. The company was incorporated in 1987 and is based in Tulsa, Oklahoma.

Danaher Corporation

Danaher Corporation designs, manufactures, and markets professional, medical, industrial, and commercial products and services worldwide. The company operates through three segments: Life Sciences, Diagnostics, and Environmental & Applied Solutions. The Life Sciences segment provides mass spectrometers; cellular analysis, lab automation, and centrifugation instruments; microscopes; and genomics consumables. This segment also offers bioprocess technologies, consumables, and services; and filtration, separation, and purification technologies to the pharmaceutical and biopharmaceutical, food and beverage, medical, and life sciences companies, as well as universities, medical schools and research institutions, and various industrial manufacturers. The Diagnostics segment provides chemistry, immunoassay, microbiology, and automation systems, as well as hematology and molecular diagnostics products. This segment offers analytical instruments, reagents, consumables, software, and services for hospitals, physicians' offices, reference laboratories, and other critical care settings. The Environmental & Applied Solutions segment offers instrumentation, consumables, software, services, and disinfection systems to analyze, treat, and manage ultra-pure, potable, industrial, waste, ground, source, and ocean water in residential, commercial, industrial, and natural resource applications. This segment also provides instruments, software, services, and consumables for various color and appearance management, packaging design and quality management, packaging converting, printing, marking, coding, and traceability applications for consumer, pharmaceutical, and industrial products. The company was formerly known as Diversified Mortgage Investors, Inc. and changed its name to Danaher Corporation in 1984. Danaher Corporation was founded in 1969 and is headquartered in Washington, the District of Columbia.