Larry J. Heitkemper

The Davey Tree Expert Co. engages in the provision of arboricultural, horticultural, environmental, and consulting services. It operates through the follwing segments: Residential and Commercial Services; Utility; and All Other. The Residential and Commercial Services segment comprises treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; practice of landscaping, grounds maintenance, tree surgery, tree feeding, and tree spraying; application of fertilizer, herbicides, and insecticides; and natural resource management and consulting, forestry research and development, and environmental planning. The Utility segment offers services to utility customers-investor-owned, municipal utilities, and rural electric cooperatives such as practice of line-clearing and vegetation management around power lines, rights-of-way, and chemical brush control; and natural resource management and consulting, forestry research and development, and environmental planning. The All Other segment include activities in research, technical support, and laboratory diagnostic facilities. The company was founded by John Davey in 1880 and is headquartered in Kent, OH.

University of Washington functions as a College/University. The company is headquartered in Seattle, WA.

Part of L3Harris Technologies, Inc., Aeromet, Inc. provides system integration, sensor and instrumentation design, aircraft modification, and airborne mission support to government and commercial customers. The company is based in Tulsa, OK. Aeromet was acquired by L-3 Communications Holdings, Inc. on June 12, 2003 for $20 million.

Noblis, Inc. engages in provision of science based technology and strategy consulting services. It supports government and industry clients in the areas of national security, intelligence, transportation, healthcare, environmental sustainability, and enterprise engineering. The company was founded in 1996 and is headquartered in Reston, VA.

Ducks Unlimited, Inc. provides wetlands and waterfowl conservation. is the world's leader in wetlands and waterfowl conservation. The firm guided by science and dedicated to program efficiency, works toward the wetlands sufficient to fill the skies with waterfowl today, tomorrow and forever. The company was founded in 1937 and is headquartered in Memphis, TN.

The American Institute of Physics (AIP) is a 501(c)(3) not-for-profit membership corporation created for the purpose of promoting the advancement and diffusion of the knowledge of physics and its application to human welfare. It is the mission of the Institute to serve the sciences of physics and astronomy by serving its Member Societies, individual scientists, students and the general public. As a 'society of societies,' AIP supports ten Member Societies, who collectively represent a broad cross-section of more than 135,000 scientists, engineers, and educators in the global physical science community. With an extensive catalog of top-cited journals, AIP is one of the world's leading publishers in the physical sciences. AIP pursues innovation in electronic publishing of scholarly journals and offers full-solution publishing services for its Member Societies. AIP publishes 13 journals; two magazines, including its flagship publication Physics Today; and the AIP Conference Proceedings series. Through its Physics Resources Center, AIP provides a spectrum of services and programs that encompass education and outreach, science communication, government relations, career services, statistical research, industrial outreach, and the history of physics and other sciences.

Spirit AeroSystems, Inc. engages in designing and manufacturing aerostructures for both commercial and defense aircraft. Its products include fuselages, pylons, nacelles, and wing components. It also provides maintenance, repair, and overhaul services. The company was founded in 2005 and is headquartered in Wichita, KS.

The Association of Corporate Counsel is a bar association that promotes the common professional and business interests of in-house counsel through information, education, networking, and advocacy. The non-profit company is based in Washington and has subsidiaries in the United States. Joining ACC provides access to valuable, supportive resources for every stage of your career. Veta T. Richardson has been the CEO of the American company since 2011.

The American Association for the Advancement of Science provides science related journal, program, and education services. The firm also promotes the responsible use of science in public policy. The company was founded in 1848 and is headquartered in Washington, DC.

The Phi Beta Kappa Society operates as an organization for liberal arts and science education. The non-profit company is based in Washington.

The Geological Society of America, Inc. engages as a non-profit organization. It helps in the advancement of geosciences. The company was founded in 1888 and is headquartered in Boulder, CO.

Trinity Consultants, Inc. provides environmental compliance services. Its services include environmental consulting; ambient and meteorological monitoring; mobile source and engine support; industrial hygiene and toxicology services; environmental, health, and safety professional training; digital solutions; BREEZE software and data services; and engineering and environmental staffing solutions. It serves the aerospace, agriculture, electric power, government, mining, oil and gas, petroleum refining, railroad, semiconductor, pulp and paper, and general manufacturing. The company was founded by Richard H. Schulze in 1974 and is headquartered in Dallas, TX.

American Geophysical Union (AGU) is an international nonprofit scientific association with 60,000 members in 137 countries. The private company is based in Washington and welcomes visitors to the first net-zero renovated building in DC, which includes a state-of-the-art conference center. AGU promotes discovery in earth and space science for the benefit of humanity by providing career and educational resources, webinars, mentoring services, and support for students and professionals at all levels in earth and space science. AGU publishes award-winning books in topics of relevance to scientists in academia, government, and industry, as well as the larger earth and space science community. AGU also has a variety of honors that recognize individuals who have made outstanding contributions to earth and space science through scientific research, education, science communication, and outreach.

Sonoma Technology, Inc. provides air quality research services. It offers climate change research services, exposure assessment, forest and fire ecology, meteorological services, near road pollution, and software and website development services. The company was founded by Jerry A. Anderson, Willard L. Richards and Donald L. Blumenthal in 1982 and is headquartered Petaluma, CA.

Northwest Research Associates, Inc. provides geophysical science research services. It offers research services on solar and stellar physics, atmosphere and climate, electromagnetic wave propagation and fluid mechanics, and data assimilation and statistical signal processing. The firm also provides space weather indices, field observations in the Indian ocean, shoreline monitoring service, video metric systems, and coherent radio receiving system. The company was founded by Donald Delisi and Edward Fremouw in 1984 and is headquartered in Redmond, WA.

National Weather Association is a non-profit organisation. It is a professional association supporting and promoting excellence in operational meteorology and related activities. The company was founded in 1975 and is headquartered in Norman, OK.

Atmospheric Technology Services Co. LLC. offers consulting, technical and business management services. It provides technical expertise, industry community and confidentiality to assist with weather or atmospheric related interests. The firm enables these interests through weather-measurement instrumentation selection, usage and data analysis. The company was founded in July 2003 and is headquartered in Norman, OK.

The International Council on Systems Engineering (INCOSE) is a global organization that aims to advance the field of systems engineering through collaboration and thought leadership. The private company is based in San Diego, CA. The organization provides resources and publications on systems engineering, including certification programs, technical publications, and a body of knowledge. INCOSE also offers events and networking opportunities for members to engage with the systems engineering community.