Mark S. Londner

United Business Holdings, Inc. operates as a bank holding company. The company operates through its subsidiaries Ventana National Bank of California and Ventana National Bank of Arizona. It July 2007 and is headquartered in San Diego, CA.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

National Association of Home Builders operates as a housing trade association. It provides advocacy on issues impacting home builders, networking for home builders and those associated with the home building industry and education for home builders those associated with the home building industry. The company was founded in 1942 and is headquartered in Washington, DC.

National Society of Professional Engineers operates as a national organization committed to addressing the professional concerns of licensed PEs across all disciplines. The company was founded in 1934 and is headquartered in Alexandria, VA.

Part of Kingfish Holding Corp., TBS Constructors, Inc. is a company that provides homebuilding services. The company is based in Sarasota, FL. TBS Constructors was acquired by Kesselring Corp. on March 10, 2005.

Community Associations Institute provides information and education services for community associations and homeowners. The firm specializes in condominium, homeowners association, education, training, community management, professional development, designations and certifications, CAI, community association and credentials. The company was founded in 1973 and is headquartered in Alexandria, VA.