Robert Clifford

American Institute of Certified Planners operates as a non-profit organization. It engages in the provision of verification of planners' qualifications. It also offers community assistance workshops. The company is headquartered in Chicago, IL.

American Planning Association operates as professional membership organisation. The company was founded on October 1, 1978 and is headquartered in Chicago, IL.

American Public Transportation Association provides research, policy documents, and statistics on public transportation issues such as safety, economic impact, and benefits of public transit. The private company is based in Washington. The American company also offers a library of free downloadable content including white papers, webinars, product guides, case studies, and industry analysis.

Parsons Brinckerhoff Group LLC provided engineering and construction consulting services. The firm specialized in mining, operations and maintenance, program and construction management, transportation, strategic consulting, and other related services. The company was founded by William Barclay Parsons in 1885 and was headquartered in New York, NY.