Benjamin C. Sigman

Economic & Planning Systems, Inc. provides land economic consulting services. Its services include real estate economics, public finance, land use and transportation, economic development and revitalization, fiscal and economic impact analysis, housing policy, public-private partnership, and parks and open space economics. The company was founded by Walter Kieser and Tim Youmans in 1983 and is headquartered in Oakland, CA.

Economics Research Associates, Inc. provides economic analysis and consulting services for entertainment and leisure industry, real estate development, public-policy analysis, tourism, and economic development. The firm assists private developers and public agencies in assessing the future economics and outcomes of real estate projects and economic development plans. It also offers a diverse array of economic analysis and tools to answer complex problems. The company was founded in 1958 and headquartered in Los Angeles, CA.

Industrial Economics, Inc. provides environmental and economic consulting services. Its services include natural resources, decision support, objective analysis, finance and accounting, policy and strategic services. The company was founded by Mike Huguenin and Sharon Chown on October 1, 1981 and is headquartered in Cambridge, MA.