Underwriters of Economic Roundtable Research Projects have included:

Corporate Underwriters

• DRI/McGraw
• Robert Group
• Russian - United States Defense Conversion Center
• Solis Group
• Southern California Gas Company
• Yasmin Tong Consulting

Foundation Underwriters

• ARCO Foundation
• California Community Foundation
• California Endowment
• Comic Relief Foundation
• Conrad N. Hilton Foundation
• Haynes Foundation
• Liberty Hill Foundation
• Resources Legacy Fund
• Rockefeller Foundation

Nonprofit Underwriters

• California Institute of Mental Health
• Christian Outreach in Action (COA), Long Beach
• Community Build
• Corporation for Supportive Housing
• Environmental Compliance Association
• Health Consumer Alliance of California
• Milken Institute
• My Friend's Place
• Ownership Associates
• South Bay Counseling Center
• St. Joseph Family Center
• The Planning Group
• University of Southern California
• Weingart Center Association

Public Sector Underwriters

• City of Gardena
• City of Long Beach
• City of Los Angeles
  • City Administrative Office
  • Community Development Department
  • Community Redevelopment Agency
  • Housing Authority
  • Housing Department
  • Urban Planning Department
• City of Santa Monica
• City of West Hollywood
• County of Ventura
• Gateway Cities Council of Governments
• Los Angeles County
  • Children's Planning Council
  • Community Development Commission
  • Department of Community and Senior Services
  • Department of Public Works
  • Metropolitan Transportation Authority
  • Office of Education
  • Transportation Commission
• Los Angeles Homeless Services Authority
• South Bay Council of Governments
• South Coast Air Quality Management District
• United States Air Force
• United States Department of Labor

Labor Organizationss

• International Association of Plumbing and Mechanical Officials
• Piping Industry Progress and Education Trust Fund
• Los Angeles County Federation of Labor