- 3M - Infrastructure Division
- Aconex
- ADCH & HAS Airport Worldwide
- ADIA (Abu Dhabi Investment Authority)
- AECOM
- Afrika Tikkun USA
- AgenciaEstado
- Agricultural Bank of China
- Allianz Global Corporate & Specialty
- Alpha2omega MTP
- AMEC Environment and Infrastructure
- American Shipper
- ANI
- Arnold&Porter LLP
- Ascendant Program Services
- ASCOM S.p.A
- Ata Holdings
- Austrade
- Autoridade Nacional de Asuntos Maritimos
- Badger Meter
- Bahrain Airport Company
- Banco de Cordoba
- Barclays
- Beirut Institute
- Betchel Group, Inc.
- Black & Veatch
- Blacklin Associates
- BNDES
- BNY Mellon
- Brazilian Development Corp
- BRJ & Associates, LLC
- Business Times
- C2PM
- Camara de Comercio de Monteria
- Canadian Comercial Corporation
- Captona Partners
- CareerSMITH
- CEI-RD
- Chartis
- China Communications Construction
- China International Construction Corporation
- China Investment Corporation
- China State Grid
- City University of New York
- CNBC
- Columbia University
- Commercial Office of Peru
- Construtora Norberto Odebrecht SA
- Contraloria General de la Republica
- Cripps Sears and Partners
- CSA Group
- Curtis, Mallet-Prevost, Colt & Mosle LLP
- DekaBank Deutsche Girozentrale
- Department of Energy, South Africa
- Deutsche Bank
- Dubai Department of Economic Development
- Dupont Sustainable Solutions
- East West Bank
- EBP Brasil
- Eileen Fisher, Inc
- Embassy of Georgia
- Embassy of Indonesia
- Embassy of Oman
- Embassy of Philippines
- Embassy of the Philipines-Philippine Trade & Investment Center
- Embassy of the Republic of Kenya
- Embassy of the Republic of South Africa
- Embassy of Libya
- Embassy of Tunisia
- Encibra S.A Estudos e Projectos de Engenharia
- Ernst & Young
- Esri
- Ethiopian Railways Corporation
- Etihad Rail
- European Bank for Reconstruction and Development
- Export-Import Bank of US
- FALCON Engineering Services, Inc.
- First Western Energy Group
- Flatiron
- Folha de Sao Paulo, Brazil
- Frontline Development Partners
- Gerencia de Gestion e Innovacion de Proyectors (GIP)
- Ghana Ministry of Finance
- Gibson, Dunn & Crutcher
- Goldman Sachs
- Government of Andhra Pradesh
- Government of Quebec
- Government of Tunisia
- Grace Construction Products
- Grupo Tradeco S.A. de C.V
- Grupo Velutini
- HAKS Engineers and Land Surveyors, PC
- Haley & Aldrich
- Harvard Medical School
- Harvard University
- Haynes Boone
- Hyderabad Metro Rail Limited
- ICA
- ING Global
- Indonesia Consul-General
- Indonesia Port Company
- Industrial and Commercial Bank of China
- InfraLatinAmerica
- Insead Business School
- Institute for Sustainable Infrastructure
- International Enterprise Singapore
- Intesa Sanpaolo
- International Bank of Azerbaijan
- IPWA (International Private Water Association)
- JCRA Financial
- Kenya Ministry of Finance - PPP Unit
- Kingdom of Bahrain
- Kuwait Partnerships Technical Bureau
- KKR
- KPMG
- L-3
- L&T Metro Rail Hyderbad
- Layalina Arab Television Productions
- La Gerencia de Gestion e Innovacion de Proyectos (GIP)
- Langan Engineering and Environmental Services
- Langan International
- Legion America Inc
- Lockheed Martin Corporation
- Marabda-Kartsakhi Railway Ltd.
- Maybank Industries
- Mckinsey
- Meridian Systems
- Millennium Capital Consultants Inc
- Millennium Challenge Corporation
- Ministry of Communications and Information Technologies/TASIM Permanent Secretariat
- Ministry of Finance and Economic Planning, Ghana
- Ministry of Regional Development and Infrastructure
- MMFX Steel Corporation
- Morgan Stanley
- National Bank of Egypt
- National Bank of Kuwait
- National U.S.-Arab Chamber of Commerce
- National U.S. India Chamber of Commerce
- NYC Economic Development Corporation
- New York University
- Nigerian Ministry of Planning
- Nigerian Society of Engineers
- Overseas Private Investment Corporation
- Pace University
- Perella Weinberg Partners
- Peregrine Development International
- Permanent Mission of the Arab Republic
- Permanent Mission of Jordan to the United Nations
- Permanent Mission of Saudi Arabia
- Port Authority of New York & New Jersey
- Port Authority of New York & New Jersey
- Port of Salalah
- Investment Support and Promotion Agency of Turkey
- Project Management Institute
- PwC
- PattonBoggsLLP
- Public Works Financing
- PwC
- Qatar Public Works Authority (Ashghai)
- Qatar Rail
- Qatar Road Rehabilitation and Modernization Supervision
- Roads Department of Georgia
- San Francisco Water, Power, Sewer
- Schnabel Engineering
- SENER Ingenieria y Sistemas, S.A.
- SolarOne Solutions
- Sovereign Wealth Fund Institute
- State Oil of Company of Azerbaijan (SOCAR)
- Strategy Partners Group
- The American University in Cairo
- The Boston Consulting Group
- The Capital Corporation
- The School of Visual Art
- The University of Jordan
- The World Bank
- Thomson Rueters
- Time Warner Communications
- UBSU.S.-Saudi Arabian Business Council
- U.S.Chamber of Commerce
- United States Business Council in Iraq
- Wells Fargo