Aviation

• Copa Airlines.
• Grupo Taca
• ST Aerospace Panama Inc.

Banking, finance and capital markets

• Andbanc (Panama), S.A.
• BAC International Bank Inc.
• Banco Azteca (Panama) S.A.
• Banco Citibank (Panama), S.A.
• Banco Davivienda(Panama),S.A.
• Banco Ficohsa (Panama) S.A.
• Banco Financia, S.A.
• Banco General, S.A.
• Banco Lafise (Panama), S.A.
• Banco Panama, S.A.
• Banco Panameno de la Vivienda, S.A.
• Banco Prival, S.A.
• Banco Santander (Panama), S.A.
• Banistmo, S.A.
• Banistmo Securities
• BG Valores, S.A.
• Caja de Ahorros
• CFR International SPA
• Charles Schwab & Co. Inc.
• Citibank, N.A.
• Citivalores S.A.
• Credit Suisse AG, Cayman Islands Branch
• Global Bank Corporation
• GNB Sudameris Bank (Panama), S.A.
• GTC Bank Inc. 
• Grupo Mundial Tenedora
• Helm Bank (Panama), S.A.
• Inter-American Investment Corporation
• Julius Baer
• Julius Baer Investments (Panama), S.A.
• Prival Securities, Inc.
• Royal Bank of Canada
• St. George's Bank & Company, Inc.
• Tag Bank, S.A.
• The Bank of Nova Scotia (Panama), S.A.
• The Bank of Nova Scotia
• The World Bank
• UBS AG

Energy and natural resources

• AES Changuinola, S.R.L.
• AES Colon, S.R.L. 
• AES Panama, S.R.L. 
• Alternegy S.A.
• Ashmore Energy International 
• Bahía Las Minas Corp.
• Baltimore Gas & Electric (Constellation Power)
• BW Ventures, S.A.
• Celsia S.A., E.S.P. 
• Colon LNG Terminal S. de R.L. 
• Costa Norte LNG Terminal, S. de R.L.
• Elektra Noreste
• Empresas Publicas de Medellin 
• Hidroecológica del Teribe, S.A.
• Gas Natural Atlántico S. de R.L. 
• Grupo Lakas
• Ideal Panama, S.A. (Carlos Slim Group)
• Latin America Power 
• Minera Panamá, S.A.
• Petroamerica Terminal, S.A. (PATSA)
• Petroleos Delta
• Puma Energy
• Shell Oil Company
• The Shell Company (W.I.) Limited 
• VTTI Latin America, B.V.

Food

• Archer Daniels Midland Company
• Compania Azucarera La Estrella, S.A.
• Industrias Lacteas, S.A.
• Kraft Foods Inc.
• Nestle Centroamerica, S.A.
• Nestle Panama, S.A.
• Olam Americas Inc.
• Olam International Limited
• Productos Alimenticios Pascual 
• Syngenta

Information Technology

• General Dynamics Information Technology Inc.

Manufacturing

• Mattel Inc.
• Mi-Jack Products Inc.
• Payless Shoesource (Panama) S.A.
• Procter & Gamble
• VF Corporation
• Estée Lauder

Maritime and port facilities

• Aegean Marine
• Evergreen International (Colon Container Terminal)
• Hubel Marine 
• PSA Panama International Terminal, S.A.
• Sociedad Latinoamericana de Inversiones
• Transocean Maritime Co.

Mining

• Anglo American Services (UK) Limited
• First Quantum Minerals Ltd. 
• Industrial Minera México, S.A., de C.V.
• Minera Panamá, S.A.
• Sumitomo Corporation
• Vale, S.A.

Pharmaceutical

• Nordion Inc.
• Pfizer
• Sanofi-Aventis

Public tenders and concession contracts

Real estate, infrastructure and related industries

• Benchmark Hospitality International
• Bijao Beach Resort
• Cemento Panama
• Cemex
• Constructora Urbana S.A.
• Equity International
• FCC Construcciones, S.A.
• Grupo Los Pueblos
• Grupo Unidos por el Canal S.A. (GUPC)
• Grupo Verde Azul, S.A. (Buenaventura)
• Holcim
• Ideal Living Corp. (Santa María Golf & Country Club)
• Icrete
• Ingenieros Civiles Asociados
• London & Regional (Panama), S.A.
• Provivienda
• Punta Barco Resort 
• Related Group
• Sacyr Vallehermoso
• The Washington Group
• Trump Ocean Club International Hotel & Tower Panama
• URS Corporation

Telecommunications

• Cable & Wireless Panama, S.A.
• Cable & Wireless PLC
• Cisco Systems
• Mobilitie LLC

Tobacco

• Philip Morris

Transportation

• Copa Airlines
• Grupo Q
• Grupo Taca
• Kansas City Southern Industries
• Panama Canal Railway Company