International Companies
- PricewaterhouseCoopers
- Regus Offices
- Williams Offices Caribbean Ltd. (Barbados)
- Creative Associates International (USA)
- Bazilio, Cobb & Associates (USA)
- Montserrado (Nigeria)
- Estudios, Proyectos Y Planification. S.A. (EPYPSA) (Spain)
International Oil Companies:
- Equinor (Norway)
- Sinochem (China)
- Hartree Partners (USA)
- AF AeronMollier (Norway)
- Damus Group (Trinidad & Tobago)
- Gongora & Araujo (Brazil)
- Biddle Inc. (Peru)
- GIE Group (Argentina)
International Development Agencies
- Inter-American Development Bank (IDB)
- Caribbean Development Bank (CDB)
Guyanese Government Agencies
- Ministry of Business
- Ministry of Finance
- Ministry of Social Protection
- Ministry of Public Security
- Ministry of Public Infrastructure
- Ministry of Communities
Guyanese Companies
- Guyana Water Inc. (GWI)
- Guyana Power & Light Inc. (GPL)
- Totaltec Oilfield Services Inc.
- Total Base Services
- International Petroleum & Maritime Academy
- New Biddle Guyana Inc.
- Caribbean Engineering and Management Consultants (CEMCO)
- Associated Packers Inc.
- Toolsie Persaud Ltd.
- Memorex Enterprises
- Chung’s Global Enterprise