Developers
     - Alicante, S.E.
     - Alpha Realty Corp.
     - Block Builders, Inc.
     - Brighton Homes Caribbean, Inc.
     - DDD Group, Inc.
     - IB Homes Construction Corp.
     - MAC Development, S.E.

Agencies/Institutions/Private Entities
     - Arecibo Municipal Government
     - Carolina Municipal Government
     - Cayey Municipal Government
     - Colegio de Ingenieros y Agrimensores de Puerto Rico (CIAPR)
     - Eli Lilly - Lilly del Caribe, Inc.
     - Goya de Puerto Rico Inc
     - Hipodromo Camarero - Camarero Racetrack
     - Humacao Municipal Government
     - Interamerican University of Puerto Rico
     - La Hacienda Meat Center
     - Liberty Cablevision of PR, Ltd
     - Manati Municipal Government
     - ODV Appraisal Group
     - Public Building Authority of Puerto Rico
     - Puerto Rico Health Department
     - Puerto Rico Highway and Transportation Authority
     - Puerto Rico Industrial Development Company (PRIDCO)
     - Puerto Rico Electric Power Authority
     - Puerto Rico Telephone Company
     - Texaco of Puerto Rico, Inc.
     - Thames Water Puerto Rico, Inc.
     - Wyeth Pharmatheutical - IMPRA Engineers, PSC

Contractors
     - Aireko Construction Corp.
     - Aireko Services & Installation
     - Alpha Engineering Group, PSC
     - Alproem Engineering
     - Avance Construction
     - Beta Corporation
     - Beyley Construction Group
     - Cesar A. Masó, Inc.
     - Construction Solutions Group
     - Continental Lord, Inc.
     - CRM Contractors, Inc.
     - DDD Group, Inc.
     - F & R Construction Group
     - FRAMA Construction
     - HBA Contractors, Inc.
     - Jacobs Engineering Group, Inc
     - Jafer Construction, S.E.
     - JH Monroig Construction
     - Juan F. Garcia, Inc.
     - Lord Electric Company of Puerto Rico
     - Mega Builders Group
     - Rivero Construction (RIVCON)
     - Riax Contractors Corporation
     - Space Builders Corp.
     - Stateco of Puerto Rico, Inc.

Engineers/Architects
     - AAROTEC Infrastructure Group
     - Arq. O.J. Rivera Otero, C.S.P.
     - Babilonia Engineering Group
     - Baralt-Masini Arquitectos
     - CDM Caribbean Engineers, PSC
     - Cividanes & Rosa – Architects Consultant / E. Cividanes-Freiría & Assoc
     - CMA Architects & Engineers LLP
     - CPM-MPPR Infrastructure Management
     - CSA Group, LLP
     - DDD Group, Inc.
     - Design and Development Consulting Group, P.S.C.
     - EBP Design Group Consulting Engineers
     - ERA - Enrique Ruiz & Associates
     - FUSTER + Partners - Architects, P.S.C
     - GMG Engineering Consultants, P.S.C.
     - H2A Engineers, PSC
     - Heriberto Carbia - Architects
     - Hooker Cockram P.R. Inc.
     - Huyke Colón & Associates
     - Iglesia-Vazques & Associates
     - Jacobs Engineering Group, Inc
     - Jorge Torres Scandali-Consulting Engineers
     - José L. Mediavilla Engineering
     - Juan Ayguabibas & Associates
     - Juan Rueda Cortijo, P.E.
     - Lazaro-Gandia Consulting Eng.
     - Marvel Marchand & Arquitectos
     - MEC Engineering Design Group
     - Mediavilla Engineering PSC
     - MP Engineers of Puerto Rico
     - Porticus - José M. Izquierdo, P.E.
     - Rene Acosta – Arquitectos
     - SCF –Sierra Cardona Ferrer, SRL – Architects
     - Taller de Arquitectura Margarita Fullana
     - The Office of Jaime Torres Gaztambide, PSC
     - URS Caribe, LLP
     - Washington Group International
     - WMR Group