The firm has served a wide spectrum of enterprises like:

- A -

• ABB
• Abbott Laboratories
• Advanced Graphic Printing
• Aireko
• Autoridad para el Financiamiento de la Infraestructura
• American Airlines
• American Cyanamid
• Ashford Presbyterian Hospital

- B -

• Bacardi (Photo)
• Banco Popular de Puerto Rico
• Baxter Caribe
• Baxter Laboratories
• Bermúdez & longo
• Black & Veatch International
• Bristol-Myers Squibb

- C -

• CEMEX
• Cervecería India, Inc.
• Chase Manhattan Bank
• Chesebrough-Pond's
• Ciba Vision
• Colegio Marista
• Colgate Palmolive
• Combe
• Commonwealth Oil Refining Co.
• Conagra
• Constructora Santiago
• Cordis

- D -

• Darby Drug
• Department of Housing and Urban Development
• Department of Transportation and Public Works
• Desarrollo e Inversiones del Sur
• Digital Equipment
• Dina Corp.
• Dupont Electrics
• Dupont Agricultural

- E -

• Edelcar, Inc.
• El Nuevo Día, Inc.
• Empresas Caparra
• Empresas Díaz
• Empresas Fonalledas
• Empresas Masso
• ESSROC Italcementi
• Ethicon
• Exxon

- F -

• Fuentes & Sons, Inc.
• Federal Insurance

- G -

• General Electric
• General Foods
• Government Development Bank of Puerto Rico
• Grupo Ferré Rangel
• GTE

- H -

• Haciendas Development
• Hamilton Sundstrand
• Hanes
• Hertz
• Hewlett Packard
• Host International

- I -

• Intel
• Interlink Group
• Interstate General Properties
• Institute of Puerto Rican Culture
• Instrumental Laboratory
• iPR Pharmaceuticals, Ltd.

- J -

• Janssen Ortho LLC
• JCPenney, Co.
• Johnson & Johnson

- K -

• Kmart
• Kiewit - Kenny - Zachry

- L -

• Lilly del Caribe Inc.
• Linde Gas
• Loctite
• Lord Electric Company of Puerto Rico
• Los Cipreses Cemetery

- M -

• Marina de Ponce, Inc.
• Matosantos Commercial
• McNeil Laboratories
• Merck & Co.
• Metropolitan Bus Authority
• Microsoft
• 3M
• Mitsubishi
• Municipality of San Juan
• Muñiz y Zavala
• Muñoz Bermudez Holdings

- N -

• National Insurance
• Newcomm Wireless/ Movistar

- O -

• Ohmeda
• OMJ Pharmaceuticals
• Otrho Parmaceuticals
• Owens-Illinois

- P -

• Pan American Grain
• Palmas del Mar Properties Inc.
• Pepsi Co.
• Pfizer
• Plaza Las Americas
• Praxair
• Primera Hora
• Procter & Gamble
• Pueblo International
• Puerto Rican American Insurance
• Puerto Rican Cement
• Puerto Rico Acueduct & Sewer Authority
• Puerto Rico Electrical Power Authority
• Puerto Rico Highway and Transportation Authority
• Puerto Rico Industrial Development Company
• Puerto Rico Public Buildings Authority
• Puerto Rico Tourism Company
• Pulte Homes Caribbean
• Ponce School of Medicine
• Power Poles

- R -

• Ralston-Purina
• RCA
• Ready Mix Concrete
• Rigid Pak
• Ritz Carlton Hotels

- S -

• Safety Kleen
• San Juan Cement
• San Patricio MRI
• Serralles Inc.
• Schering-Plough
• Searle
• Shell
• Solid Waste Management Authority
• St. Louis Desarrollos y Inmobiliarios
• Sun Oil
• Syntex

- T -

• Texaco
• Terranova Development
• Tishman Realty Corp.
• To-Ricos
• Tres Rios

- U -

• Unilever
• Union Carbide
• Universidad Católica
• Universidad del Sagrado Corazón
• University of Puerto Rico
• Upjohn
• US Postal Service

- V -

• Veterans Administration

- W -

• Warner-Lambert
• Watson Laboratories
• Westin Hotels
• Westinghouse
• Wyeth

- Y -

• YMCA

- Z -

• Zaragoza and Alvarado
• Zimmer Caribe

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