Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
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Empowering Your Automation Projects
Service detail: Controls and Automation
Water | Wastewater | Stormwater
Project: Copamarina Beach Resort & Spa WWTP
Excellence is the Standard
Service detail: Energy Services
Designing Today the Puerto Rico of Tomorrow
Service detail: Architecture
Effective and Reliable
Project: Project Management - Centro Cardiovascular de Puerto Rico y del Caribe
Full-Service Project Delivery and Program Management
Project: PR-52 Congestion Management Project
Leading the Practice of Program Management
Project: R3 Program - Home Repair, Reconstruction, or Relocation
Founded in 1986, Despiau Associates Corp. is a San Juan, Puerto Rico geotechnical engineering practice and soil/geotechnical engineering laboratory. Since its founding, it has delivered foundation design, geotechnical investigation, materials testing, and construction inspection across more than 6,500 public and private projects throughout Puerto Rico, including Vieques and Culebra. Direct involvement in foundation supervision, analysis, and design spans more than 3,000 projects - roads, bridges, schools, parking facilities, residential and multi-story buildings, industrial facilities, and pharmaceutical plants. Alongside core geotechnical services, the practice offers environmental soil and groundwater characterization and forensic engineering and expert witness support for financial institutions, insurance companies, attorneys, and developers. Industries served include pharmaceutical, commercial, manufacturing, retail, waste management, and state, federal, and municipal government.
Service detail: Geotechnical Engineering Services
We Innovate
Service detail: Mechanical Engineering
Multiple Opportunities, One Solution.
Service detail: Engineering & Design
Geoprofessional and Materials Testing Services
Project: Route PR-66 Phase I and II
Multidisciplinary architecture, structural design, and project management services
Project: Campo Fresco Facility
Right choices today for a better tomorrow.
Project: Puerto Rico Waste Characterization Study
JLMS Consulting Engineers, P.S.C. is a mechanical engineering design and consulting practice based in San Juan, Puerto Rico, with more than twenty years of experience in HVAC, plumbing and piping, fire protection, controls and instrumentation, and energy audits. JLMS has designed systems for commercial, institutional, industrial, pharmaceutical, and residential projects across Puerto Rico, the continental United States, and the broader Caribbean region. A member of the USGBC Caribbean Chapter since 2005, it has contributed to numerous LEED-certified projects spanning retail, restaurant, school, healthcare, and pharmaceutical facilities, including a LEED Platinum-certified industrial project that received the Puerto Rico Engineers Council Outstanding Project Award.
Project: Sartorius Stedim Filters
Environmental Engineering Excellence
Project: CEMEX Environmental Support
Leaders in Ground Improvement, Soil Reinforcement and Deep Foundations Field
Project: New Tower at Mayaguez Resort and Casino
MD Engineers, P.S.C., formerly MD Engineering Group CSP, is an engineering and construction management firm, that provides a wide range of integrated solution services, to clients across an expansive market and localities.
Service detail: Construction
we'll make it last
Project: PR-22 Bridges Rehabilitation Project
Engineering excellence for industrial utilities and sustainable energy solutions
Service detail: Industrial Utilities Engineering
State-of-the-Art Architectural & Engineering Services
Project: Camuy Health Services Admin. Building
For more than 20 years, P&S Consultants has delivered architecture, engineering, environmental, and project management services across Puerto Rico and beyond. As a multidisciplinary firm, we approach every project with a balance of technical expertise, collaboration, and practical problem-solving, helping clients move from vision to construction with confidence. From public infrastructure and educational facilities to historic rehabilitation and commercial development, our work is rooted in thoughtful design, reliable coordination, and long-term impact.
Service detail: Architecture
Ray Engineers, P.S.C. is a multidisciplinary architecture and engineering practice established in Puerto Rico in 1967. Operating from its 27,000-square-foot historic headquarters in Old San Juan, the organization has delivered hundreds of projects for public and private sector clients across Puerto Rico and the Caribbean. Services span engineering design, environmental permitting, land development, transportation, and water and sanitary infrastructure. Ray Engineers, P.S.C. also maintains an international office in Fort-de-France, Martinique.
Sound Engineering Solutions for Manufacturing and Commercial Facilities
Service detail: Mechanical and Utility Systems
Civil, environmental, and water resources engineering consulting with over 25 years of professional experience.
Project: Puerto Rico Aqueduct and Sewer Authority Dam Advisory