Assisting the Philippines' infrastructural development through our engineering expertise.

We provide the physical and organizational structures necessary for the operation, growth and sustainability of the country.

Our services

Some of Our Expert &
Professional Services

Detailed Architectural and Engineering Design of Vertical Structures
- High-rise buildings
- Low and Mid-rise buildings
- Telecommunication Towers
- Industrial Facilities (Warehouse, Silos, etc.)
- Institutional Facilities (Government Facilities, Schools, Religious Institutions, Hospitals, Sports Facilities, Essential Facilities, and other special structures)
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Detailed Engineering Design of Infrastructures
- Bridges, Flyovers, and Viaducts (i.e. Reinforced Concrete, Pre-Stressed Girders, Steel Girder, Modular Type)
- Roads and Highways
- Railroads
- Water Reticulation/Distribution Systems (i.e. Water lines, Irrigation systems, Water Impounding Structures/Hydraulic Structures, Drainage lines/systems, Flood Control systems, Water Resources)
- Slope Protection Works and Embankments
- Shore Protection Works
- Tunnels and Aqueducts
- Airports and Interchanges
Detailed Engineering Design of Ports and Harbors
- Wharf
- Jetties and Piers
- Dry-docking facilities

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Our Company

E.H. SISON ENGINEERS, Co. (EHSEC) is a professional partnership consultancy firm registered with the Security Exchange Commission (SEC) engaged in multi-disciplinary technical services.

It was established in 1989 as E.H. Sison and Associates, converted to partnership as E.H. Sison Associates, Co. in 1992, and amended to E.H. SISON Engineers, Co., in 1993 to emphasize the nature of services it offers. The firm’s initial activity involved in the design and supervision of the construction of numerous industrial and commercial projects in the country. The firm is also registered under the Professional Regulation Commission’s (PRC) Board of Civil Engineering with certificate of registration number 11-003 to practice Civil Engineering in accordance with the requirements prescribed by Section 24 Article 5 of RA544 “Civil Engineering Law”

Today, the company is one of the leading Filipino consultancy firms based in Makati City, Philippines which has grown steadily both in terms of staff and expertise. It has drawn its strength from the experience of more than three (3) decades of consultancy services in industrial, commercial, and institutional projects including infrastructure both in the government and private sectors.

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