Our Company

ISI is an Industry Specialist in providing clients and businesses with single source for their Electrical Wiring System, Structured Cabling System, Fiber Optic Cabling, CCTV, CATV, FDAS, PA System, Door Access, Raised Flooring, PABX, Wireless LAN/WAN, and UPS System.

ISI provides Design, Engineering, Supply, Project Implementation and Supervision including Testing and Commissioning of Projects handled.

We cover a broad market that includes Utility Sector, Financial & Banking Sector, Insurance Sector, Manufacturing Industries, Oil Gas & Petro-Chemical Industries, Schools, Colleges and Universities. Hospitals, Healthcare Centers, Call & Data Centers etc.

Our History

SESCO was incorporated in January 1997 to cater the need of Power, Telecommunications and Data-communication Sectors. After 2 years of operation, it spun-off its Data Networking Department to become ISI. Hence on April 1999 ISI became a specialist in the field of Structured Cabling System and System Integration including Electrical Systems and Auxiliary Services.

In 2003 ISI added into its business solution the Web Domain Registration, Web Hosting Services and Web Design and Development through its Delaware USA based sister company SESCO LLC. Now with 32 or so Regular Staff and 60 Project based specialist, ISI continues to serve the market with cutting edge solutions for its clients.

Products and Services

Data Center Solutions

Provides Design Engineering Consultancy on Computer Rooms and Data Centers compliant to TIA-942 and ANSI/BICSI - 002:2011 Standards

Electrical Works

Pole Erection, Pole Dressing, Stringing, Guying, 7260/13200Volt Transmission Lines, Primary Metering and Pole Mount Transformer Installation. We do also Indoor Electrical Power & Lighting Systems


ShoreTel, NEC VOIP, Avaya IP-Telephony System, Yeastar Hybrid IP- PBX System and Yealink IP Phones, Siemens Hi-Path IP-Converged PABX System and Panasonic Hybrid PABX System

CCTV Camera System

AXIS , Bosch, LILIN, Samsung, Sony, Vivotek & HIK Vision CCTV System, Indoor/Outdoor Installation, Fixed and PTZ, Dome and Bullet 4,8,12,14,16 Camera DVR Capable, Hi-Resolution, Coaxial, IP RJ-45 or Fiber Solution with remote LAN Capabilities.

Switches & Converters

Supply and integrate Gigabit Switches and Routers like Cisco, HP Aruba Networks, D-Link, Allied Telesis, Zyxel, Huawei, Maipu for Copper, SM or MM Fiber. Media Converters copper, Fiber or Coaxial 10/100/1000mpbs speed.

Fire Detection & Alarm System

Protec, Cooper Fire System by EATON, Hochiki & Notifier by Honeywell Fire Detection System. Design, installation and commissioning.

FM-200 Fire Suppression System

Complete KIDDE FM-200 Fire Suppression System for Computer Rooms , Data Centers including other critical room areas. Can be provided with design estimate & turnkey solutions

Structured Cabling System

End-to-End Solution on Commscope, Belden CDT, Alantek, Leviton, Schneider Actassi, Panduit, Axess, LS Cable, Link Basic, iCSi Cable, Dintek & Fiber-Rex UTP & Fiber Optic Solutions and others.

Fiber Optic Solutions

Complete Solution for AFL USA OPGW, ADSS, Fig-8 Aerial Outdoor Fiber Cable, Provide and supply also Indoor/Outdoor Single Mode and Multimode Fiber Cables complete with accessories

Wireless LAN/WAN

Point-to-Point & Multi-point Backhaul Carrier Grade Ligo Wave & Firetide, Cisco - Meraki. Ruckus, Aruba by HP, Deliberant, Huawei and D-Link Wireless LAN/WAN APs w/ Controller including Pole or Fabrication and Erection. Provides also solution for WI-FI Hot Spot access

Back up UPS System

APC by Schneider UPS Solutions, Emerson-Liebert Power system, Eaton Powerware, Socomec UPS design, supply, electrical wiring installation and activation.

Raised Flooring Solution

Jindao-China, Zhongtian ZT, Tate USA, AXESS Taiwan, Cementitious compound, complete with steel understructures for typical office, LAN/WAN MDF or complete DATA or NOC Center.

Auxiliary Systems

F7, IDTECK, FingerTec, FALCO, Granding Biometrics & Door Access Control System, HID Card Access, TOA PA System, Electronic Door Lock/Access System, Time and Attendance Solution.

Fiber Training & Seminar

Conducts Technical Training and Special Seminar on Structured Cabling System Compliant to ISO 11801 and EIA/TIA 568B inclusive of Complete Fiber Cabling Hands-on Termination and Fusion Splicing.


ABC Corporation
ABX Logistics
Accent-Micro Technologies, Inc.
ADBOARD Philippines
Advance Contact Solutions Inc.
ADVANTEK Philippines Inc.
ALORICA Philippines, Inc.
AMADEUS Philippines
Anchor Insurance Brokerage Corp.
Araneta Center, Inc.
Asia Recovery Corporation
Asian Eye Institute
Asian Terminal Inc.
Asia United Bank
Asian Wall Street Journal/FEER
Ateneo De Manila University
Automated Technologies, Inc. (ATI)
Avon Cosmetics, Inc.

Banco de Oro Unibank
Bank of Tokyo Finance & Leasing
Bangko Sentral ng Pilipinas
Brady USA
Broadband Philippines Inc.
Canon Tech. Info. Philippines Inc.
CBK Power Company Ltd.
Chiyoda Philippines, Corp.
Cebu Pacific Air
Civil Aeronautics Board
Chemonics International Inc.
Chowking Foods Corporation
Coca-Cola Bottlers Phils., Inc.
COCOPlans Inc
Conching Yan Law Office
Concierge Prive
Coastal Call Center
Costa Del Hamilo, Inc.
CT Link Systems, Inc.
Cyber-J Resources

De La Salle Santiago Zobel School
De La Salle University - Taft
De La Salle University - Dasmariñas
Department of Agrarian Reform
DKSH- Edward Keller Phils.
Diageo Philippines
Digitel Mobile Phils., Inc.
Dow Jones Philippines Inc.
Eastwest Banking Corp.
EEI Corporation
EMI-YASAKI Electronics
Energy Development Corp.
EPSON Precision Philippines, Inc.
Equis Shared Services
E-Telecare Global Solutions
Extra-Ordinary Development Corp.

FEP/Philippine Daily Inquirer
Fitness First – Robinson’s Manila
First Metro Investment Corp.
First Metro Securities Brokerage Corp.
Fly Ace Corporation
FRITZ Logistics Philippines Inc.

Global Business Power Corp.
GMA-7 TV Network Inc.
GNPower Ltd. Co.
Golden ABC Corporation
Greenwich Pizza Corporation
Grepalife Assurance Corp.
Hanjin Philippines
Hitachi Global Storage Technologies Phils.
Hizon Laboratories Inc.
Honda Philippines, Inc.
House of Representatives
Huawei Technologies Phils., Inc.
Hyatt Hotel – City of Dreams

IFS Philippines Inc.
ILOILO Provincial Capitol Building
International School Manila
International Family Food Services (Shakey’s)
Instone International (Philippines) Inc.
Insular Life Assurance
Invida Philippines, Inc.
ISUZU Philippines Corporation

Japan Radio Company
JC Resources Inc.
JG Summit Petrochemical Corp.
JDC Design & Associates
Jollibee Foods Corporation
Jollibee Foods Commissary
KARJ Global Marketing Network,Inc.
Kinden Phils. Inc.
Landbank of the Philippines
Leonis Navigation, Inc.

Malayan Insurance. Co., Inc.
Manila Doctors Hospital
Makati Medical Center
Magsaysay Training Center
Mead Johnson Philippines Inc.
Metrobank Card Corporation
Metropolitan Bank & Trust Company
Megapack Container Corporation
Microphase Corporation.
Mitsubishi Motors Philippines, Corp.
MOL Logistics Philippines, Inc.
Monarch Insurance Inc.
Mosaic Communications Inc.
National University
NEP Logistics, Inc.
NCH Philippines Inc.
NYK-TDG Maritime Academy

ON Semiconductor Philippines
ORIX METRO Leasing Inc.

Pacific Nickel Phils., Inc.
Pampanga Medical Specialist Hospital
Philippine Air Force
Philippine Air Lines
Philippine Business Bank
Philippine Charter Insurance
Philippine Heart Center
Philippine Savings Bank
Pilipinas Shell Petroleum Corp.

Radio Veritas Asia
Red Ribbon Corp.
REX Printing Company Inc.
RCBC Banking Corp.
RCBC Realty Corp.
RCBC Savings Bank
Rizal Technological University
Robinsons Bank
Robinsons Retail Holdings, Inc.
ROCKWELL Automation

Sacred Heart School
Sales Rain BPO, Inc.
San Miguel Consolidated Power
San Miguel Corporation
San Roque Power Plant
San Sebastian College Recoletos
Seacrest Maritime Management, Inc.
Singapore Embassy
SM Development Corporation
SM Investments Corporation
SM Land, Inc.
SM Prime Holdings, Inc.
SM Retail, Inc.
Southville International School & Colleges
Splash Corporation
Starmalls, Inc.
Summit Media Publishing
Sun Life of Canada (Phils.), Inc.
StarPaper Corporation
Suysing Commercial Corp

Tanduay Distillers, Inc.
The Real Bank
TIM Corporation
Triplex Paper Enterprises, Inc.
Union Bank Properties, Inc.
Universal Robina Corporation
University of Batangas
University of the Philip[pines - Diliman
URSUMCO Sugar Mill
Vestas BPO Philippines, Inc.
Veterans Bank of the Philippines
World Vision International

Our Team

Anthony Madroño


Anthony Madroño

Lead Developer

Anthony Madroño


Anthony Madroño


Contact us

ISI Technology Center
      8261 Camachile Street, San Antonio Village,
      Makati City, Philippines

      (632) 8896-4324 & 25
      (632) 8899-4280

      (632) 8899-4278