Powering progress.
Built to deliver.
Established electrical engineering expertise for industrial, commercial, residential and infrastructure projects — from installation and testing to commissioning, maintenance and project delivery.
Engineering confidence into every connection.
Theam Leong Electrical Engineering Sdn. Bhd. is an established electrical engineering contractor with extensive experience in electrical installation, wiring, maintenance, testing, troubleshooting and related engineering services for commercial, industrial and building projects.
We are committed to safe, reliable, cost-effective and quality solutions that meet client and project requirements — with a delivery mindset focused on time, budget, performance and long-term value.
One team. Complete electrical capability.
Coordinated electrical solutions for demanding project environments, from main power systems and switchgear to safety, lighting, ELV and maintenance support.
Electrical Installation
Electrical wiring, distribution, sub-mains and installation works for industrial, commercial and building projects.
HT & LV Switchgear
High and low voltage switchgear systems, power distribution and associated electrical infrastructure.
Testing & Commissioning
Testing, verification, commissioning and system readiness prior to handover and operation.
Lighting & Power
Lighting, power, emergency lighting and external lighting systems for complete building environments.
Lightning Protection
Lightning protection and related safety solutions designed for dependable facility operation.
Security & Door Entry
CCTV, security and door entry system integration for modern commercial and industrial facilities.
Mechanical Services Integration
Electrical coordination with mechanical services and building systems for integrated project delivery.
Maintenance & Troubleshooting
Pre-planned maintenance, upgrading and troubleshooting to keep electrical systems reliable.
A disciplined path from plan to power-on.
Assessment
Understand site requirements, project scope and operating needs.
Planning
Coordinate resources, programme, technical requirements and interfaces.
Engineering
Develop practical electrical solutions aligned with project requirements.
Installation
Execute works with safety, quality and coordination at the centre.
Testing
Verify, test and commission systems before handover.
Support
Provide maintenance, upgrading and troubleshooting when required.
Structured for clear accountability.
A role-based organization chart for website presentation. Staff names are intentionally omitted.
MANAGEMENT & SALES DEPARTMENT
PROJECT DEPARTMENT
A proven project track record.
Project photographs can be added later. For now, the project section is presented as a clean year-by-year technical record, similar to established contractor websites but with a more modern interface.
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| M Summit Premium Sdn. Bhd. 46-storey affordable housing, commercial building, parking podium, M&E facilities and related infrastructure at Jalan Permatang Damar Laut, Penang. | RM6,800,000 | Vimag Consultancy |
| AMC Project at Lorong Perusahaan 6A, Kawasan Perindustrian Bayan Lepas / Perai, Pulau Pinang. | RM2,631,000 | O&A Consult Sdn. Bhd. |
| Dato Fan Kam Meng Proposed 3-storey detached house at Jalan Nunn, Georgetown, Penang. | RM286,822 | AG Ingenieur |
| Millenium Baru Sdn. Bhd. Proposed 2-storey shop house at Lot 794, Seksyen 18, George Town. | RM6,011,543 | Iconsultancy |
| Memed Sdn. Bhd. Proposed 10-storey industrial building at Penang Science Park North, Simpang Ampat. | RM3,977,595 | Nexgen Group Consultancy |
| BHL Metal Industries Sdn. Bhd. Proposed 5-storey industrial building with TNB substation and related facilities at Penang Science Park North. | RM2,000,000 | LW Consultants Sdn. Bhd. |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Infineon Technologies (Kulim) Sdn. Bhd. IFX KLM 3 - FAB at Bandar Kulim, Kedah. | RM8,500,000 | Perunding PLA |
| Memed Sdn. Bhd. Factory comprising production space, warehouse, guardhouses and refuse depots at Penang Science Park North. | RM15,338,719 | Nexgen Group Consultancy |
| Siliconware Precision Malaysia Sdn. Bhd. TNB Temporary Supply at Bandar Cassia Technology Park. | RM1,200,000 | Pen Konsult Sdn. Bhd. |
| Siliconware Precision Malaysia Sdn. Bhd. Lightning Protection at Bandar Cassia Technology Park. | RM1,605,000 | Pen Konsult Sdn. Bhd. |
| Plexus Manufacturing (M) Sdn. Bhd. Metering kiosk for new manufacturing facility at Batu Kawan. | RM966,562 | Pen Konsult Sdn. Bhd. |
| UCM Holding Sdn. Bhd. Proposed strata development at Jalan Juru, Mukim 13. | RM1,700,000 | Han Yang Consultancy Sdn. Bhd. |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| ASE Electronics (M) Sdn. Bhd. Redevelopment comprising Plant M&E building, car park and elevated link bridges at Bayan Lepas. | RM29,969,877 | Pen Konsult Sdn. Bhd. |
| Crimson Omega Sdn. Bhd. 39-storey mixed development with retail, parking, mall, office, hotel and serviced apartments. | RM1,230,710 | Li-Zainal Consulting Engineers |
| Haniffa Jewellery, Penang Proposed interior works for Haniffa Jewellery, Penang. | RM59,452 | — |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Eclipse Automation (M) Sdn. Bhd. Factory with office at Batu Kawan Industrial Park. | RM3,318,935 | Nam Lean Construction Sdn. Bhd. |
| Airmas Development Sdn. Bhd. 2-storey semi-detached warehouse development in Penang. | RM491,647 | Perunding LN |
| Tekskill Component Sdn. Bhd. Electrical services for proposed factory and office at Batu Kawan. | RM750,000 | TF Konsult Sdn. Bhd. |
| Airmas Development Sdn. Bhd. Proposed 1-storey warehouse in Penang. | RM295,234 | Perunding LN |
| Hwa Shern Development Sdn. Bhd. Alteration and addition works at Tanjung Tokong. | RM144,004 | Perunding LN |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Hotayi Electronic (M) Sdn. Bhd. Electrical services installation for factory alteration and addition at Batu Kawan Industrial Park. | RM1,455,983 | HPM Consultant |
| ASE Electronics (M) Sdn. Bhd. Conversion of production area to Cleanroom Class 100 & Class 10. | RM865,446 | HPM Consultant |
| M Summit Inovazi Sdn. Bhd. Light industrial factory development in Penang. | RM888,000 | Vimag Consultancy Sdn. Bhd. |
| Jabil Circuit Sdn. Bhd. Electrical setup for multiple production lines. | RM780,000 | — |
| Vitrox Technologies Sdn. Bhd. Factory alteration and addition at Batu Kawan Industrial Park. | RM190,000 | Tafa Perunding |
| Bandar Kepala Batas Sdn. Bhd. Sample houses for proposed housing scheme at Bertam, Kepala Batas. | RM47,000 | J.P.R Sdn. Bhd. |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Always Ahead (M) Sdn. Bhd. / Jabil Kulim Factory alteration and addition at Kulim Industrial Estate. | RM7,015,400 | Pen Konsult |
| Ideal Homes Properties Sdn. Bhd. Low-cost flats, parking block and community facilities in Penang. | RM6,470,000 | Perunding Semangat |
| Taman Sri Bunga Sdn. Bhd. 50-storey affordable housing development in Penang. | RM10,580,000 | GH Tag Consultancy |
| MI-Equipment Factory Factory / office, TNB substation and guardhouses at Batu Kawan. | RM3,508,000 | H&H |
| Penang Development Corporation 23-storey medium-low-cost apartment development in Georgetown. | RM2,364,000 | Perunding CHLT |
| UOB Overseas Bank (Malaysia) Bhd Interior fit-out works for United Overseas Bank in Penang. | RM569,000 | CHT International Sdn. Bhd. |
| NGK Electronics Devices (M) Sdn. Bhd. Power supply works for machines. | RM797,613 | — |
| ASE Electronics Sdn. Bhd. Electrical installation at Plant 3 Level 4. | RM238,900 | — |
| Inari Technology Sdn. Bhd. Electrical work for EMI Capacity Expansion. | RM129,154 | — |
| Jabil Circuit Sdn. Bhd. Production line and electrical setup works. | RM962,247 | — |
| GUH Circuit Industry (PG) Sdn. Bhd. Electrical works for 400A supply and DB panel connection. | RM150,860 | — |
| Lumileds Malaysia Sdn. Bhd. Electrical setup for laser cut and tester equipment. | RM230,000 | — |
| Jabil Circuit Sdn. Bhd. Electrical utilities works for plant and production lines. | RM210,263 | — |
| M Summit Global Sdn. Bhd. 13-storey serviced apartment block at Jalan Magazine, Georgetown. | RM835,000 | Vimag Consultancy Sdn. Bhd. |
| UCM Holding Sdn. Bhd. Strata development at Jalan Juru. | RM1,700,000 | Han Yang Consultancy Sdn. Bhd. |
| Hunza (Penang International Commercial City) Temporary compact substation. | RM260,000 | I Consultancy |
| School Al-Itqan Electrical & ELV system installation in Penang. | RM740,000 | GH Tag |
| H&H / MI-Equipment Factory Factory / office and TNB substation at Batu Kawan. | RM3,508,000 | H&H |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Jabil Circuit Sdn. Bhd. Electrical installation and production line setup works. | RM570,000 | — |
| NGK Electronics Devices (M) Sdn. Bhd. Power supply and machine relocation works. | RM2,130,000 | — |
| ASE Electronics Sdn. Bhd. Power supply for production equipment. | RM90,000 | — |
| Sanmina-SCI System Malaysia Sdn. Bhd. Electrical works at Main Server Room. | RM67,000 | — |
| Inari Integrated Systems Sdn. Bhd. Dismantle and relocate tester machine and facilities. | RM18,000 | — |
| Mr Ooi Hoe Leng Bungalow electrical work at Batu Ferringhi. | RM350,000 | Tafa Perunding Sdn. Bhd. |
| Mr Ooi Hoe Leng & Mr Ooi Shiong Tyng Proposed 2-storey semi-detached house in Georgetown. | RM250,000 | Pen Konsult Sdn. Bhd. |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| Teong Huat Medical Sdn. Bhd. Factory and office at Bukit Minyak, Penang. | RM3,000,000 | Perunding PLA |
| SJK (C) Chung Hwa Pusat Proposed classroom block at Seberang Perai Utara. | RM290,000 | Perunding PLA |
| Lumileds Malaysia Sdn. Bhd. Diesel generator supply and installation. | RM1,200,000 | — |
| GUH Circuit Industry (PG) Sdn. Bhd. New printing room electrical installation works. | RM108,300 | — |
| Project / Project Owner | Contract Value | M&E Consultant |
|---|---|---|
| QDOS Flexcircuit Sdn. Bhd. Factory / office and guardhouse at Batu Kawan Industrial Park. | RM3,488,000 | Pen Konsult Sdn. Bhd. |
| Juara Tiga Sdn. Bhd. Terrace houses and TNB electrical substation in Penang. | RM600,000 | C S N Mechanical & Electrical Consulting Engineers |
| The Titular Roman Catholic Bishop of Penang Repair works to Church of the Assumption, Georgetown. | RM500,000 | I Consultancy |
| Majlis Bandaraya Pulau Pinang Refurbishment of Infirmary Building at Jalan Sungai. | RM1,800,000 | Cordel Solutions Sdn. Bhd. |
| Majlis Bandaraya Pulau Pinang Refurbishment of shophouses at Kimberley Street. | RM300,000 | GH Tag Consultancy |
| Majlis Bandaraya Pulau Pinang Swimming pool / sports facilities complex at Jalan Paya Terubong. | RM2,000,000 | I Consultancy |
Qualified, registered and quality focused.
Theam Leong maintains registrations and certifications that support compliant and professional project delivery, including SSM, Suruhanjaya Tenaga, CIDB G7, ISO 9001:2015, Ministry of Finance, TNB and Telekom contractor registrations.
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