
Structural & mechanical fabrication
- Building structural steel works
- Mild steel and stainless steel storage tanks
- Cyclones, spray dryers and coolers
- Pipe support structures and gantries
Wantar Engineering & Constructions Sdn. Bhd. is a CIDB G7 contractor for Malaysia's oil, chemical and manufacturing plants. We fabricate, install and maintain storage tanks, process piping and steel structures, with the civil works beneath them.







Gulf Lubes























Wantar Engineering & Constructions Sdn. Bhd., formerly known as Wanta Engineering & Constructions, has worked in Malaysia's engineering and construction industry since 1990. From our base in Masai, Johor, we cover storage tank installation, piping, steel fabrication, equipment and machinery installation, structural and civil construction, cathodic protection and maintenance.
Our projects span Johor, Selangor, Kuantan in Pahang, Perak and Terengganu, and extend to Lahad Datu in Sabah.
We are registered with CIDB and PKK at Grade G7 and work under ISO 9001 quality and ISO 45001 safety systems. An in-house Professional Engineer with Practising Certificate (PEPC, Civil) supports our site teams on design coordination, value engineering and temporary works.
To be a highly reputable, industry-leading organisation delivering engineering and construction services that exceed client expectations.
To consistently surpass client expectations with superior quality services and products, delivered with reliability, efficiency and excellence on every project.
Our own supervisors, welders, fitters and safety team cover the full package, from piling and foundations to the last coat of epoxy.






Our Masai workshop prepares components ahead of site work, which shortens time on live plants.
Current work in Selangor, Pahang and Sabah.
Piling, foundations and erection of RBDPO storage tanks, each 15.3 m in diameter and 19.5 m high, for a biodiesel refinery expansion at Pulau Indah. Two tanks are being erected and steelwork for the third has been fabricated.
Supply, fabrication, erection and commissioning of seven 130 MT product storage tanks and one equalization tank, together with the civil, mechanical and electrical works around them.
Bulking pipeline and tank modification works at a palm oil bulking installation in Lahad Datu, delivered by our team working on site in Sabah.
A selection from 26 completed projects for terminals, refineries and manufacturers across Johor, Selangor, Pahang, Perak and Terengganu.
| # | Scope | Owner |
|---|---|---|
| 01 | 6,000 m² warehouse for animal feed c/w infrastructure, piling, civil, structure and electrical works | FGV Grain Terminal, Pasir Gudang |
| 02 | Crude palm kernel transfer pipeline to interchanges, refinery, production and loading stations c/w instruments and insulation | Bunge Loders Croklaan Oils, Pasir Gudang |
| 03 | Stearin, olein and CPO export pipelines from bulking terminal to jetty | Langsat Bulkers, Tanjung Langsat |
| 04 | Turnkey new solvent plant, warehouses, office and utilities buildings c/w DOE submissions | Transmare-Chemie, Kulai |
| 05 | Turnkey ISO, mixing, process and storage tanks c/w transfer and export pipelines and safety features | Transmare-Chemie, Kulai |
| 06 | Tank roof replacement, spiral staircase, walkway, PVRV and ERV servicing, valve replacement and repainting | Transmare-Chemie, Shah Alam |
| 07 | Turnkey thermal transfer media plant c/w design, piling, civil, M&C, pipelines and tank farm pump controls | DNP Imagingcomm Asia, Pasir Gudang |
| 08 | 3 × 180 MT stainless steel latex tanks with internal polishing to grit 240 | Synthomer, Kluang |
| 09 | 15 × 2,000 MT and 1 × 1,000 MT storage tanks c/w foundation works | FGV Bulkers, Pasir Gudang |
| 10 | 500 MT tank roof replacement c/w guardrail, walkway and tank interconnection | CLP Industries, Pasir Gudang |
| 11 | Cooling water flowmeter piping c/w design, instruments, testing, commissioning and insulation | Jacobs Douwe Egberts, Johor Bahru |
| 12 | New 90 t/day sulphuric acid plant c/w 3 × 600 MT tanks, transfer pipelines and loading bays | Taiko Acid Works, Pasir Gudang |
| 13 | Sulphuric acid system annual maintenance: heat exchanger, furnace, boiler, reactor, acid towers and ducting | Taiko Acid Works, Parit Buntar |
| 14 | Annual shutdown services for sulphuric acid system | See Sen Chemical, Kemaman & Pasir Gudang |
| 15 | Warehouse fire sprinkler upgrade c/w Bomba approval submission | Delima Oil Products, Pasir Gudang |
| 16 | Bulking, process and transfer pipelines c/w steam, condensate, compressed air and electrical works | Port Klang Bulking Installation, Klang |
| 17 | Turnkey 60 m³/hr industrial effluent treatment system c/w design and DOE submission | FGV Bulkers |
| 18 | Turnkey fire water tank, pump room and discharge pipeline to FM Global requirements | Showa Denko Carbon, Kuala Langat |
| 19 | Plant expansion: locker room, pump house office, loading bay, guard house and offices | FGV Bulkers, Pasir Gudang |
| 20 | Boiler chimney construction c/w concrete footing and connections | BASF, Pasir Gudang |
| 21 | PGW 1 caustic soda plant piping and HCl plant steam pipes | CCM Chemical, Pasir Gudang |
| 22 | Production plant extension: roofing raised from 6.0 m to 13.7 m, new filter plant and machinery platform | Premium Vegetable Oil, Pasir Gudang |
| 23 | Turnkey 7,000 MT MS caustic soda tank c/w piling, foundation, bund wall, pipelines and pump controls | New Port Bulk Terminal, Pasir Gudang |
| 24 | Bio-diesel tank farm: 4 × 2,600 MT tanks c/w pipeline extension and loading bay | Langsat Bulkers, Tanjung Langsat |
| 25 | Admin building one-storey extension c/w M&E works | BASF, Pasir Gudang |
| 26 | Production warehouse, covered way and infrastructure for plastic packaging factory | Penta Packaging Solution, Pasir Gudang |
Pick a trade to see photos from our sites. Tap any photo to view it larger.




























Our registrations cover building, civil and mechanical works, so one contract can take a plant job from piling to commissioning.
Reg. No. 0120031202-JH090745
Reg. No. 0102A20060534
Quality and occupational safety systems applied on every site.
Send drawings, a BQ or a short scope. We'll arrange a site visit or come back with a quotation.