Registered capacity
CIDB G7 registered for building and civil engineering works.
CIDB G7 Registered Contractor
Built on ground.Proven by time.
Earthworks, material supply and civil construction backed by more than four decades of practical experience in Northern Malaysia.
Established
1981Serving Kedah, Perlis and Penang1981Established in Kedah
G7CIDB registration
40+Years in operation
3Northern states served
A practical legacy
Four decades of building from the ground up.
Ooi Bah Seng & Sons Sdn. Bhd. is a Kedah-based contractor established in 1981. Our experience spans earthworks, material movement, road and drainage works, flood mitigation, slopes and supporting civil infrastructure.
Long-term capability is earned on site: through dependable people, practical machinery and work completed with care.
Hands-on delivery
Experienced site teams supported by our own plant and transport fleet.
Northern reach
Project and supply coverage across Kedah, Perlis and Penang.
Core capabilities
Work that starts with solid ground.
From preparing the site to moving materials and completing associated civil works, we support both project-scale and general enquiries.
Earthworks
Practical site preparation for developments, infrastructure and construction packages.
- Site clearing and excavation
- Cut, fill and platform formation
- Ground levelling and compaction
- Slope and embankment preparation
Material Supply
Red earth, sand, rock and construction materials delivered to suit project needs.
- Red earth and filling material
- Sand, rock and aggregate
- Tipper-lorry delivery
- Project and general-order enquiries
Civil Construction
Supporting infrastructure delivered by an experienced civil works team.
- Road and access works
- Drainage and flood mitigation
- Slope, fencing and protection works
- Bridges and related infrastructure
Minimum delivery quantity depends on material, distance and site access. Contact us with your location and required quantity for confirmation.
Plant & transport
The machinery to keep work moving.
Our operational capability is supported by a practical fleet for excavation, formation, compaction and off-road material transport.
Representative fleet
- 01Excavators
- 02Bulldozers
- 03Compactors & rollers
- 04Off-road tipper lorries
- 05Water pumps
- 06Concrete mixers & breakers
G7CIDB registered
In-housePlant capability
NorthMalaysia coverage
Representative experience
Experience across demanding ground conditions.
Our company profile records completed and ongoing work across earthworks, drainage, flood mitigation, transport and supporting infrastructure.
Drainage & protective works
Associated drainage, protection and structural works for infrastructure sites.
Rock fill & embankment
Supply and placement of rock material for drainage and embankment applications.
Site & slope preparation
Excavation, formation and machinery support for site and slope development.
Project descriptions are intentionally general to protect client and contract confidentiality.
Service area
Built for Northern Malaysia.
Based in Kota Sarang Semut, we are positioned to respond to earthworks, material supply and civil construction enquiries throughout the northern region.
01Kedah
02Perlis
03Penang
Start a conversation
A practical path from enquiry to site.
Share the requirement
Send the location, work scope, estimated quantity and required timeline.
Confirm the site
We review access, material, machinery and delivery requirements.
Plan the work
Scope and commercial terms are confirmed before mobilisation.
Common enquiries
Before you contact us.
Do you accept general material orders?+
Yes. We handle both project-scale and general enquiries. Minimum quantity depends on the material, delivery distance and site access.
Which areas do you serve?+
Our main coverage is Kedah, Perlis and Penang. Other locations can be discussed based on project scope.
What information is needed for a quotation?+
Please provide the site location, required material or work scope, estimated quantity, access conditions and preferred schedule.
Is the company CIDB registered?+
Yes. Ooi Bah Seng & Sons Sdn. Bhd. is registered with CIDB Malaysia at Grade G7.
Do you supply crusher run and laterite red earth?+
Yes. Crusher run and laterite (red earth) are confirmed material supply services. Quantity, location, access, timing and any project specification must be confirmed for each enquiry.
Do you handle site clearing, excavation and land filling?+
Yes. These services are accepted as earthworks enquiries, subject to the site's condition, access, approximate area or quantity and required outcome.
Can I enquire about excavator breaker or mobile crusher works?+
Yes. Both services are available for enquiry. The material, site access, working space, scope and schedule must be assessed before arrangements are confirmed.
Project enquiries
Let’s discuss the ground ahead.
For earthworks, material supply or civil construction enquiries, contact our team with your site location and requirement.
Office
67, Batu 13, Bukit Besar
06800 Kota Sarang Semut
Kedah Darul Aman, Malaysia
Phone & WhatsApp017-474 3887
Emailobssonas@gmail.com
Enquiries are reviewed during normal business hours.