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Amir Khalis bin Sumardi Sidi, Managing Director The call often comes when a drilling rig can least afford to wait.
A piece of equipment is needed, a repair is urgent, or rig preparing for its next operation needs technical support at short notice. In each case, time becomes part of the requirement. This is where PEMAC has built its role. The company combines about 100 types of pressure-control equipment in inventory with manufacturing, repair and aftermarket services. Its experienced personnel give customers the speed and responsiveness needed to keep drilling operations moving.
That capability starts with what PEMAC has ready to work with. When a requirement cannot be met from inventory, its manufacturing and workshop capabilities provide another route, including equipment manufacturing and repair.
One of PEMAC’s key strengths is its broad inventory of stock materials, enabling the company to shorten manufacturing lead times and expedite customer deliveries.
That responsiveness becomes particularly valuable when turnaround times are measured in days. Whether a customer needs equipment within five days or a larger order within about a month, PEMAC aligns its manufacturing and repair capabilities to meet operational timelines. The company also provides technical support at the rig itself, with experienced personnel available whenever additional assistance is needed. This breadth of capability allows PEMAC to function as a one-stop API-certified workshop for oil and gas customers.
That capability is supported by PEMAC’s team with years of practical industry knowledge. Founder Sumardi Bin Sidi brings more than 40 years of experience in oil and gas, while many team members have spent years with the company. Employees attend training courses and industry exhibitions to strengthen their skills and stay informed about market developments. Experienced staff share their knowledge with newer employees. PEMAC also invests in new machines and equipment to upgrade its services and products.
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Impossible Delivery Is Possible With PEMAC.
Technical capability has to be matched by the standards expected in demanding oilfield environments. PEMAC maintains six (6) API MONOGRAM certifications—API 5B, 6A, 7-1, 7-2, 16A, and 16C—for the manufacture and servicing of pressure-control equipment, along with ISO 9001 and ISO 45001 certifications. While its quality control function checks manufactured products against applicable standards. Certification is maintained through regular audits, making compliance an ongoing discipline. For major oilfield customers, API certification is commercially important because it is required for many purchasing relationships. This emphasis on certification and capability underpins PEMAC’s recognition as the Top API-Certified Oilfield Equipment Manufacturer in APAC 2026.
Its practical value is clearest when customers are working against the clock. In one instance, a customer preparing to mobilize a rig needed a skilled technician at short notice. PEMAC deployed personnel to support equipment installation and certification requirements, helping the rig leave on schedule. In another case, a rig required critical equipment within days, prompting the company to increase overtime to accelerate delivery. With materials available in hand, PEMAC was able to expedite and meet their customer dateline. Together, these examples demonstrate how timely technical support and rapid equipment delivery help customers minimize downtime and keep drilling operations moving.
“Impossible delivery is possible with PEMAC,” says, Sumardi Bin Sidi, CEO.
With a team of about 50 staff and a lean structure, customers can reach senior leadership directly, allowing decisions to move quickly to the workforce. This has helped PEMAC deepen relationships with major oilfield companies. Halliburton is among its largest customers, with the relationship extending across entities in Brunei, Malaysia, Indonesia, Australia and other markets. The relationship began with one entity and expanded as its work generated further inquiries. It has experienced a similar pattern with Schlumberger, now SLB.
Moving forward, PEMAC’s focus remains on strengthening its capabilities, expanding its offering and carrying forward the experience that has built its reputation in the oilfield industry. In oilfield operations, having the right equipment is only the starting point. PEMAC’s ability to manufacture, repair and certify pressure-control equipment allows it to address customer needs at different stages of the equipment lifecycle, bringing these capabilities together under one roof.
When Rig Downtime Compresses Oilfield Equipment Lead Times
Oilfield equipment procurement becomes difficult when a drilling schedule leaves little room for delayed parts or recertification work. A pressure-control component may be technically suitable, yet a long manufacturing lead time can still extend rig downtime and compound cost. Executives comparing API-certified manufacturers therefore need to look beyond catalog breadth. Certified production must be backed by material availability. Service responsiveness then determines whether that capacity can meet compressed field schedules.
API certification is the baseline, but maintaining it matters as much as holding it. Buyers should examine which API specifications a manufacturer is certified against and how frequently its quality system is audited. The certification scope should also cover the pressure-control equipment actually required. Annual surveillance and disciplined quality control can indicate whether compliance is embedded in day-to-day manufacturing rather than treated as a document maintained for procurement purposes. Broader certification coverage can also reduce the need to divide related work among multiple workshops.
Turnaround capacity deserves equal scrutiny because lead time often depends on what is already available before an order arrives. A manufacturer that holds commonly required raw materials or finished equipment can begin work sooner than one that must wait for every input to be sourced. Inventory breadth alone is not enough. Procurement teams should identify which components are routinely stocked and how production is prioritized when urgent orders arrive. Machining resources must also be able to absorb short-notice work without displacing existing commitments. For drilling contractors, those details can determine whether equipment returns to service in days or weeks.
“PEMAC keeps materials in stock to support urgent requirements and can provide skilled personnel for field assistance when customers need support at short notice.”
Aftermarket support changes the economics of the purchase. Repair and refurbishment can extend the useful life of existing pressure-control equipment when replacement is unnecessary. Recertification then determines whether returned equipment remains acceptable for use. The relevant evaluation point is whether the same workshop can inspect equipment and carry out corrective work under an appropriate quality process. Skilled machinists with long tenure can also matter when unusual repair conditions or field support require judgment that is difficult to standardize. Buyers should look for experienced personnel across both manufacturing and service work.
Responsiveness is partly an organizational issue. Smaller manufacturers may have fewer management layers, which can shorten approval cycles when a rig is waiting on urgent support. That advantage only matters if the company has the technical depth and material base to act once a decision is made. Procurement teams should understand who can authorize priority work and how quickly those instructions reach the workshop. Field assistance should also be available when equipment needs attention close to a drilling deadline.
PEMAC manufactures oilfield pressure-control equipment and maintains an inventory of more than 100 types of pressure-control equipment for customer requirements. It also provides aftermarket services, including authorized workshop repairs, for drilling contractors and other oilfield customers. Its API-licensed workshop is supported by quality control processes and annual audits that help maintain required standards. PEMAC also keeps materials in stock to support urgent requirements and can provide skilled personnel for field assistance when customers need support at short notice. By bringing inventory, manufacturing, repair and field support together, PEMAC can respond to time-sensitive requirements without requiring customers to coordinate multiple suppliers.
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Company
Project Engineering Management and Consultancy (PEMAC)
Management
Amir Khalis bin Sumardi Sidi, Managing Director
Description
PEMAC is a Singapore-based oilfield equipment manufacturer and API-certified workshop specializing in pressure-control equipment, aftermarket repairs, and responsive support for drilling contractors. With stocked inventory, skilled personnel, and extensive industry experience, the company helps customers address equipment requirements quickly while maintaining the quality and standards required for drilling operations.
