Kindly be informed that InvestPenang team continues to work from home and is reachable via emails. Please refer to our respective emails at
Should you need to meet up , we are conducting our meetings virtually. You may connect with us for further arrangements.


View major news and upcoming events to explore Penang’s thriving key industries.

At a Glance

Principal Activit(ies): We provide development, process automation and end-to-end manufacturing solutions for high qualified buy parts, devices, mechatronics modules and complete equipment build involving complex machining, welded frame, orbital welding, cleanroom assembly and system integration & test.
Location(s): 2006 Jalan Jelawat, Seberang Jaya Industrial Estate, 13700 Prai, Penang.

Other locations: Kedah, Malaysia; Changsu, China; Ulft, Netherlands; Olomouc, Czech Republic; Oregon, United States; Singapore; Andover, United Kingdom

Number of employees: 1200+
Manufacturing Floorspace: 690,000 sq. ft.
Core Competency(ies):
  • Precision machining 300mm table size to >2m x 2m X 1.5m parts, from near-shape to solid block and welded frames
  • Welding and fabrication of frame structure and related sheet metal parts
  • Opto-electromechanical assembly & test, system integration, supply chain management
  • Design of electromechanical structures, servo & traction motors, and process automation solutions
  • Orbital welding for Semicon and O&G application
Revenue: RM534 million (2022)
Certification (s): ISO 9001: 2015
ISO 14001: 2015
ISO 13485
ISO 27001
Contact Person: Jos Willaert
Email: jos.willaert@acm-holdings.comLM Saw



AllianceCorp Manufacturing (“ACM”) began its global journey in 1998 with its flagship subsidiary, Alliance Contract Manufacturing founded in Penang, Malaysia. ACM manufactures advanced components, modules and system integration for consumer devices and high-tech equipment manufacturers in domains including medical/life science, semiconductor/E&E, professional printing/imaging, electric vehicles/energy, and e-commerce/e-logistics.

With five manufacturing sites and four engineering centres across Asia, Europe, and the United States, ACM helps more than 40 OEMs and OBMs to make their products and complex machines and delivered to their desired destinations.


Products & Services

ACM, in conjunction with its supply chain partners deliver design, manufacturing and process automation solutions to its customers. ACM brings value analysis & value engineering with its expertise on (electro)mechanical designs, together with its understanding and experience in manufacturing processes. With its diverse machining, fabrication, special processes for ultra-precision surface finishing, high vacuum leak test, orbital welding, and secondary processes in surface treatment, painting, etc. coupled with control room, class 1K & 100 cleanroom assembly and test, ACM addresses the sourcing and manufacturing needs for their customers. ACM’s expertise in parametric testing combined with their extensive ERP (SAP), MOM (ACMView) and supply chain management enables the company to integrate manufactured parts to full system builds if required.


Some OEM Products


Some Manufacturing Assets


Future Plan

ACM is expanding its operations to cater for growth. The company recently opened an additional plant in Kedah, Malaysia with a total investment of RM180m focused on mid-to-large format parts and assembly for the semiconductor equipment market.

ACM Penang also earmarks 9.5-acre land next to its current main site for future expansion, with the possibility of adding 550,000 sf manufacturing and office space in next 3 to 5 year.


Written in April 2024


Every effort is made to provide accurate and complete information in this article. However, InvestPenang makes no claims, promises or guarantees about the accuracy, completeness, or adequacy of the contents and expressly disclaims liability for errors and omissions of this article.