Leading Companies in Australia Offering High-Quality Injection Moulding Services
High-Quality Injection Moulding Services

Injection moulding is one of the most widely used manufacturing processes for producing plastic parts and components in large quantities with precision. Australia, being home to a dynamic manufacturing industry, is rich in companies that specialize in offering high-quality injection moulding services. These companies cater to various industries, including automotive, medical, packaging, electronics, and consumer goods. In this blog, we will take a detailed look at the leading injection moulding companies in Australia, their services, expertise, and how they stand out in this competitive field.
1. A Plus Plastics
Location: New South Wales (NSW)
Overview:
A Plus Plastics is a major player in the injection moulding sector in Australia. Established in 1978, the company has over 40 years of experience in the industry. They specialize in the design, manufacture, and distribution of plastic injection moulded products. What sets A Plus Plastics apart is their commitment to innovation and sustainable practices.
Key Services:
• Custom injection moulding
• Toolmaking and prototyping
• High-volume production runs
• Product design and development
• Recyclable and sustainable material solutions
Industries Served:
A Plus Plastics provides services to industries such as agriculture, automotive, consumer products, industrial, and medical. Their modern facilities and investment in cutting-edge technology ensure high precision and quality in every project.
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2. All-Plastics Engineering
Location: Sydney, New South Wales
Overview:
Founded in 1970, All-Plastics Engineering is one of the most versatile injection moulding companies in Australia. They provide comprehensive moulding services that include concept development, prototyping, and full-scale production. With decades of experience, All-Plastics Engineering combines technical expertise with state-of-the-art equipment to produce high-quality plastic parts.
Key Services:
• Precision injection moulding
• Plastic CNC machining
• Custom tooling and product development
• Overmoulding and insert moulding
• High-performance plastic solutions (e.g., PEEK, PTFE, and PPSU)
Industries Served:
The company serves a wide range of industries, including aerospace, defence, electronics, medical devices, and industrial engineering. Their focus on producing complex and high-performance plastic components makes them a preferred choice for demanding applications.
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3. Coda Plastics
Location: Melbourne, Victoria
Overview:
Coda Plastics is a family-owned company based in Melbourne that has been offering injection moulding services for over 30 years. Known for their attention to detail, Coda Plastics offers both small and large-scale production runs, with a particular emphasis on precision and quality. They work closely with clients to develop custom moulding solutions tailored to specific needs.
Key Services:
• Custom plastic injection moulding
• Tooling and prototyping
• In-house design and engineering support
• Assembly, finishing, and packaging services
Industries Served:
Coda Plastics serves the automotive, electronics, industrial, and consumer products sectors. Their ability to handle both short and long production runs makes them versatile in catering to different market demands.
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4. GPA Plastics
Location: Brisbane, Queensland
Overview:
GPA Plastics has been in the plastic injection moulding business for over 40 years, making them one of the most experienced companies in the industry. They offer a full range of services, from design consultation and prototyping to mass production. GPA Plastics has built a reputation for producing reliable, durable, and cost-effective plastic components for various industries.
Key Services:
• High-precision injection moulding
• Tool design and manufacturing
• Rapid prototyping and 3D printing
• Overmoulding and multi-component moulding
• Post-production finishing services (e.g., assembly, packaging, and labelling)
Industries Served:
GPA Plastics serves the healthcare, food and beverage, construction, and mining industries. Their focus on high precision, durability, and quality control ensures that their products meet stringent industry standards, particularly in the medical and food sectors.
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5. Mastroplas
Location: Dandenong South, Victoria
Overview:
Mastroplas is a full-service injection moulding company offering a comprehensive range of services, including design, tooling, and production. The company uses advanced injection moulding machines to produce plastic components for a variety of industries. Mastroplas prides itself on its ability to deliver customised solutions tailored to the client’s specifications and needs.
Key Services:
• Plastic injection moulding
• Mould design and engineering
• In-house tooling and prototyping
• Insert moulding and overmoulding
• Custom finishing, assembly, and packaging
Industries Served:
Mastroplas works with industries such as automotive, construction, electronics, and medical. Their strong focus on innovation, quality, and customer service has earned them a reputation as a reliable partner for both large and small businesses.
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6. Form Moulds & Plastics Pty Ltd
Location: Western Australia
Overview:
Form Moulds & Plastics is a Western Australia-based company that offers high-quality injection moulding services. The company is known for its capability in complex moulding projects and producing high-precision components for critical industries. Form Moulds & Plastics offers a range of services from product design to prototyping and mass production.
Key Services:
• Custom injection moulding
• Prototype development
• Tooling and product design
• High-volume manufacturing
• Secondary operations (e.g., assembly, welding, and printing)
Industries Served:
They cater to the mining, agricultural, construction, and medical sectors. The company’s expertise in providing robust, long-lasting plastic components has made it a preferred partner in industries that require reliability and durability.
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7. Impression Moulding
Location: Melbourne, Victoria
Overview:
Impression Moulding is a well-established injection moulding company that has been delivering high-quality plastic parts to clients in Australia for many years. The company focuses on combining cutting-edge technology with traditional craftsmanship to create superior moulded products.
Key Services:
• Custom plastic injection moulding
• Toolmaking and prototyping
• Multi-shot moulding and overmoulding
• Product design support and engineering
• Post-moulding services (e.g., painting, printing, and assembly)
Industries Served:
Impression Moulding serves the medical, automotive, packaging, and electronics sectors. The company is known for its ability to take on complex projects and produce high-precision parts that meet strict quality standards.
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8. Moulding Plastics Australia (MPA)
Location: Melbourne, Victoria
Overview:
Moulding Plastics Australia (MPA) is a family-owned business that provides a wide range of injection moulding services. MPA specializes in producing custom plastic components and offers both small and large-scale production capabilities.
Key Services:
• Injection moulding
• Toolmaking and mould design
• Prototyping and product development
• Assembly and packaging
• Recycling and sustainable production solutions
Industries Served:
MPA works across various industries, including automotive, consumer goods, industrial, and electronics. Their commitment to using eco-friendly and recyclable materials has made them a leading choice for companies looking for sustainable plastic solutions.
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9. Plastool International
Location: Sydney, New South Wales
Overview:
Plastool International is a highly specialized injection moulding company that focuses on precision tooling and high-quality plastic parts. With decades of experience, Plastool has developed expertise in providing custom solutions for demanding applications.
Key Services:
• Custom and precision injection moulding
• Tooling design and development
• Rapid prototyping
• Insert and overmoulding
• Secondary services like machining, painting, and assembly
Industries Served:
Plastool International serves industries such as aerospace, medical devices, automotive, and electronics. Their dedication to producing complex, high-precision components sets them apart from competitors.
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Conclusion
Australia’s injection moulding industry is home to a diverse range of companies, each offering unique strengths and capabilities. From large-scale manufacturers to highly specialized custom moulders, these companies contribute significantly to industries ranging from automotive to medical. The companies mentioned in this blog represent some of the top players in the field, known for their expertise, innovation, and commitment to quality.
Whether you're in need of mass production runs or a specialized custom solution, these companies have the tools, experience, and technology to bring your ideas to life. By leveraging advanced injection moulding techniques, they continue to shape Australia’s manufacturing landscape, delivering high-performance plastic components across various sectors.
About the Creator
Holloway Group
Holloway Group is a proudly Australian owned innovation facilitator and Australian manufacturer, which aims to redefine what's possible to engineer a better tomorrow for our partners, clients and community.


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