Diploma’s specialist businesses support technically demanding applications in a range of markets – from aerospace and renewables to infrastructure and healthcare. Our businesses are organised into three Sectors – Controls, Seals and Life Sciences. The Sectors provide structure, and the businesses deliver results.

Learn more about the dynamic companies in our decentralised Group.

Advanced technologies for critical applications

Our Controls businesses provide precision products for highly technical applications across a wide range of markets, including aerospace, defence, datacentres, energy, infrastructure and medical. 

Interconnect Solutions Group

IS Group supplies electrical-mechanical interconnect solutions to customers in defence, energy, medical and industrial markets. Customers benefit from tailored solutions, responsive customer service and technical knowledge.

Interconnect Solutions Group website

Peerless Aerospace

Peerless supplies high-performance fasteners to the aerospace market. Customers benefit from breadth of inventory, technical expertise, QA, certification, lot traceability, bespoke kitting and vendor-managed inventory.

Peerless Aerospace website

Clarendon

Clarendon supplies a range of specialty fasteners into aerospace, space, motorsport and defence markets. Customers benefit from technical expertise, QA, certification, design, bespoke kitting and automatic inventory replenishment.

Clarendon website

Shoal Group

Shoal Group supplies specialist wire and cable solutions to datacentres, rail, energy, marine and construction industries. Customers benefit from same-day dispatch, technical support and custom product and inventory solutions.

Shoal Group website

T.I.E

T.I.E. supplies components for the specialist repair, servicing and refurbishment of industrial automation equipment, delivering minimised downtime, technical support and asset life extension to customers in industry and manufacturing.

T.I.E website

Techsil

Techsil supplies specialty adhesives to customers in a broad range of industrial manufacturing markets. It offers customers innovative and bespoke solutions, inventory and supply chain management, kitting and technical support.

Techsil website

Windy City Wire

Windy City Wire supplies low-voltage wire and cable management solutions into broad industrial and infrastructure markets and data centres. Customers benefit from significant cost and time savings – from concept to completion.

Windy City Wire website

High-performance solutions that power progress

Our Seals businesses provide reliable, high-performance sealing and fluid power solutions that protect equipment, power innovation and drive uptime across industries, from construction to agriculture and energy to water. 

R&G Fluid Power Group

R&G delivers high-quality, reliable fluid power solutions tailored to the needs of its diverse customer base. It supports aftermarket applications and customers benefit from expertise, product knowledge and inventory.

R&G Fluid Power Group website

DICSA

DICSA specialises in high-quality stainless steel hydraulic fittings, supplying a range of fluid power solutions to many end markets. It offers product assembly and testing, technical expertise, breadth of inventory and advanced international logistics.

DICSA website

M Seals

M Seals supplies high-quality custom sealing solutions for a wide range of industrial applications. Customers benefit from bespoke services, including design and engineering support, quality control and testing.

M Seals website

Diploma Australia Seals (DAS)

DAS supplies premium mechanical engineering products, parts and servicing for equipment in markets including mining and water management. Customers benefit from reduced lifecycle costs, reduced energy consumption and downtime.

Diploma Australia Seals website

Hercules Aftermarket

Hercules Aftermarket supplies an extensive range of sealing products and custom kits to customers repairing heavy machinery and hydraulic equipment. It offers next-day delivery, technical support, usage and installation instructions, kitting and custom seals, quality assurance and training.

Hercules Aftermarket website

Hercules OEM

Hercules OEM supplies a wide range of products and technical solutions to OEMs. Customers benefit from bespoke services, including design and engineering support, quality control and testing.

Hercules OEM website

VSP

An engineering-focused company providing bespoke solutions for high-cost-of-failure applications in the transportation, chemical processing, energy and marine industries. Customers benefit from technical expertise, custom engineering, ongoing support and significant cost savings.

VSP website

Smart solutions that drive better patient outcomes

Our Life Sciences businesses provide value-add solutions in the medtech, in vitro diagnostics (IVD) and scientific segments of the global healthcare market. We aspire to make a difference for the people we help treat by providing smart solutions that drive better patient outcomes. 

Our Life Sciences North America businesses

Somagen Diagnostics, AMT Surgical and Vantage Endoscopy – deliver advanced diagnostics technologies, allowing for early disease detection and monitoring, and innovative surgical instruments and medical devices, specialising in endoscopes.

Our Life Sciences Europe businesses

Simonsen & Weel, Kungshusen, Accuscience, Technopath Distribution and Alpha Laboratories – supply diagnostic and scientific technologies, surgical instruments, medical devices, endoscopes, patient monitoring equipment, specialist hospital supplies and clinical nutrition.

Our Life Sciences Australasia businesses

Abacus dx and Big Green Surgical – deliver diagnostic technologies, surgical instruments, consumables and patient positioning devices.

Want to dig a little deeper?

Learn more about each of our businesses, including end markets, customers, products and value-add services.

Download our Handbook of Businesses