The Global
Supplier with
the Personal Touch
Rayfast provides specialised technical products and solutions to the global defence, civil aviation, medical, motorsport and industrial markets — backed by the resources of Diploma PLC and the Interconnect Solutions Group.
Part of a Global
Network of Excellence
Rayfast is a member of the Interconnect Solutions Group — an international group of specialist companies united by a common commitment to quality, technical expertise and personal customer service. ISG is proudly part of Diploma PLC, a FTSE 250-listed corporation headquartered in London.
The Companies of IS Group
The global supplier of specialised electrical solutions. Stocking distributor of high performance wire & cable, harnessing and electro-mechanical components for aerospace, defence, motorsport, marine and industrial markets.
Officially launched in 2025, Rayfast s.r.o. serves as a key hub for value-add distribution in Central and Eastern Europe, complementing the group's strong footprint in Germany and strengthening ISG's role across the region.
Formerly known as IS-Motorsport, Rayfast USA is headquartered in Indianapolis and serves North American aerospace, defence, motorsport and industrial markets. A key hub for the group's growing US presence alongside LJR Electronics.
A leading German distributor of interconnect solutions. Acquired by ISG in 1998 and expanded through the integration of Rayquick (2012), HSP (2020) and CTS (2023) to become a major force across European markets.
Specialists in braided products and cable management solutions. Acquired in 2007, Cabletec brought an expanded range of braided sleeving, screening braid and associated products to the group's portfolio.
Acquired and integrated into the ISG UK operation in 2017 to support emerging market growth opportunities. Adds depth to the group's value-add distribution capabilities across the UK market.
Acquired in 2022, LJR Electronics strengthened the group's US presence with specialist interconnect expertise and an established customer base across North American aerospace and defence markets.
Integrated into the IS Group in 2023, Filcon brings specialist connector and electro-mechanical assembly expertise, further strengthening the group's technical capabilities in the German-speaking market.
Acquired in 2025, Astro Industries Inc is based in Dayton, Ohio and further strengthens the group's North American presence, adding specialist capabilities and an established customer base in the US market.
Over 35 Years of
Growth & Innovation
What Sets Us Apart
Technical Expertise
Our team brings deep product and application knowledge across every market we serve. From MIL-SPEC wire selection for aerospace to bespoke motorsport harness components, we help customers find the right solution every time.
Global Reach
With operations across the UK, USA, Germany, France, India, China, Turkey, Poland and the Czech Republic, ISG has the reach to support global programmes while maintaining the responsiveness of a specialist distributor.
Personal Touch
Despite the scale of the Diploma PLC group behind us, Rayfast operates with the agility and personal service of a specialist supplier. Same-day shipment, bespoke stocking packages and direct access to technical experts — every time.
Ready to Work
with Rayfast?
Get in touch with our technical team today. Whether you need a standard stock item or a bespoke solution, we're here to help.
