International Scientific Supplies Ltd

ISS is part of the STH Plastics Group, a fast-growing UK manufacturing group operating from 3 sites.

We bring decades of expertise and innovation to the manufacture and supply of high-quality laboratory consumables. Our core competencies lie in the production of conventional blood collection tubes, test tubes and specimen containers, supported by a diverse range of products designed to meet all your sample collection, liquid handling, processing, storage, and disposal needs. 

Our state-of-the-art manufacturing facility combines the latest energy-efficient moulding, filling, capping, printing, and labelling technologies with Clean Room assembly areas, ensuring every product is processed in a HEPA-filtered, laminar flow environment. Complementing this, our temperature-controlled warehouse guarantees optimal storage conditions. Continuous investment in advanced technology allows us to deliver competitively priced products while maintaining a flexible, customer-focused approach.

Quality is the foundation of everything we do. Guided by our ISO 9001 and ISO13485 certified Quality Management System, we prioritise excellence at every stage of production—from raw material selection and inspection to rigorous process controls and stringent product testing. This unwavering commitment to quality ensures that every product meets the highest standards.

Operating from our West Yorkshire manufacturing site, we proudly supply our products to customers across the UK and around the globe. Alongside our extensive catalogue, we work closely with customers to develop bespoke solutions tailored to their unique needs. Supported by advanced MRP and CRM systems, we offer instant access to customer, order, and stock information, enabling fast and efficient responses to enquiries.

Custom Services

ISS specialises in helping businesses and organizations navigate the complexities of bringing laboratory IVD consumables to market. Whether it’s product development, scaling up production, or managing supply chains, we provide end-to-end solutions to streamline processes and simplify production.

Our custom services include:

• Contract Manufacturing
• Custom Kitting, Packaging, and Labelling

If you have specific requirements or ideas beyond what’s showcased here, we invite you to contact us to explore how we can help.

Choose ISS as your trusted partner for exceptional quality products and outstanding customer service.