Companies with a Health score of at least 4, ordered by Health score.
PV Crystalox Solar PLC produces and supplies multicrystalline silicon ingots and wafers for use in solar electricity generation systems.
CML Microsystems Plc, through its subsidiaries, designs, manufactures, and markets a range of semiconductor products for use in communications and data storage industries in Europe, the Far East, the Americas, and internationally.
IQE plc develops, manufactures, and sells advanced semiconductor materials worldwide.
Kromek Group plc, together with its subsidiaries, develops, manufactures, and sells radiation detection products for applications in the medical, nuclear, and security screening markets worldwide.
CyanConnode Holdings plc engages in the design, development, and sale of narrowband RF mesh networks that enable Omni Internet of Things (IoT) communications in the United Kingdom and internationally.
Nanoco Group plc, together with its subsidiaries, engages in the research, development, manufacture, and licensing of cadmium and heavy-metal-free quantum dots (CFQD), and semiconductor nanomaterials for use in various commercial applications.