Eight companies have won the main Institute of Physics Business Innovation Award.
The development of a revolutionary heat engine which can generate electrical power from waste heat and geothermal sources with a potential for a huge market was also recognized.
Oxford Ionics, a quantum-computing firm, has found success with its trapped-ion processors using a proprietary, patented electronic system to control quantum bits.
Dublin-based Equal1 was awarded the Quantum Business Innovation and Growth (qBIG) Prize.
Covesion, a photonic and quantum-components supplier, has won an award for its magnesium-doped, lithium niobate crystals and waveguides, allowing light to be easily converted from one frequency to another.
Metasonixx, based in Brighton, makes acoustic metamaterial panels which can dramatically attenuate sound while still allowing air to flow, dramatically improving noise management and ventilation
The companies honoured by the Institute of Physics have a promising future in the fields of imaging and medical technology.
The awards can be a significant endorsement for firms developing new technology in these fields.