- PTR Optic
- Address:UK
- Vision Science Ltd
- Address:Unit 7, Stow Court, Stow Road Cambridge, Cambridgeshire
- Sussex Sensor
- Address:PO Box 1040
- PG Instruments Limited (Beijing)
- Address:ALMA PARK, WIBTOFT, LEICESTERSHIRE, LE17 5BH, ENGLAND
- Coventry Scale
- Address:137 Barker Butts Lane Coventry, West Midland
- Quest Grou
- Address:Birminghamerdingtonbilton Rd. Greenford
- Precision Optic
- Address:Brockweir
- Aolong Grou
- Address:Cambridge University 22 Cambridge , Cambridge
- Edinburgh Instrument
- Address:2 Bain Square
- J B Inova Ltd
- Address:Fairview, Lambhill, Bride, IOM, Ramsey
- TELONIC INSTRUMENTS LIMITED
- Address:Unit 5 Toutley Industrial Estate, Toutley Road
- Sarissa Biomedical Ltd
- Address:Dept of Biological Science, University of Warwick
- O-Net Trade Service
- Address:Po Box 787
- SmartPowerSho
- Address:Soveriegn Way, Chester West Employment Park
- Alan Browne Gauge
- Address:Kenilworth Road
- Livingston sale
- Address:Queens Road
- Litetec Ltd
- Address:507 Ashingdon Road
- osttrade1
- Address:5 langley close, DOVERCOURT, ESSEX, UK,CO12 4AY
- Durro Trade
- Address:111 Romford Road London, Londo
- NanoMagnetics Instrument
- Address:Suite 290 266 Banbury Road