UK Astronomy Technology Centre (ATC) - The ATC, based at the Royal Observatory Edinburgh, aims to be the UK's National Centre for the design and production of state of the art astronomical technology - http://www.roe.ac.uk/ukatc/
The Joint Astronomy Centre - Services and support to enable astronomers to undertake research using the James Clerk Maxwell Telescope and the United Kingdom Infrared Telescope. - http://www.jach.hawaii.edu/
Isaac Newton Group of Telescopes (ING) - The Isaac Newton Group of Telescopes (ING) operates the 4.2m William Herschel Telescope, the 2.5m Isaac Newton Telescope and the 1.0m Jacobus Kapteyn Telescope on behalf of the Particle Physics and Astronomy Research Council (PPARC) of the United Kingdom - http://www.ing.iac.es/