lots of british real ales use it - fairly bog standard beer bittering fodder really ....I'll dig out Graham Wheeler's book later and get back to you with some examples
So, I've found:
Adnams broadside (with challenger)
Arkells 3B and kingsdown (with Golding)
Banks bitter and original (with Golding)
Bathams best (with northdown and Golding)
Big lamp bitter (with Golding)
Black sheep ale, best and riggwelter (with challenger, golding and progress)
Boddingtons (with WG)
Caledonian 80/- and deuchars ipa (with Golding and styrian resp.)
Cotleigh barn owl (with Northdown)
Cotleigh tawny (with challenger and Golding)
Donningtons as mentioned above
Everards beacon, original and tiger (with challenger)
Exe valley autumn glory (with Golding and styrian)
Exe valley dob's best (with Golding)
Gale's butser and HSB (with challenger and Golding)
Hook norton hooky bitter and old hooky (with challenger)
Hyde's original (with challenger)
Marston's burton bitter and pedigree (with WG and Golding)
Mcmullen country best (with bramling cross and progress)
Moorhouses pendle witches brew (all fuggles)
Ruddles best (with northdown, bramling cross and Golding)
Theakston best (with challenger)
Theakston old peculiar (with challenger and Golding)
Wadworth 6x, JCB and old father timer (with Golding)
Young's special (with Golding)