WBC/IPSC from Daisy, (the last I heard).
LLU from Be Wholesale, (being rebranded as O2 Wholesale); C & W; TalkTalk Business Wholesale.
I think the LLUs simply use the wholesalers' exchange equipment, and the backhaul is separate.
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost
. Internet connection -
Plusnet Value Fibre.
"Where talent is a dwarf, self-esteem is a giant."
- Jean-Antoine Petit-Senn.