Bro, I've only done research on the so called big brands. Here's the summary (regarding Civic X stock 16" size):
Contis - only MC5 is available for 18k, with UC6 available with difficulty at around 30k and CC6 is not available in 16"
Yokohama Advan dB - not available currently in 16" but BluEarth ES32 is available
Pirelli P7 - last week Tyreman told me they are not available and Zafcom quoted around 17k but now even Zafcom has run out of these
Michelin Primacy 4 - these would be available with difficulty at minimum 21k, by my estimate
Goodyear EfficientGrip Performance - available at around 19k
Cooper CS5 Ultra Touring - available at Zafcom for 21k
Dunlop Veuro VE303 - available at just under 17k
I can provide my feedback on each of these, if required.