Who makes BDXL blank discs?

Sony BD-R XL 100GB 4X Printable

Panasonic BD-RE XL (Rewritable) 100 GB 2x

Panasonic BD-R XL 100GB 4x

TDK BD-R XL 100GB 4X Printable

Verbatim BD-R XL 100GB 4X Printable

Sharp BD-R XL 100GB 4x Printable

Digistor BD-R XL 100GB 4X Blu-ray Printable

Line 1 Media BD-R XL 100GB 4X

Prices range from $45 to $55 for writable discs and are about $95 for a rewritable disc. Still no 128GB discs out there.