ITO

LumTec, Taiwan

https://lumtec.com.tw/products.php?sn=161 

custom size

Ossila, UK

https://www.ossila.com/products/ito-glass-substrates-unpatterned?variant=31274455760992 

15x20 mm

25x25 mm

25x75 mm

TechInstro, India

https://www.techinstro.com/ito-coated-glass/?srsltid=AfmBOoo74VfoyWXGzFIF_7PTYEs7txtmMCbnX6BfWrjcRW8XZEVQy3qO 

TIXZ001, 25x25 x 0.7 mm, 10 ohms/sq