Adafruit https://www.adafruit.com/
Advanced Linear Devices http://www.aldinc.com/index.php
E Ink Corporation http://www.eink.com/
Electronic Assembly GmbH https://www.lcd-module.com/products/unitftmultifunction-tft.html
Kyocera International Inc. https://global.kyocera.com/
Lumex opto/components inc https://www.lumex.com/
Matrix orbital https://www.matrixorbital.com/
Newhaven Display http://www.newhavendisplay.com/
Varitronix http://www.varitronix.com
Amulettechnologies http://www.amulettechnologies.com/
Displaytech http://www.displaytech-us.com/
Embedded Artist http://www.embeddedartists.com/
Grayhill http://www.grayhill.com/
Pervasivedisplay http://www.pervasivedisplays.com/
sharp microelectronics https://www.sharpsma.com/
https://www.digikey.com/products/en/optoelectronics/touch-screen-overlays/110
http://www.amulettechnologies.com/index.php/support/video-tutorials
https://www.olimex.com/Products/DSP/Development/