[Nexus 6 Q&A, Help & Troubleshooting] gathem:
# All google devices

SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", MODE="0664", GROUP="plugdev"

# HTC devices

SUBSYSTEM=="usb", ATTR{idVendor}=="0bb4", MODE="0664", GROUP="plugdev"

# Motorola devices ## This is the device I am currently working on, but as I said I have over 10 various version nexus devices I need to root

SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", MODE="0664", GROUP="plugdev"

# Sony Ericsson devices

SUBSYSTEM=="usb", ATTR{idVendor}=="0fce", MODE="0664", GROUP="plugdev"

# NVidia Tegra 250 development board

SUBSYSTEM=="usb", ATTR{idVendor}=="0955", MODE="0664", GROUP="plugdev"

# Dell

SUBSYSTEM=="usb", ATTR{idVendor}=="413c", MODE="0664", GROUP="plugdev"

# Samsung

SUBSYSTEM=="usb", ATTR{idVendor}=="04e8", MODE="0664", GROUP="plugdev"

# LG devices

SUBSYSTEM=="usb", ATTR{idVendor}=="1004", MODE="0664", GROUP="plugdev"

# Pantech devices

SUBSYSTEM=="usb", ATTR{idVendor}=="10a9", MODE="0664", GROUP="plugdev"

# Huawei devices

SUBSYSTEM=="usb", ATTR{idVendor}=="12d1", MODE="0664", GROUP="plugdev"

# Nook color

SUBSYSTEM=="usb", ATTR{idVendor}=="2080", MODE="0664", GROUP="plugdev"

# Acer devices

SUBSYSTEM=="usb", ATTR{idVendor}=="0502", MODE="0664", GROUP="plugdev"

# FOXCONN

SUBSYSTEM=="usb", ATTR{idVendor}=="0489", MODE="0664", GROUP="plugdev"

# GARMIN_ASUS

SUBSYSTEM=="usb", ATTR{idVendor}=="091e", MODE="0664", GROUP="plugdev"

# SHARP

SUBSYSTEM=="usb", ATTR{idVendor}=="04dd", MODE="0664", GROUP="plugdev"

# ZTE

SUBSYSTEM=="usb", ATTR{idVendor}=="19d2", MODE="0664", GROUP="plugdev"

# KYOCERA

SUBSYSTEM=="usb", ATTR{idVendor}=="0482", MODE="0664", GROUP="plugdev"

# QUALCOMM

SUBSYSTEM=="usb", ATTR{idVendor}=="05c6", MODE="0664", GROUP="plugdev"

# OTGV

SUBSYSTEM=="usb", ATTR{idVendor}=="2257", MODE="0664", GROUP="plugdev"

# NEC

SUBSYSTEM=="usb", ATTR{idVendor}=="0409", MODE="0664", GROUP="plugdev"

# PMC

SUBSYSTEM=="usb", ATTR{idVendor}=="04da", MODE="0664", GROUP="plugdev"

# TOSHIBA

SUBSYSTEM=="usb", ATTR{idVendor}=="0930", MODE="0664", GROUP="plugdev"

# SK_TELESYS

SUBSYSTEM=="usb", ATTR{idVendor}=="1f53", MODE="0664", GROUP="plugdev"

# KT_TECH

SUBSYSTEM=="usb", ATTR{idVendor}=="2116", MODE="0664", GROUP="plugdev"

# ASUS

SUBSYSTEM=="usb", ATTR{idVendor}=="0b05", MODE="0664", GROUP="plugdev"

# PHILIPS

SUBSYSTEM=="usb", ATTR{idVendor}=="0471", MODE="0664", GROUP="plugdev"

# K-Touch

SUBSYSTEM=="usb", ATTR{idVendor}=="24e3", MODE="0664", GROUP="plugdev"

# Pegatron

SUBSYSTEM=="usb", ATTR{idVendor}=="1d4d", MODE="0664", GROUP="plugdev"

# Hisense

SUBSYSTEM=="usb", ATTR{idVendor}=="109b", MODE="0664", GROUP="plugdev"

# Amazon Kindle

SUBSYSTEM=="usb", ATTR{idVendor}=="1949", MODE="0664", GROUP="plugdev"

# Nikon

SUBSYSTEM=="usb", ATTR{idVendor}=="04b0", MODE="0664", GROUP="plugdev"

# Intel

SUBSYSTEM=="usb", ATTR{idVendor}=="8087", MODE="0664", GROUP="plugdev"

# Cellon

SUBSYSTEM=="usb", ATTR{idVendor}=="283b", MODE="0664", GROUP="plugdev"

# TCL

SUBSYSTEM=="usb", ATTR{idVendor}=="1bbb", MODE="0664", GROUP="plugdev"

# TeleEpoch

SUBSYSTEM=="usb", ATTR{idVendor}=="2340", MODE="0664", GROUP="plugdev"

# MTK

SUBSYSTEM=="usb", ATTR{idVendor}=="0e8d", MODE="0664", GROUP="plugdev"

# HP devices

SUBSYSTEM=="usb", ATTR{idVendor}=="03f0", MODE="0664", GROUP="plugdev"

# OPPO devices

SUBSYSTEM=="usb", ATTR{idVendor}=="22d9", MODE="0664", GROUP="plugdev"

# Xiaomi devices

SUBSYSTEM=="usb", ATTR{idVendor}=="2717", MODE="0664", GROUP="plugdev"

# Razer devices

SUBSYSTEM=="usb", ATTR{idVendor}=="1532", MODE="0664", GROUP="plugdev"

# Archos devices

SUBSYSTEM=="usb", ATTR{idVendor}=="0e79", MODE="0664", GROUP="plugdev"