Universal has some Sram chains, as well as that PYC option.
Sram PC-XX1 Eagle Chain
Sram PC-XX1 Eagle Chain :: Available in Colors :: From $87.00 :: Sram 12 Speed Chains
Sram PC-GX Eagle Chain
Sram PC-GX Eagle Chain :: From $36.00 :: Sram 12 Speed Chains
SRAM GX Eagle 12-Speed Chain 126 Links With PowerLock Masterlink Silver/Gray 12spd
Shop & learn - SRAM GX Eagle Chain in the Chains Collection - Chain Connection Type: Single Use Master Link, Color: Silver/Gray, Part Number: 00.2518.030.011, Defined Color: Silver, The chain is the heart of the Eagle 1x12 drive train, ensuring quiet operation, long life and precise shifting...