I don't know why I've never seen the only USA made memory in any of your lists, despite its value:
Mushkin Redline Black – DDR4 DRAM – 32GB (2x16GB) UDIMM Memory Kit – 3600MHz (PC4-28800) CL-18 – 288-pin 1.35V Desktop RAM – Non-ECC – Dual-Channel – FrostByte Black Heatsink – (MRC4U360JNNM16GX2)...