This was the first one I looked for as well, NFCU is (per Wikipedia) the largest CU in terms of size and membership in the US - but wasn't included. I think you should add a "how I chose these Credit Unions" on your overview, as missing NFCU immediately made me wonder what others were missed; RBFCU - largest in TX and 10th largest in US - is missing as well. So I'm left to wonder how 2 of the largest CUs in the country were just... missed.