The following three work well.
Please open a MT4 ECN account from any of the below links.
- OPEN A NEW LIVE MT4 ACCOUNT at Pacific Financial Derivatives
- OPEN A NEW ECN LIVE MT4 ACCOUNT at Vantage Markets
- OPEN A NEW ECN LIVE MT4 ACCOUNT at Roboforex
Out of this only the first broker Pacific Financial Derivative offers FIX 4.4 along with MT4 so its the first choice. But the other two will do well if you are looking for MT4.