Live: Within 10 miles of our Northwest Community & Spring Community branches In Harris County, Texas In Montgomery County, Texas We are where Better Banking Starts. When you become a member of our credit union, you become part of our credit union family. We know you by name and you aren’t just a number. You see, at Energy Capital Credit Union we truly care about your financial well-being. If you want to bank with someone who’s looking out for your best interests, then you’re exactly where you need to be.