AimBank, based in Levelland, maintains 16 full-service banks in the Panhandle, South Plains, Permian Basin and Big Country regions of Texas. There are branches in Odessa and Midland.he security and privacy of your information is important to us. When communicating with us via the Contact Form, please do not send any information that is considered confidential or sensitive in nature. Examples of such information include account numbers and social security numbers.