Family members of any person employed by the City of Grand Prairie or qualifying SEG group may also be eligible to enjoy the benefits of our credit union. To enjoy the products and services offered by Grand Prairie Credit Union an initial $1.00 membership fee is required in addition to a $5.00 deposit to your Share account. You must keep this $5.00 on deposit to keep your membership open. You must join in person and present proper identification. Please call the Credit Union if you have questions concerning proper identification.