African American Research Clarance Hartfield-President/CEO (432) 264-0406 P.O. Box 614, Big Spring, TX To all the brave essential workers who are on the front lines everyday... Thank You! 302549 African American Research Clarance Hartfield-President/CEO (432) 264-0406 P.O. Box 614, Big Spring, TX To all the brave essential workers who are on the front lines everyday... Thank You! 302549