The mark consists of the letters "A" and "H" and having design elements incorporated therein, the design elements consisting of the letter "A" and the letter "H" appearing uppercase and vertically overlapping one another; the letter "A" comprising a triangle positioned above and spaced from a lower portion of the letter "A"; the letter "H" forming the lower portion of the letter "A" and including arms that are angled toward each other extending upwardly and legs that are angled away from each other extending downwardly; a first circle surrounding the letters "A" and "H" and being continuous with the downwardly extending legs of the "H"; and a second circle surrounding and being concentric with the first circle.