The mark consists of an architect's compass formed from a circle, a vertical line extending vertically from the top of the circle, two diagonal lines extending down from the bottom of the circle, and a horizontal line perpendicular to the vertical line and intersecting the diagonal lines. The architect's compass is superimposed over a directional compass comprised of two concentric circles, the letters "N" and "S", and a shaded diamond, wherein the letter "N" is inside the circle of the architect's compass, the shaded diamond is between the diagonal lines of the architect's compass, and the letter "S" is directly below the shaded diamond and overlaps the inner concentric circle of the directional compass.