The mark consists of an emblem in the overall shape of a circle, having an outer circular border containing, in the upper arc of the circular border, the words FIRE, VAPOR, AND CONTAMINATION in all capital letters and containing, in the lower arc of the circular border, the words CONTROL SOLUTIONS in all capital letters, further having an inner smaller circle containing the words HAZARD CONTROL TECHNOLOGIES, INC. within the lower arc of the smaller circle, the center of the emblem containing a stylized triangle encircled by a stylized, slanted ring about the triangle, the triangle further having a stylized rendering of the letters HTC proximate and parallel to the left side of the triangle.