The mark consists of the letters "ITAC" in a red stylized and capitalized font, with the crossbar of the "A" being a black curved partial crescent that begins on the bottom of the left leg of the "A" and sweeps up and across the center of the "A", the crescent thinning to a point to the outside right of the "A". The "I" in "ITAC" rests in the upper right of a group of five wedge shapes arranged in a circular formation, the wedge shapes having a solid black outline and a white interior, the "I" placed in the position that a sixth wedge shape would occupy in the circular formation. The letters "TAC" are underlined with a solid black line, with the words "Engineers & Constructors" in black font located below the underline.