The mark consists of The logo represents the first letters of each word of company's name in a colorful and symbolic way to present various engineering and public works related services to be offered under one roof, represented by two intersecting diagonal lines in the shape of inverted letter V on top of the three letters. In the first letter, T, the horizontal stem of the letter is shown to represent a two-lane, asphalt road, in black, divided by broken yellow lines; and the vertical stem of the letter is shown to represent a sidewalk, in gray, marked by horizontal lines to typify expansion joints. In the second letter, M, the first vertical line of the letter is shown in the shape of a pipe, in blue, to represent potable or drinking water; the middle part of the letter is shown as V-shaped pipe, in gray, to represent wastewater; and the second vertical line of the letter is shown in the shape of pipe, in purple, to represent reclaimed or recycles water. The last letter, S, in green, represents green concepts and green environment The inverted V on top of letters TMS, spanning over half of letter T, full over M, and half over S, in copper color, represents roof, under which all engineering and public works related services are offered as one-stop shop. The inverted V on top of letters TMS, spanning over half of letter T, full over M, and half over S, in copper color, represents roof, under which all engineering and public works related services are offered as one-stop shop.