The mark consists of the stylized red wording "NORTHWEST MECHANICAL" appearing above the stylized red wording "Committed to Excellence", which in turn appears above the stylized green wording "EST. 1997", all of which appears inside a split, square-shaped shield design containing a white background that is a feature of the mark. The outer portion of the split shield is black, with a concentric smaller green split shield design contained therein. A black and white stylized design of mountains appears above the term "NORTHWEST", and a single black circle appears to the left and right of "NORTHWEST". A horizontal black dotted line separates the term "NORTHWEST" from "MECHANICAL". A second horizontal black dotted line appears directly below the wording "Committed to Excellence", while a black and white hexagonal nut design separates "EST." and "1997". A black horizontal banner appears across the shield design at the split, and contains the stylized white wording "Commercial & Industrial" appearing above the stylized white wording "HEATING AIR CONDITIONING REFRIGERATION". A short white horizontal line appears to the left of "Commercial" and to the right of "Industrial", while a white circle appears before and after the wording "AIR CONDITIONING.