The color(s) green and gray is/are claimed as a feature of the mark.
"COMMERCIAL CLEANING SYSTEMS"
The mark consists of three interlocking capital letter "M's", with the left and right "M" in gray and the middle "M" in dark green, with two dark green dots above the dark green "M", and the word "MULTICORP" in capital dark green letters under the logo image and the words "commercial cleaning systems" in lighter green lower case letters at the bottom of the mark.
MMM MULTI CORP COMMERCIAL CLEANING SYSTEMS; MMM MULTIPLE CORPORATION COMMERCIAL CLEANING SYSTEMS