About 1 Trademarks found that are owned by Keystone Investigative Services Inc.

The mark consists of a black square that fades to gray, outlined in black with an inner lining of white, standing on its corner and containing a stylized letter "K" in white with green in between the spaces of the "K". To the right of the square is the term "KEYSTONE" in green, underlined by a thin, green horizontal line. Beneath the line is the wording "INVESTIGATIVE SERVICES, INC." in black.