The mark consists of the literal elements "GAMMA" and "MACHINERY", where the literal element "GAMMA" is in uppercase, black letters, and the literal element "MACHINERY" is in uppercase, white letters, where the literal elements are located within a rectangular box having a black border, a top portion filled with white and a bottom portion filled with black, where the literal element "GAMMA" is located and centered in the top portion of the rectangular box and the literal element "MACHINERY" located and centered in the bottom portion of the rectangular box, such that the literal element "GAMMA" is located directly above the literal element "MACHINERY. A black filled circle having a right circle portion and a left circle portion which are separated by a light reverse "S" shape line, where line is thicker in the middle portion of the line and thinner in the top and bottom portions of the line, where the right circle portion and the left circle portion are offset relative to each other such that the right circle portion is higher than the left circle portion and such that top portions of the right circle portion and the left circle portion touch each other and bottom portions of the right circle portion and the left circle portion touch each other. The mark further includes a white, stylized, uppercase letter "G" located and centered in the top portion of the left circle portion and a white, stylized, uppercase letter "M" located and centered in the bottom portion of the right circle portion. Additionally, the left circle portion and the right circle include portions having graduated from black to white.