About 2 Trademarks found that are owned by NatIonal Association Of Stationary Operating Engineers Inc.

Licensing of engineers

The mark consists of a circular shape with a flame existing on left-side (viewers perspective) and steam buffing out on right-side. There are circular curved lines around periphery. A snow flake is at the center of the hollow circular shape with a lightning bolt under-laying all above from upper-left striking to lower-right.