In addition to the powers herein specifically granted, the commission shall have such implied or incidental powers as may be necessary and proper, effectually to carry out, perform and execute all the powers so granted. The commission shall have the power to require public utilities whose operations are purely local in extent and use to file in the office of the commission a list of their stockholders, officers and directors, with the residence and post office address of, and the amount of stock held by each.
W.S. 37-2-127