THE INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL 99-99A-99C-99O IS A PROGRESSIVE, DIVERSIFIED TRADE UNION THAT REPRESENTS OPERATING ENGINEERS. THE UNION WORKS TO PROMOTE IT'S MEMBERS INTERESTS THROUGH BARGAINING, ORGANIZING AND LEGISLATIVE ADVOCACY. THE UNION ALSO NEGOTIATES FAIR WORKING CONDITIONS, EXCELLENT WAGES AND BENEFITS THROUGH COLLECTIVE ACTION.