42.0723325,-87.8026032,Donnelly & Associates, Inc.41.8682921,-88.0371432,KONE Inc.41.8771442,-87.6426831,Lerch Bates Consulting41.8934785,-87.7429072,Mid-American Elevator Co., Inc.41.8829419,-87.6290322,Nouveau Illinois41.8827771,-87.6444716,Otis Elevator Company41.8802848,-87.6376497,Schindler Elevator Corporation41.8933529,-87.6576668,The Elevator Consultants41.8796561,-87.6510984,TK Elevator41.9942003,-87.9541282,Vantage Elevation41.8026236,-88.1373822,VDA Elevator Consulting