Sauer Land Surveying, Inc. Engineers-Civil & Land SurveyorsSurveyors-Land Sauer Land Surveying, Inc. Visit Website 14033 Illinois Road, Suite C Fort Wayne, IN 46814 (260) 469-3300 (877) 625-1037 (260) 469-3301 (fax) Visit our website for a free estimate Hours: 8:00 AM - 5:00 PM, Monday - Friday About About Sauer Land Surveying, Inc. is a surveying and engineering company located in Fort Wayne, Indiana, serving Allen County and surrounding counties in Northeast Indiana and Northwest Ohio.