181855
Midland Scientific serves the industrial , educational , ethanol , and research markets focusing its sales force in the Midwestern region of Nebraska , Iowa , Minnesota , Dakotas , Illinois , Wisconsin , Kansas and Missouri .
 Nebraska, Iowa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nebraska, Iowa