We serve Nebraska, Missouri, and Iowa areas throughout Elkhorn, Bellevue, Council Bluffs, Fremont, Hastings, Grand Island, Gretna, Des Moines, Sioux City, Storm Lake, Lincoln, Columbus, Oakland, and many more local communities nearby. Compensation: $75,000.00 - $100,000.00 per year Radon Defense Midwest and Duct Defense Midwest are your trusted contractor for all things concerning indoor air quality in Nebraska and Iowa.