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Brown is headquartered in Davenport, Iowa. Operations are also maintained in the Chicago, Minneapolis, Omaha and St. Louis areas. We continue to expand our offerings of products and services to meet the demands of the industry. From pedestrian pushbuttons to Advanced Transportation Management Systems, Brown has the knowledge and experience to ensure a leading edge solution.

We look for anything that is metal. We have found Diamond Rings-Gold and Silver jewelry-Property pins-Culverts-water shut offs-Man hole covers-bulletts-Caches. We have land and underwater Metal detectors. We sell New and used Whites and Garrett metal detectors-we sell used Fisher & Tesoro We do coaching and consulting in the treasure hunting field. Helping people get the success they want. Why not get your questions answered concerning what metal detector would be the best for you. Where to find Gold and Silver other teasures. where to sell?-what is my treasure worth? Call me 712-549-2410 find out the secret to success. If you need help finding a cache we can help. Don't leave it in the ground. Call for more information-lets find those treasures that are out there.

Heartland Fire & Security is a full-service, locally owned company in Davenport, Iowa that specializes in electronic fire and security protection. Our services include fire alarms, fire suppression systems, security systems, CCTV systems, access control systems, cloud controlled Wi-Fi, and many other types of protection, communications, and safety equipment.