Dueck's Mechanical Inc. has been manufacturing portable building structures under the brand name Diamond Shelters since 1989. These Diamond Shelters are in use throughout Canada and the United States. Dueck's Mechanical Inc. is a family owned business located in Whitemouth, Manitoba, Canada. We have been designing, developing and manufacturing fabric covered steel structures since 1989. Our focus is on quality and service while maintaining reasonable prices. This starts with well trained, qualified staff using high quality North American produced steel and fabric. more... See more text