GMI Composites GMI Composites
GMI Composites, Inc. 1355 W.Sherman Blvd. Musk. MI 49441
877-755-1611
  sales@gmicomposites.com
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Manhole
Composite Springs
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Manhole Covers
At GMI Composites, Inc. we have been producing composite manhole covers since 1995. Since that time we have offered our customers wide ranges of physical performances. We produce covers from pedestrian rated, requiring loads of only 4,000 pounds; up to covers that meet 100,000 pounds. These covers come in a wide variety of shapes and colors. If you have a project that you would like to discuss with us please contact our sales team.