Mid-America Manufacturing

Box Culvert Molds

Shaped Molds

Roller Heads

Fiberglass Rings

Wire Roller

Wire Bender

3EB Tester / D-Load Tester

Feeder Systems


Inside Rounding Rings Most Sizes in STOCK!
Inside Tongue Rings
Outside Trueing Rings
Outside Rounding Rings
Odd-shapes can be made to your specifications.

Mid-America Manufacturing Corporation makes these strong and light weight fiberglass rings with acid resistant resinand chopped glass fiber. They are made with precision machined molds to assure proper shape and size. With a set of MAMCO fiberglass shaping rings you can stay in production all day long and make sure that both the inside and outside dimensions of your pipe ends remain true during the initial cure.Nothing enhances the reputation of apipe supplier with his customer better than the reliability of his product, and that includes the dimensions at the joints.


Contact Mid-America Manufacturing Corporation