Ryba Marine Construction
Sector: Dredging
Region / State: Cheboygan, MI; Great Lakes
Dredges, crane barges, work barges
Union affiliation: SIU
Great Lakes marine construction, dredging, and ice-breaking
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Also listed under: Dredging Companies, Barge Companies
Other Dredging companies: Scarborough Marine Group, Shoreline Contractors, Simpson & Brown, Southern Dredging & Marine, Southern Maryland Dredging, The King Company
Other companies in Michigan: Shepler's Mackinac Island Ferry, Star Line Mackinac Island Ferry, The King Company, VanEnkevort Tug & Barge, Warner Petroleum Corporation, Arnold Transit Company