Here are some companies that represent a number of barge operators in France, with examples of vessels.
The halt in shipping comes at a most difficult moment for the barge operators.
CSX also operates the nation's third-largest rail system and is the nation's largest barge operator.
Elsewhere along the river, the ice compounded navigation problems posed by low water, which has plagued barge operators, because of drought last summer.
The only factor working in favor of barge operators was that this is the slowest time of year for shipping on the Mississippi.
At first the railroad, the storage company and the barge operators were blamed for storing the munitions unsafely.
This solved the problem of potential toll reductions which the barge operators were requesting.
He described how life on the Mississippi is bumpy at best for barge operators.
A barge operator helps a schoolteacher tackle a gang of criminals.
Sometimes, the barge operators lose their nerve on the way, stopping to lighten their load or to call for a local pilot.