From Eureka report "There are six significant local companies...

From Eureka report

"There are six significant local companies that can be classified as pure coal producers, a choice that eliminates the contaminating effect of others with diversified interests such BHP Billiton and Rio Tinto."

The six are:

Company ASX Mkt cap

New Hope NHC $3.7 b
Whitehaven WHC $2.1 b
Macarthur Coal MCC $2.3 b
Centennial Coal CEY $1.2 b
Riversdale RIV $1.2 b
Gloucester GCL $520 m "

And now there are only 5!!