All of the orders received so far have been from gas distributors in the United States, Europe and Japan.
Only four major pipelines now bring gas into the region, limiting the ability of local gas distributors to bargain for price.
If approved, the merger will create one of the nation's largest natural gas distributors.
Many gas distributors were odorizing gas prior to this event.
The screen listed seven gas distributors and one utility, hardly a diversified portfolio.
Emfesz is a natural gas distributor in Hungary.
Ruhrgas, Germany's biggest gas distributor, said it would step in with supplies for any utilities that needed them.
As with other gas distributors, the higher estimate was primarily attributed to the cold winter.
Some industry experts have reservations about gas distributors as investments.
Atmos Energy is also the largest natural gas distributor in Louisiana and Mississippi.