Last year, the state cited Donaldson Enterprises for unsafe work conditions and levied a $415,000 fine. The company has appealed.
A second federal investigation into the cause of the blast is still underway.
"The family and friends have truly suffered the loss of Justin, and the other four people. They really were just doing their job, and they paid the price," Hisaka said.
Two of the victims, Robert Freeman and Neil Sprankle, are being represented by the law firm of Devins and Meheula.
Cronin, Fried and Sekiya are representing Bryan Cabalce.
The family of Robert Leahey has hired the Maui law firm of Takatani and Agaran.
Ralph O’Neil, who represents VME Corporation, said while the company acknowledges the blast resulted in a terrible loss of life, he said the company will vigorously fight the claims.