he Malaysian government has defended Tenaga Nasional Bhd (TNB) in Parliament for allegedly not pressing six large companies to settle their overdue billings. Perwaja Steel Sdn Bhd, Amsteel Mill Sdn Bhd, Megasteel Sdn Bhd, Antara Steel Sdn Bhd, Malaysia Steel Works Sdn Bhd and clothing manufacturer Hualon Sdn Bhd owe TNB a total of RM852.893…