442nd Siege Battalion "War hammers"

422nd siege battalion was a battalion that specialized in static warfare. Their first engagement was under the republic during the clone war. And they continued with republic's succeser state.

332th heavy artillery battery

 * 3324th heavy siege line
 * 2365th heavy siege line
 * 12th anti-tank towed artillery line
 * 621th perimeter patrol platoon

333th heavy artillery battery

 * 7419th heavy siege line
 * 6534th heavy siege line
 * 135682th anti-tank towed artillery line
 * 353th perimeter patrol platoon

202nd heavy weapons company

 * 226th light artillery line
 * 365th infantry platoon
 * 443th heavy weapons platoon
 * 348th pioneer platoon

132th pioneer company

 * 276th engineering platoon
 * 846th pioneer platoon
 * 568th infantry platoon
 * 232th Scout platoon

Battalion headquarter

 * 7th security platoon
 * 47th Logistic platoon
 * 457th medical platoon
 * 505th technical platoon