The 528th Engineer Battalion is headquartered in Monroe, LA in Ouachita Parish with the remaining companies and detachments located in Franklin, Caldwell, Union, Morehouse, West Carroll and Richland Parishes.

The battalion provides command and control to plan integrate, and direct execution of three to five assigned engineer companies and one forward support company (FSC) to provide mobility in support application or focused logistics.

Records in the Louisiana National Guard archives list this area's National Guard: as the Ouachita Company of Infantry in 1786, (That was the same year Don Juan Filhiol was commissioned by Governor Miro to establish a post here in Monroe, Louisiana, which was later named Fort Miro).

Provides command and control to plan, integrate, and direct execution of three to five assigned engineer companies and one forward support company (FSC) to provide mobility in support application or focused logistics

To provide direct and habitual combat sustainment support to the engineer battalion in the engineer brigade 830th To plan, conduct, prepare, and provide construction support equipment and personnel for concrete mixing/pouring as part of major horizontal and vertical construction projects such as highways, storage facilities, airfields and base camp construction 832nd To plan conduct, prepare and provide construction support equipment and personnel for bituminous mixing, paving and major horizontal construction projects such as highways, storage facilities and airfields 921st To provide command and control of engineer effects platoon that are necessary to conduct missions such as repair, maintain, construct air/ground lines of communication (LOC), emplace culverts, hauling force protection and limited clearing operations 1023rd To provide command and control of three to five vertical engineer platoons that provide specific engineering support to logic region (LR) 1-4.