Ron,
Mississippi units at Port Hudson.
(Source: Hewett, Lawrence L., Port Hudson, Confederate Bastion on the Mississippi)
March 14, 1863
MAXEY'S BRIGADE

Roberts' (Seven Stars) Mississippi Battery
GREGG'S BRIGADE

Hoskins' (Brookhaven) Mississippi Battery
BEALL'S BRIGADE

1st Mississippi, 39th Mississippi, Battery B (Herods's), 1st Mississippi Light Artillery, Battery F (Bradford's), 1st Mississippi Light Artillery, Battery K (Abbay's), 1st Mississippi Light Artillery

RUST'S BRIGADE

6th Mississippi, 15th Mississippi, Hudson's Mississippi Battery

PROVOST GUARD

English's Mississippi Battery (without guns), Claibourne Mississippi Infantry Company

CAVALRY

Garland's Mississippi Battalion, Norman's Mississippi Company, Rhode's Mississippi Company, Stockdale's Mississippi Company, Terrell's Mississippi Company, Wilbourn's Mississippi Company

Will keep looking somemore later on.

Virgil