Could be:

T. W. Todd
Enlisted as a Captain
MO Perkin's Battn Infantry

…

John L. Merrick
Enlisted on 7/9/1863 as a Captain.
On 7/9/1863 he was commissioned into "I" Co. MO 7th Cavalry

….

John J. Sitton
Enlisted on 7/1/1864 as a Captain.
On 7/1/1864 he was commissioned into "G" Co. MO Fristoe's Cavalry

….

James M. Withers
Enlisted as a Captain
"I" Co. MO 2nd Bn St Guard Infantry

Sources used by Historical Data Systems, Inc.:
- Index to Compiled Confederate Military Service Records