Military Uniforms, Hats, Accoutrements, Camp Gear 

S & S Sutlery
Regimental Quartermaster (authenticity of items offered can vary, use caution) 
C & C Sutlery (authenticity of items offered can vary, use caution) 
Fall Creek Sutlery (authenticity of items offered can vary, use caution)  
Maryland Sutler (authenticity of items offered can vary, use caution) 
Blockade Runner (authenticity of items offered can vary, use caution) 
Carter and Jasper Mercantile 
Sutler of Fort Scott
South Union Mills 
Dirty Billy Hats
Missouri Boot & Shoe

Other Items

Sullivan Press - Paper Items and Books
Historic Eyewear Company - Historic eyewear
Preservation Parcels - Authentic personal items 
Wyatt Enterprises - Authentic personal items 
Samson Historical - Geared toward 18th century but lots of 19th century items 
Townsends - Geared toward 18th century but lots of 19th century items

Civilians (avoid buying women’s clothing from the sutlers listed under uniforms, while these may be good suppliers for military uniforms they are not good for authentic women’s clothing and accessories)

Ensembles of the Past - Custom dress maker 
Ensembles of the Past - Esty page with fabric and notions
Hand Stitches in Time - Custom dress maker
Lavendar's Green - Custom dress maker 
Fashionable Sew-ciety - Custom dress maker 
Past Reflections - patterns, collars
Originals by Kay - Undergarments, collars, corsets, custom work
Red Threaded - Corsets 
Talbott and Co - Accessories
Amazon Dry Goods - Shoes, cage crinolines, undergarments, patterns 
The Sewing Academy - Patterns (many of them are free!)
Truly Victorian - Patterns 
Past Patterns - Patterns 
American Duchess - Historical Shoes 
Fugawee - Historical Shoes
Anna Worden Bauersmith - Bonnets and Hats
Timely Tresses - Bonnets
Blue Bell Bonnets - Custom made bonnets 
Burnley and Trowbridge - Historically accurate fabric (wool, cotton, silk)
Hancocks of Paducah - Cotton prints (quilting store so only select prints are accurate)