Publishers of historical non-fiction on the Civil War and the Old West, and contemporary fiction.
| Website | http://www.proofmark.com |
| Revenue | $1 million |
| Employees | View employees |
| Address | PO Box 200334, Austin, Texas 78720, US |
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Proofmark Questions
The Proofmark annual revenue was $1 million in 2026.
Proofmark is based in Austin, Texas.
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