# 3121 Coalmine LLC

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: 3121 Coalmine LLC
- Entity type: LLC
- Original incorporation date: December 10, 2014
- Time in business: 11 years and 10 months
- Jurisdiction count: 2

## All known addresses

- 1124 PO Box, Big Timber, MT 59011 (listed in Montana)

## Registered states

- [Colorado](https://index.baselayer.com/co/5a7f73f3b40b2cd1): Domestic registration
- [Montana](https://index.baselayer.com/mt/980832a8a2b24eb8): Foreign registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/5a7f73f3b40b2cd1)