# 211 Corporation

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

- Legal business name: 211 Corporation
- Alternative and DBA names: 211; S. S. White Company; The S.S. White Dental Manufacturing Company; White -S S- Company
- Entity type: C corporation
- Original incorporation date: June 28, 1881
- Time in business: 145 years and 3 months
- Jurisdiction count: 8

## All known addresses

- 211 S 12th St # 0, Philadelphia, PA 19107 (listed in Pennsylvania)
- 17 W 6th Ave, Helena, MT 59601 (listed in Montana)
- 211 S 12th St, Philadelphia, PA 19107 (listed in West Virginia)

## Registered states

- [Alabama](https://index.baselayer.com/al/917fd61d303b78b1): Foreign registration
- [District of Columbia](https://index.baselayer.com/dc/d2fb58a393108231): Foreign registration
- [Florida](https://index.baselayer.com/fl/fe9c4b8a7f12e85f): Foreign registration
- [Montana](https://index.baselayer.com/mt/72bfb4200124a0f7): Foreign registration
- [Ohio](https://index.baselayer.com/oh/dca28823827b08cd): Foreign registration
- [Oklahoma](https://index.baselayer.com/ok/b95d22dbc2114bb4): Foreign registration
- [Pennsylvania](https://index.baselayer.com/pa/7748286a93ac599e): Domestic registration
- [West Virginia](https://index.baselayer.com/wv/6ce33db0ca74fb2f): Foreign registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/7748286a93ac599e)