# Wallboard Supply Company

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

- Legal business name: Wallboard Supply Company
- Alternative and DBA names: Agincourt Wallboard LLC
- Entity type: C corporation
- Original incorporation date: January 11, 1971
- Time in business: 55 years and 9 months
- Jurisdiction count: 3

## All known addresses

- 100 W 10th St, Wilmington, DE 19801 (listed in Louisiana)
- 75 York St Ste 2, Portland, ME 04101 (listed in Maine)

## Registered states

- [Delaware](https://index.baselayer.com/de/64a5f349971a48e7)
- [Louisiana](https://index.baselayer.com/la/762d74174ab164fb): Foreign registration
- [Maine](https://index.baselayer.com/me/6fb44efbb3c97bf9): Foreign registration, as Agincourt Wallboard LLC

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/64a5f349971a48e7)