Conflict Minerals Communication
| Section | Title | Date |
| Letter | Conflict Minerals Communication | 10/18/2017 |
| Training | How to Add Your Conflict Minerals Contact Info to OSN | 07/11/2013 |
| Letter | Contact Info Request - OSN Suppliers | 07/25/2013 |
| Letter | Contact Info Request - Non-OSN Suppliers | 07/25/2013 |
| Letter | Data Collection Request | 12/05/2013 |
Other Communications
| Section | Title | Date |
| Letter | Supplier Communications Guidelines | 07/19/2011 |
| Letter | Affirmative Action by Federal Contractors and Subcontractors | 03/25/2015 |