| Associations and Organizations | ||
| Direct Marketing Association | Mailing Fulfillment Service Association | Association of Fundraising Professionals |
Magazine Publications |
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| 1to1 media | Advertising Age | ADWEEK |
| Direct | DMNews | Inside Direct Mail |
| Target Marketing | The Wall Street Journal | |
United States Postal Service |
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| RIBBS | Direct Mail Resources | Household Diaries |
| Manuals & Quick Service Guides | DM PB Survey | The Transpromotional Revolution |