| Direct Marketing Association |
| The DMA gives its members the tools and services to do their jobs better. Whether it is customized information, access to cutting edge research, legislative representation or education, the DMA is dedicated to helping members increase effectiveness. |
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| Greater Seattle Postal Customer Council |
| The GSPCC is part of a national Postal Customer Council for direct marketers and the USPS in which information on updates, regulations, and procedures are exchanged. |
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| Mail-Shop Software |
| Mail-Shop is a leading direct mail system for direct mail estimating, work orders, scheduling, inventory, and fulfillment. |
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| MFSA |
| Mailing and Fulfillment Services Association |
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| Seattle Direct Marketing Association |
| SDMA is a forum for Seattle-based direct marketers providing educational programs and networking opportunities. |
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| United States Postal Service |
| This is the official site for the United States Postal Service. |
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