We are experienced in
all things mailing

Cornerstone Services, Inc. Logo

About Cornerstone Services, Inc.
Check out our LinkedIn profile for additional information

Founded in 1998, Cornerstone provides total mailing, data management, and design services for a variety of clients – from small non-profit associations to international corporations. We make exceptional use of prevailing software and hardware technologies, leveraged by the efforts of our dedicated staff, to provide our clients with the biggest postage discounts and aggressive job turn-around times. Our goal is to minimize the “hassle” of a mailing campaign while providing the best possible service at reasonable costs.
Sean Griffin, President and CEO of CRST

About Sean Griffin
President and CEO
View Sean’s LinkedIn profile

Sean Griffin, a graduate of philosophy from Union College in New York, founded Cornerstone Services Inc. in 1998. He previously worked for Goldman Sachs in Human Resources and KUBRA as a Senior Account Executive. He felt it was time to apply his knowledge of business and direct mail to a company he is passionate about. Since Cornerstone Services Inc. opened its doors, Sean has continued to expand his knowledge in direct mail by receiving USPS® Mail Design Professional and MSMA™ (Mail Systems Management Association) Certifications. He is dedicated to making sure that not only a mail campaign is delivered on time, but with care as well and has been doing so for almost 20 years.

What we offer...

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CRST Data Service

We process all data files with extreme detail and fix any errors we encounter. After each mailing you will be provided with a Data Quality Report showing all changes made.

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CRST Graphic Design Service
Graphic Design

Our USPS Mail Design Professionals can help with branding, marketing and creating direct mail pieces. We are highly experienced in postal regulations and design practices.

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CRST Print Service

Choose from a variety of paper stock, sizes and finishing options to make your next mailing project stand out. We offer full color, high quality on-demand printing.

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CRST Mail Service
Traditional Mail

Let us take care of your mailing needs, whether it’s a traditional mail letter to raise funds or a USPS EDDM® saturation mailing to a specific ZIP code, we can handle it.

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Want to get in touch

31 S Ohioville Rd.
New Paltz, NY, 12561
Monday - Friday 9am - 5pm
(845) 255-5722