Open Letter Marketing Employee Directory

Marketing ServicesMassachusetts, United States11-50 Employees

Open Letter Marketing provides direct mail services at scale, emphasizing speed, reliability, and consistency. From campaign setup to in-house production and delivery, the company manages the end-to-end process to enable clients to send and repeat mailings efficiently. It offers a direct mail API alongside a hands-on service model, supporting both automated workflows and fully managed campaigns.
Based in Lawrence, Massachusetts, the company serves a diverse set of businesses that rely on direct mail as part of their outreach. It is owned and operated by Justin Silverio, a real estate investor, and operates with a small-to-mid-sized team. A 2022 partnership with Invelo, Inc. positioned Open Letter Marketing as a direct mail vendor for that company.

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