The Stream

Through The StreamSM, our proprietary ecosystem of StreamLogicSM Methodology, DocuWeaveSM Intelligent Platform, and IntelliPrintSM Advanced Print Technologies, we provide customers with unmatched speed, accuracy, reliability, complete visibility, and total control over their business-critical mail communications.
Every document flows through a unified system built on Six Sigma principles and decades of production expertise, ensuring flawless execution from upload to mailstream. Where others rely on batch processing and manual workarounds, LetterStream® automates every step — empowering you to monitor, pause, or release mailings with precision, all from your desktop. For organizations that can’t afford delays, errors, or uncertainty, LetterStream® is more than a vendor — it’s your trusted infrastructure for mission-critical performance.
Gone are the days of licking stamps, jammed meters, managing supplies, or hauling boxes to the Post Office. With StreamLogicSM, you’re in control—without the hassle. No more filling out green Certified Mail cards or wrestling with office printers. Instead, you experience a modern, technology-backed environment designed to make mail preparation more intuitive. Your free account gives you access to all your mailing history—without minimums or long-term commitments.
StreamLogicSM is our proprietary framework—created by integrating advanced technology, intelligent automation, and decades of operational experience. It reflects a new way of thinking about mail: one that removes complexity and brings peace of mind to every send.
SIX SIGMA: LetterStream’s StreamLogicSM methodology plays a central role in our success as a Six Sigma production facility — achieving a 99.999% accuracy rate that reflects elite operational performance and process control. With over 11 million jobs successfully produced, StreamLogicSM helps us consistently meet the highest standards of quality, speed, and reliability. That level of precision speaks to the care and discipline we bring to every job. When you choose LetterStream®, you can count on our proven ability to manage your critical printing and mailing needs with unmatched accuracy and reliability.
StreamLogicSM incorporates Six Sigma tenets: Customer focused, data-driven decision making, process improvement & control, proactive problem prevention, cross-functional collaboration, striving for perfectionWhen we say “upload your document and we’ll take care of the rest,” we mean it. At LetterStream, we’ve combined decades of mail production experience with leading software expertise to create a solution that’s entirely our own. Our StreamLogicSM approach blends smart systems and human oversight to bring you a new level of control (by you) and trust in your mailing process. Whether you’re sending a single letter or thousands, StreamLogicSM suggests a more advanced way forward—built around speed, precision, and peace of mind. And, best of all… No more supply management, outdated postal meters, issues with vendors, or Post Office visits!
Makes Mailings A Breeze!
The Meaning Behind “Letter”
A letter is the final word in trust. When something must be acknowledged, confirmed, or enforced, a letter carries the weight of obligation. Courts recognize it. Regulators require it. Customers expect it. In an age where digital can be deleted, ignored, or lost in noise, a letter is proof—timestamped, trackable, and permanent. It reaches mailboxes with legal standing and operational certainty. At LetterStream®, we specialize in business-critical mail—communications that matter, and can’t be missed. The “Letter” in LetterStream® stands for more than paper—it stands for accountability, compliance, and the assurance that your message will be handled with precision and urgency, every single time.
The Meaning Behind “Stream”
A stream is powerful because it never breaks—it flows with intention. It adapts without losing direction, it accelerates without losing control. That’s how we built our business. The “Stream” in LetterStream® represents more than movement—it symbolizes our proprietary operating system: a dynamic, intelligent, and unified approach to production. At its core is StreamLogicSM, our structured intelligence that orchestrates every action, from job intake to production strategy to handoff. It’s not just automation—it’s experience-encoded logic backed by decades of real-world mailing, regulatory insight, and operational expertise. Supporting it is IntelliPrintSM printing, our guiding principle of disciplined execution. It’s the invisible signature behind every perfect envelope—our internal standard of excellence for precision, integrity, and performance. Together, they form The StreamSM—our uniquely LetterStream way of transforming digital input into flawless, physical output, with zero compromise.
The LetterStream Difference
What sets LetterStream® apart from every other provider in the print-and-mail industry is the depth of intelligence, precision, and purpose behind every piece of mail we produce. While others offer mailing as a commodity, we treat it as a mission-critical function—where timing, accuracy, compliance, and visibility are non-negotiable. Our proprietary philosophy, known as The StreamSM, combines StreamLogicSM — a structured, experience-driven intelligence engine—with IntelliPrintSM printing—our internal standard of excellence—to create a level of control and consistency that goes far beyond Lean Manufacturing and Six Sigma alone. We’ve embedded decades of mailing expertise, postal compliance, client-specific logic, and real-time oversight into every layer of our platform and production process. No minimums, no batching, no delays—just flawless execution at any scale. For organizations that can’t afford errors, downtime, or uncertainty, LetterStream® isn’t just a vendor—it’s the infrastructure behind their most trusted communications.
StreamLogicSM Methodology
DocuWeaveSM Intelligent Platform
IntelliPrintSM Advanced Print Technology