Company lists · Data refreshed October 2026

Top 25 Mailing software suppliers based in the United States

RevenueBase identified 298 company matches for mailing software suppliers associated with the United States as of October 2026 and tracks 3,532 professional contacts across them, including 1,071 with verified work emails. New York is the largest hub.

This list covers company matches for mailing software suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 19, 2026 How this list was built
298Companies
3,532Contacts tracked
1,071Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest mailing software suppliers based in the United States

Ranked by team size
Top 25 of 298 company matches for mailing software suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 2026201-500252 contacts →

Exact match

“Lob automates and personalizes direct mail at any scale, bringing the speed and features you expect from your digital channels to direct mail for the first time.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchLivingston, MT, United StatesHQ recorded Oct 19, 2026201-500187 contacts →

Exact match

“PFL delivers authentic moments through data-driven, automated direct mail.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchMorrisville, NC, United StatesHQ recorded Oct 19, 202651-200144 contacts →

Exact match

“We believe powerful connections propel business growth.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202651-200135 contacts →

Exact match

“In 2005, we started as a web design agency, but we soon discovered email marketing and fell in love with it.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchRochester, NY, United StatesHQ recorded Oct 19, 202651-200131 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchSt. Louis, MO, United StatesHQ recorded Oct 19, 202651-200117 contacts →

Exact match

“Benchmark helps busy marketers move faster and make a bigger impact with email.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchDoylestown, PA, United StatesHQ recorded Oct 19, 202651-20090 contacts →

Exact match

“For over 20 years, AWeber has helped entrepreneurs and small business owners connect with their prospects and customers through powerfully-simple email marketing solutions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202651-20080 contacts →

Exact match

“Flodesk makes simple, intuitive software tools to help entrepreneurs grow their businesses.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchNewark, DE, United StatesHQ recorded Oct 19, 202651-20072 contacts →

Exact match

“Stripo is an online drag-n-drop and HTML email platform.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5072 contacts →

Exact match

“Email for developers”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchEagan, MN, United StatesHQ recorded Oct 19, 202611-5071 contacts →

Exact match

“You don't know marketing unless you know DOPE Marketing.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchSanta Clara, CA, United StatesHQ recorded Oct 19, 202651-20066 contacts →

Exact match

“WE ARE MARRINA One of the most time-consuming yet highly-valuable aspects of the marketer’s role is Email Production.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchCambridge, MA, United StatesHQ recorded Oct 19, 202651-20065 contacts →

Exact match

“At Litmus, we know the importance of continuous innovation.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchSanta Monica, CA, United StatesHQ recorded Oct 19, 202611-5061 contacts →

Exact match

“Nimble is your CRM for smarter email marketing, engagement, and business growth.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5059 contacts →

Exact match

“Mailmodo is a complete email marketing solution enabling users to create and send app-like interactive emails to improve email conversions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchSan Mateo, CA, United StatesHQ recorded Oct 19, 202651-20041 contacts →

Exact match

“iPost is a leading email-sending platform purpose-built to solve real challenges in highly regulated and other data- and content-sensitive industries, including gaming, legal…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchSeattle, NC, United StatesHQ recorded Oct 19, 202651-20038 contacts →

Exact match

“WhatCounts is an email marketing and personalization platform empowering marketers to elevate customer targeting and daily email strategy and execution.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchBoise, ID, United StatesHQ recorded Oct 19, 202651-20034 contacts →

Exact match

“Kit (formerly ConvertKit) helps serious creators like yourself craft epic emails, create powerful automations, and manage their audience all in a simple, intuitive platform.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchCarmel, IN, United StatesHQ recorded Oct 19, 202611-5031 contacts →

Exact match

“Delivra, a Redbrick company, is a sophisticated email platform that designs custom solutions to help marketers and agencies automate highly personalized, event-driven campaigns…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchPalos Hills, IL, United StatesHQ recorded Oct 19, 2026201-50030 contacts →

Exact match

“We specialize in high-volume, complex, “hard to complete projects,” along with in-house comingle capabilities, results in substantial postage savings to our clients.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchCharlotte, NC, United StatesHQ recorded Oct 19, 202611-5025 contacts →

Exact match

“Inbox Monster helps email teams send epic messages to every inbox.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchPinedale, WY, United StatesHQ recorded Oct 19, 202611-5024 contacts →

Exact match

“GlockApps Software is a privately held company that offers multiple email marketing solutions to help businesses reach the inbox and solve email deliverability issues.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5023 contacts →

Exact match

“Empower your team to create, innovate, and grow with the Dyspatch Email Builder.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchPlano, TX, United StatesHQ recorded Oct 19, 202651-20020 contacts →

Exact match

“Anchor Software provides seamless Postal Processing, Data Quality, and Document Design software solutions for the Direct Mail/Marketing, Industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchBrockton, MA, United StatesHQ recorded Oct 19, 202611-5020 contacts →

Exact match

“JLS Mailing Services has over eight decades of experience in the mailing services business.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 298 mailing software suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,071 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Mailing software suppliers based in the United States at a glance

As of Oct 19, 2026
30.3%Verified-email coverage
11.9Average contacts per company
11-50Median size (employees)
5.0%Largest-city concentration · New York
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
128
11-50
122
51-200
33
201-500
10
1,001-5,000
3
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 298 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “mailing software suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,071 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “mailing software suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mailing software suppliers are there based in the United States?

RevenueBase identified 298 company matches for mailing software suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LOB tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most mailing software suppliers?

New York leads with 15 company records, followed by Austin (13) and San Francisco (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,071 professional contacts with verified work emails tracked across these 298 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 298 mailing software suppliers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.