Company lists · Data refreshed September 2026

Top 25 Nonprofit email marketing agencies based in the United States

RevenueBase identified 974 company matches for nonprofit email marketing agencies associated with the United States as of September 2026 and tracks 7,185 professional contacts across them, including 2,643 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit email marketing agencies 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 September 29, 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 Sep 29, 2026 How this list was built
974Companies
7,185Contacts tracked
2,643Verified emails
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The 25 largest nonprofit email marketing agencies based in the United States

Ranked by team size
Top 25 of 974 company matches for nonprofit email marketing agencies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchPlano, TX, United StatesHQ recorded Sep 29, 2026201-500492 contacts →

Exact match

“RKD Group is the trusted growth architect for nonprofits.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchCherry Hill, NJ, United StatesHQ recorded Sep 29, 20261,001-5,000342 contacts →

Exact match

“Our motto says it all: We Help People Who Help People.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchWarrendale, PA, United StatesHQ recorded Sep 29, 2026201-500280 contacts →

Exact match

“TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchGainesville, FL, United StatesHQ recorded Sep 29, 202651-200143 contacts →

Exact match

“Feathr is the marketing and communications platform purpose-built for associations, nonprofits, and arts and culture organizations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchFargo, ND, United StatesHQ recorded Sep 29, 202651-200137 contacts →

Exact match

“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMorrisville, NC, United StatesHQ recorded Sep 29, 202651-200137 contacts →

Exact match

“We believe powerful connections propel business growth.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Sep 29, 202651-200115 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBerkeley, CA, United StatesHQ recorded Sep 29, 202651-200112 contacts →

Exact match

“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchWest Des Moines, IA, United StatesHQ recorded Sep 29, 202651-200109 contacts →

Exact match

“In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchMonrovia, CA, United StatesHQ recorded Sep 29, 202651-20095 contacts →

Exact match

“OUR AGENCY: BDI is a full-service, omni-channel, marketing and fundraising agency for nonprofits.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchDoylestown, PA, United StatesHQ recorded Sep 29, 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 · Sep 29, 2026 · View company records in RevenueBase
12Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202651-20083 contacts →

Exact match

“At MarkeTeam, we’ve spent the past 30 years doing good work that does good.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchCoral Springs, FL, United StatesHQ recorded Sep 29, 202651-20079 contacts →

Exact match

“Site Impact is your trusted, turnkey partner that empowers agencies with one of the country's largest, data-driven, multichannel marketing solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 202651-20071 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 · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20070 contacts →

Exact match

“Media Cause is a mission-driven marketing and creative agency that helps nonprofits grow and accelerate their impact.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchArmonk, NY, United StatesHQ recorded Sep 29, 202651-20065 contacts →

Exact match

“Lake Group Media, Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchTucson, AZ, United StatesHQ recorded Sep 29, 202651-20056 contacts →

Exact match

“Streetlight Digital is a full-spectrum nonprofit fundraising and marketing partner.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchWilloughby, OH, United StatesHQ recorded Sep 29, 202651-20056 contacts →

Exact match

“For more than 30 years, MCR has helped education, healthcare and nonprofit partners reach their fundraising potential.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“Premier Email & SMS Retention Partners for Ecommerce Brands We handle everything that has to do with email.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchNaperville, IL, United StatesHQ recorded Sep 29, 202651-20050 contacts →

Exact match

“Results, it’s more than an ad campaign, it’s part of the core values which guide our work.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“Determined to help nonprofit organizations improve the world, a woman named Sanky Perlowin opened up a direct mail fundraising shop in 1977 and called it Sanky Communications.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchGrapevine, TX, United StatesHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“InboxArmy is an elite, full-service email marketing agency offering the full spectrum of email marketing services, including- Full-Service Campaign Management - Email Template…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202651-20047 contacts →

Exact match

“The Lukens Company (TLC) is an award-winning full-service marketing agency that provides expert direct response, donor development, and fundraising services to nonprofits…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchLexington, MA, United StatesHQ recorded Sep 29, 202611-5045 contacts →

Exact match

“NNE Marketing is a full service multichannel direct marketing fundraising agency, dedicated 100% to non-profits.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5044 contacts →

Exact match

“Faircom New York, awarded as the Best Full Service Fundraising Agency in New York in 2015 and 2016 by Wealth and Finance International, is an international fundraising and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 974 nonprofit email marketing agencies based in the United States

See the full list, filter by size, metro and specialty, and access 2,643 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit email marketing agencies based in the United States at a glance

As of Sep 29, 2026
36.8%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
693
11-50
208
51-200
55
201-500
11
501-1,000
3
1,001-5,000
3

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 974 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 “nonprofit email marketing agencies” 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 2,643 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 September 29, 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 “nonprofit email marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit email marketing agencies are there based in the United States?

RevenueBase identified 974 company matches for nonprofit email marketing agencies associated with the United States as of September 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?

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

Which city has the most nonprofit email marketing agencies?

New York leads with 55 company records, followed by Chicago (26) and Los Angeles (23).

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 2,643 professional contacts with verified work emails tracked across these 974 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 September 29, 2026.

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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.