Company lists · Data refreshed September 2026
Top 25 Nonprofit fundraising call centers based in the United States
RevenueBase identified 155 company matches for nonprofit fundraising call centers associated with the United States as of September 2026 and tracks 4,404 professional contacts across them, including 1,281 with verified work emails. New York is the largest hub.
This list covers company matches for nonprofit fundraising call centers 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.
The 25 largest nonprofit fundraising call centers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,262 contacts → | ||||
Exact match “CDS Global is the only provider that manages every customer and donor touchpoint-online and offline-across the entire journey.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 492 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 | |||||
| 3 | 342 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 | |||||
| 4 | 266 contacts → | ||||
Exact match “MDS provides a complete array of telephone fundraising services for non-profit and political organizations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 157 contacts → | ||||
Exact match “We are a face-to-face fundraising agency, connecting donors and the causes they are passionate about.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 99 contacts → | ||||
Exact match “At Wilson-Bennett Technology, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 84 contacts → | ||||
Exact match “We are Donor Development Strategies (DDS), a national field-organizing firm that specializes in raising money and signing up members for high-profile non-profits through…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 74 contacts → | ||||
Exact match “Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 62 contacts → | ||||
Exact match “DialogueDirect fundraisers are trained, passionate advocates for our world-class charity partners.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 59 contacts → | ||||
Exact match “Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 59 contacts → | ||||
Exact match “Sustainable Donors through a Sustainable Approach Threshold Giving is a division of The Threshold Group and RCH Companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 56 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 | |||||
| 13 | 50 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 | |||||
| 14 | 50 contacts → | ||||
Exact match “Together, our teams build out the donor base of nonprofits, whether on the phones or at the doors.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 49 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 | |||||
| 16 | 45 contacts → | ||||
Exact match “DCM is the premier teleservices company dedicated exclusively to supporting the sales and fundraising efforts of not-for-profit organizations throughout the country.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 44 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 | |||||
| 18 | 40 contacts → | ||||
Exact match “Newport ONE is a full-service, direct response fundraising agency that is helping nonprofit organizations engage and inspire their donors to change the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 38 contacts → | ||||
Exact match “Remember your grandma’s phone?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “Kulia Business Solutions delivers direct marketing and fundraising promotions devoted to championing good causes to help them create more change for the better.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 35 contacts → | ||||
Exact match “Dini Spheris is a Houston-based nonprofit fundraising consulting firm that's been partnering with local, national and international nonprofits for more than 50 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “Capital Campaign & Donor Engagement Consultants The full-service partner that grows your donor base at every stage of the giving journey.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 32 contacts → | ||||
Exact match “Nexus Direct is a direct response fundraising agency dedicated to helping nonprofit organizations achieve their missions through increased donor engagement and giving.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 32 contacts → | ||||
Exact match “Direct marketing for professionals, by professionals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 30 contacts → | ||||
Exact match “Grizzard Communications Group is a leading direct marketing agency for nonprofit fundraising.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “nonprofit fundraising call centers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 155 nonprofit fundraising call centers based in the United States
See the full list, filter by size, metro and specialty, and access 1,281 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Nonprofit fundraising call centers based in the United States at a glance
As of Sep 29, 2026Companies by employee count
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 155 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 fundraising call centers” 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 1,281 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 fundraising call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nonprofit fundraising call centers are there based in the United States?
RevenueBase identified 155 company matches for nonprofit fundraising call centers 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?
CDS Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most nonprofit fundraising call centers?
New York leads with 10 company records, followed by Dallas (6) and Austin (5).
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 1,281 professional contacts with verified work emails tracked across these 155 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.
Ready to reach these companies? Verified emails and direct dials for all 155 nonprofit fundraising call centers based in the United States. Start with a free account, no credit card.
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Nonprofit fundraising call centers by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Nonprofit fundraising call centers based in Canada
- Nonprofit fundraising call centers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 nonprofit fundraising call centers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 155 matching company records for nonprofit fundraising call centers based in the United States, with 4,404 tracked contacts and 1,281 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit fundraising call centers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  CDS Globalcds-global.comHQ: Des Moines, IA, United StatesReported employees: 1,001-5,000 | Des Moines, IA, United States | 1,001-5,000 | Exact match | 1,262 contacts → |
“CDS Global is the only provider that manages every customer and donor touchpoint-online and offline-across the entire journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RKD Grouprkdgroup.comHQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 492 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Innovairreinnovairre.comHQ: Cherry Hill, NJ, United StatesReported employees: 1,001-5,000 | Cherry Hill, NJ, United States | 1,001-5,000 | Exact match | 342 contacts → |
“Our motto says it all: We Help People Who Help People.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MDS Communications Corporationmdscom.com HQ: Mesa, AZ, United StatesReported employees: 201-500 | Mesa, AZ, United States | 201-500 | Exact match | 266 contacts → |
“MDS provides a complete array of telephone fundraising services for non-profit and political organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NEW Canvassing Experiencenewcanvassing.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 157 contacts → |
“We are a face-to-face fundraising agency, connecting donors and the causes they are passionate about.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Wilson-Bennett Technology, INCwilson-bennett.com HQ: Cabot, AR, United StatesReported employees: 51-200 | Cabot, AR, United States | 51-200 | Exact match | 99 contacts → |
“At Wilson-Bennett Technology, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Donor Development Strategiesdonordevelopmentstrategies.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 84 contacts → |
“We are Donor Development Strategies (DDS), a national field-organizing firm that specializes in raising money and signing up members for high-profile non-profits through…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Avalon Consulting Groupavalonconsulting.netHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dialoguedirectdialoguedirect.com HQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 62 contacts → |
“DialogueDirect fundraisers are trained, passionate advocates for our world-class charity partners.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Graham-Peltongrahampelton.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 59 contacts → |
“Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Threshold Givingthresholdgiving.com HQ: Moorestown, NJ, United StatesReported employees: 11-50 | Moorestown, NJ, United States | 11-50 | Exact match | 59 contacts → |
“Sustainable Donors through a Sustainable Approach Threshold Giving is a division of The Threshold Group and RCH Companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Streetlight Digitalstreetlightdigital.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 56 contacts → |
“Streetlight Digital is a full-spectrum nonprofit fundraising and marketing partner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Douglas Shaw & Associatesdouglasshaw.com HQ: Naperville, IL, United StatesReported employees: 51-200 | Naperville, IL, United States | 51-200 | Exact match | 50 contacts → |
“Results, it’s more than an ad campaign, it’s part of the core values which guide our work.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dvcanvassdvcanvass.com HQ: National, MD, United StatesReported employees: 51-200 | National, MD, United States | 51-200 | Exact match | 50 contacts → |
“Together, our teams build out the donor base of nonprofits, whether on the phones or at the doors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sanky Communicationssankyinc.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dcm, INCdcmtm.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 45 contacts → |
“DCM is the premier teleservices company dedicated exclusively to supporting the sales and fundraising efforts of not-for-profit organizations throughout the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Faircom NEW Yorkfaircomny.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 44 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Newport ONEnewportone.com HQ: Duxbury, MA, United StatesReported employees: 11-50 | Duxbury, MA, United States | 11-50 | Exact match | 40 contacts → |
“Newport ONE is a full-service, direct response fundraising agency that is helping nonprofit organizations engage and inspire their donors to change the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Synergysynergyengagement.comHQ: Akron, United StatesReported employees: 11-50 | Akron, United States | 11-50 | Exact match | 38 contacts → |
“Remember your grandma’s phone?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kulia Business Solutionsteamkulia.comHQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 37 contacts → |
“Kulia Business Solutions delivers direct marketing and fundraising promotions devoted to championing good causes to help them create more change for the better.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Dini Spherisdinispheris.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 35 contacts → |
“Dini Spheris is a Houston-based nonprofit fundraising consulting firm that's been partnering with local, national and international nonprofits for more than 50 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Catapult Fundraisingcatapultfr.com HQ: Henderson, NV, United StatesReported employees: 51-200 | Henderson, NV, United States | 51-200 | Exact match | 35 contacts → |
“Capital Campaign & Donor Engagement Consultants The full-service partner that grows your donor base at every stage of the giving journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nexus Directnexusdirect.com HQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 32 contacts → |
“Nexus Direct is a direct response fundraising agency dedicated to helping nonprofit organizations achieve their missions through increased donor engagement and giving.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  West Coast Call Center INCwestcoastcallcenter.comHQ: Ceres, CA, United StatesReported employees: 11-50 | Ceres, CA, United States | 11-50 | Exact match | 32 contacts → |
“Direct marketing for professionals, by professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Grizzard Communications Groupgrizzard.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 30 contacts → |
“Grizzard Communications Group is a leading direct marketing agency for nonprofit fundraising.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 155 company matches
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Nonprofit fundraising call centers: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
155 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 155 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for nonprofit fundraising call centers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit fundraising call centers did RevenueBase find based in the United States?
The saved snapshot records 155 matching company records, 4,404 tracked contacts and 1,281 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Nonprofit fundraising call centers by geography
Cite this list
RevenueBase Data Team. Top 25 nonprofit fundraising call centers based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/nonprofit-fundraising-call-centers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Nonprofit fundraising call centers based in Canada
- Nonprofit fundraising call centers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 nonprofit fundraising call centers based in the United States
RevenueBase records 155 matching company records for nonprofit fundraising call centers based in the United States, with 4,404 tracked contacts and 1,281 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit fundraising call centers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | CDS Globalcds-global.com HQ: Des Moines, IA, United StatesReported employees: 1,001-5,000 | Des Moines, IA, United States | 1,001-5,000 | Exact match | 1,262 contacts → |
“CDS Global is the only provider that manages every customer and donor touchpoint-online and offline-across the entire journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RKD Grouprkdgroup.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 492 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Innovairreinnovairre.com HQ: Cherry Hill, NJ, United StatesReported employees: 1,001-5,000 | Cherry Hill, NJ, United States | 1,001-5,000 | Exact match | 342 contacts → |
“Our motto says it all: We Help People Who Help People.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MDS Communications Corporationmdscom.com HQ: Mesa, AZ, United StatesReported employees: 201-500 | Mesa, AZ, United States | 201-500 | Exact match | 266 contacts → |
“MDS provides a complete array of telephone fundraising services for non-profit and political organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NEW Canvassing Experiencenewcanvassing.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 157 contacts → |
“We are a face-to-face fundraising agency, connecting donors and the causes they are passionate about.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Wilson-Bennett Technology, INCwilson-bennett.com HQ: Cabot, AR, United StatesReported employees: 51-200 | Cabot, AR, United States | 51-200 | Exact match | 99 contacts → |
“At Wilson-Bennett Technology, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Donor Development Strategiesdonordevelopmentstrategies.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 84 contacts → |
“We are Donor Development Strategies (DDS), a national field-organizing firm that specializes in raising money and signing up members for high-profile non-profits through…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Avalon Consulting Groupavalonconsulting.net HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dialoguedirectdialoguedirect.com HQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 62 contacts → |
“DialogueDirect fundraisers are trained, passionate advocates for our world-class charity partners.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Graham-Peltongrahampelton.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 59 contacts → |
“Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Threshold Givingthresholdgiving.com HQ: Moorestown, NJ, United StatesReported employees: 11-50 | Moorestown, NJ, United States | 11-50 | Exact match | 59 contacts → |
“Sustainable Donors through a Sustainable Approach Threshold Giving is a division of The Threshold Group and RCH Companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Streetlight Digitalstreetlightdigital.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 56 contacts → |
“Streetlight Digital is a full-spectrum nonprofit fundraising and marketing partner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Douglas Shaw & Associatesdouglasshaw.com HQ: Naperville, IL, United StatesReported employees: 51-200 | Naperville, IL, United States | 51-200 | Exact match | 50 contacts → |
“Results, it’s more than an ad campaign, it’s part of the core values which guide our work.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dvcanvassdvcanvass.com HQ: National, MD, United StatesReported employees: 51-200 | National, MD, United States | 51-200 | Exact match | 50 contacts → |
“Together, our teams build out the donor base of nonprofits, whether on the phones or at the doors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sanky Communicationssankyinc.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dcm, INCdcmtm.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 45 contacts → |
“DCM is the premier teleservices company dedicated exclusively to supporting the sales and fundraising efforts of not-for-profit organizations throughout the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Faircom NEW Yorkfaircomny.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 44 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Newport ONEnewportone.com HQ: Duxbury, MA, United StatesReported employees: 11-50 | Duxbury, MA, United States | 11-50 | Exact match | 40 contacts → |
“Newport ONE is a full-service, direct response fundraising agency that is helping nonprofit organizations engage and inspire their donors to change the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Synergysynergyengagement.com HQ: Akron, United StatesReported employees: 11-50 | Akron, United States | 11-50 | Exact match | 38 contacts → |
“Remember your grandma’s phone?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kulia Business Solutionsteamkulia.com HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 37 contacts → |
“Kulia Business Solutions delivers direct marketing and fundraising promotions devoted to championing good causes to help them create more change for the better.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dini Spherisdinispheris.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 35 contacts → |
“Dini Spheris is a Houston-based nonprofit fundraising consulting firm that's been partnering with local, national and international nonprofits for more than 50 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Catapult Fundraisingcatapultfr.com HQ: Henderson, NV, United StatesReported employees: 51-200 | Henderson, NV, United States | 51-200 | Exact match | 35 contacts → |
“Capital Campaign & Donor Engagement Consultants The full-service partner that grows your donor base at every stage of the giving journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nexus Directnexusdirect.com HQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 32 contacts → |
“Nexus Direct is a direct response fundraising agency dedicated to helping nonprofit organizations achieve their missions through increased donor engagement and giving.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | West Coast Call Center INCwestcoastcallcenter.com HQ: Ceres, CA, United StatesReported employees: 11-50 | Ceres, CA, United States | 11-50 | Exact match | 32 contacts → |
“Direct marketing for professionals, by professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Grizzard Communications Groupgrizzard.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 30 contacts → |
“Grizzard Communications Group is a leading direct marketing agency for nonprofit fundraising.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 155 company matches
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Nonprofit fundraising call centers: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
155 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 155 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for nonprofit fundraising call centers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit fundraising call centers did RevenueBase find based in the United States?
The saved snapshot records 155 matching company records, 4,404 tracked contacts and 1,281 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Nonprofit fundraising call centers by geography
Cite this list
RevenueBase Data Team. Top 25 nonprofit fundraising call centers based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/nonprofit-fundraising-call-centers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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