Technology · Marketing Platform
12,000 websites in the live index use Customer.io Mail as of October 2026. Download the full list of Customer.io Mail websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Customer.io Mail on 12,000 websites.
Sample results for Customer.io Mail. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #1 | customermarketinggroup.co | Customer Marketing GroupCustomer marketing and loyalty services company focused on personalized customer engagement and retention strategies. | Customer Marketing Group | CO | en |
| #2 | customerjourneys.com | Customer JourneysPlatform for mapping and optimizing customer journeys across digital touchpoints for improved user experience. | Customer Journeys | US | en |
| #3 | absolute-smarts.co.uk | Absolute SmartsUK-based smart home automation and technology solutions provider. | Absolute Smarts | GB | en |
| #4 | ebtcustomerservice.com | EBT Customer ServiceSupport site for Electronic Benefits Transfer (EBT) cardholders providing customer service information and assistance. | EBT Customer Service | US | en |
| #5 | cornerstonere.net | Cornerstone REReal estate services firm offering property management, sales, and investment opportunities. | Cornerstone Real Estate | US | en |
| #6 | carspacehw.co.uk | Car Space HWUK car parking and storage solutions in Hertfordshire and surrounding areas. | Car Space HW | GB | en |
| #7 | accessbus.com | Access BusAccessible transportation services providing paratransit and shuttle buses for people with disabilities. | Access Bus | US | en |
| #8 | amerirentequipment.com | Amerirent EquipmentEquipment rental company specializing in construction and industrial machinery rentals. | Amerirent Equipment | US | en |
| #9 | epccnj.org | EPCCNJEducational organization or church community serving New Jersey area. | EPCC New Jersey | US | en |
| #10 | arnofflaw.com | Arnoff LawLaw firm providing legal services in family law, estate planning, and business law. | Arnoff Law | US | en |
| #11 | famousdevelopers.com | Famous DevelopersWeb development and software company offering custom app and site development services. | Famous Developers | US | en |
| #12 | buylaurelcreekhomes.com | Buy Laurel Creek HomesReal estate site for purchasing homes in Laurel Creek community. | Laurel Creek Homes | US | en |
| #13 | eephus.net | EephusBaseball-related site or blog focused on analytics, commentary, and eephus pitch discussions. | Eephus | US | en |
| #14 | crotherslawoffice.com | Crothers Law OfficeLaw office handling personal injury, criminal defense, and family law cases. | Crothers Law Office | US | en |
| #15 | bushlawfirm.com | Bush Law FirmLegal practice specializing in real estate, business, and estate planning law. | Bush Law Firm | US | en |
| #16 | bentonvilleattorney.com | Bentonville AttorneyLaw firm providing legal services in Bentonville, Arkansas, focusing on personal injury, family law, and criminal defense. | Bentonville Attorney | US | en |
| #17 | edgecustomerportal.com | Edge Customer PortalCustomer portal for Edge services, offering account management, support tickets, and billing information. | Edge | US | en |
| #18 | diversecustomerengagement.com | Diverse Customer EngagementPlatform for diverse customer engagement strategies, marketing tools, and customer feedback solutions. | Diverse Customer Engagement | US | en |
| #19 | callteamcline.com | Call Team ClineContact center or call team services associated with Team Cline, likely for customer support or sales. | Team Cline | US | en |
| #20 | danylopezgroup.com | Dany Lopez GroupReal estate or business group led by Dany Lopez, offering property services and consulting. | Dany Lopez Group | US | en |
| #21 | coleaccountants.co.uk | Cole AccountantsUK-based accounting firm providing tax, audit, and financial advisory services. | Cole Accountants | GB | en |
| #22 | bringuscustomers.com | Bring Us CustomersDigital marketing agency focused on lead generation and customer acquisition services. | Bring Us Customers | US | en |
| #23 | blueskyrealty.ca | Blue Sky RealtyCanadian real estate agency offering property listings, sales, and rentals. | Blue Sky Realty | CA | en |
| #24 | aerialadvantagecapecod.com | Aerial Advantage Cape CodDrone services company providing aerial photography, videography, and inspections in Cape Cod area. | Aerial Advantage Cape Cod | US | en |
| #25 | davesmithtrustlaw.com | Dave Smith Trust LawLaw firm specializing in trusts, estates, wills, and probate services. | Dave Smith Trust Law | US | en |
Complete Customer.io Mail website dataset in CSV. One-time purchase.
Customer.io Mail dataset · CSV
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The most-used Marketing Platform technologies in the TechLeads index, by number of websites.
| No. | Technology | Websites | Share of Marketing Platform | Relative size |
|---|---|---|---|---|
| 01 | Constant Contact Mail | 18,730 | 43.6% | |
| 02 | AWeber Email | 10,777 | 25.1% | |
| 03 | EKM Email Marketing | 2,989 | 7.0% | |
| 04 | Perfit Email Marketing | 2,096 | 4.9% | |
| 05 | Flodesk | 1,854 | 4.3% | |
| 06 |
TechLeads scans public websites and identifies Customer.io Mail from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 12,000 websites using Customer.io Mail. Open the sample table on this page or download the lead list.
Customer.io Mail is not in the HTTP Archive history extract (about 4,000 names). The live TechLeads catalog still tracks it among 12,000+ technologies.
See related technologies and co-occurrence on this page. Historical competitor charts appear when HTTP Archive covers Customer.io Mail.
Companies and websites using Customer.io Mail in the TechLeads index include customermarketinggroup.co, customerjourneys.com, absolute-smarts.co.uk, ebtcustomerservice.com, cornerstonere.net. The full list of 12,000 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Marketing Platform alternatives to Customer.io Mail are Constant Contact Mail (18,730), AWeber Email (10,777), EKM Email Marketing (2,989).
| 1,463 |
| 3.4% |
TechLeads scans public websites and matches Customer.io Mail by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time Customer.io Mail dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Customer.io helps you send targeted human messages to your users.
Our comprehensive database contains 12,000 websites using Customer.io Mail, making it the most complete Customer.io Mail sites list available. This Customer.io Mail customer websites directory helps businesses detect websites using Customer.io Mail and identify potential leads.
Our Customer.io Mail technology detection system scans millions of websites to identify those powered by Customer.io Mail. This list of sites with Customer.io Mail includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Customer.io Mail or exploring Customer.io Mail adoption trends, our database provides comprehensive insights.
Each entry in our Customer.io Mail sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Customer.io Mail and reach out to potential customers or partners.
Get instant access to the full list of sites with Customer.io Mail in CSV format. Our dataset includes all 12,000 Customer.io Mail customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Customer.io Mail powered websites.
