| AgentVoice agentvoice.com | AI/Voice Automation | Transactional email delivery | Global |
| Ahrefs ahrefs.com | SEO & Marketing Technology | Customer communication | USA |
| Alle-AI alle-ai.com | AI/ML | Transactional email delivery | United States |
| Allego allego.com | Revenue Enablement | Email services | USA |
| Amio amio.io | AI/ML | Email delivery | EU |
| AppPack apppack.io | — | Transactional email | USA |
| Arch arch.co | Fintech | SendGrid services E-mail, and SMS services. SendGrid processes Arch’s email communication data for sending, receiving, and tracking transactional and marketing emails. | US |
| ARCHIBUS archibus.com | Workplace Management | Transactional Email Management | United States |
| Arista arista.com | Networking and Cloud Infrastructure | Email Messaging | USA |
| Atlas khoros.com | Community Management | Email service provider used to send emails | USA, UK, India, and Japan |
| Atlasnova atlasnova.ai | AI/ML, Restaurant Management | Email Communications | United States / Global |
| AVEVA aveva.com | Industrial Software | Email functionality for AVEVA cloud offerings | Global |
| Backblaze backblaze.com | Cloud Infrastructure | A service used by Backblaze to send email messages. | San Francisco, California, USA |
| Base44 base44.com | No Code Development | Email transmission and external communication | US |
| Basecamp basecamp.com | Productivity | Email Delivery Services | USA |
| Birdeye birdeye.com | Marketing | Email | United States |
| Bite Ninja biteninja.com | Tech for Quick-Service Restaurants | Email communications and notifications | United States |
| Bizzabo bizzabo.com | Event Management | Email Delivery | USA |
| Black Box Intelligence blackboxintelligence.com | FoodTech | Email dispatch | EU various / USA |
| Blitzz blitzz.co | AI/Remote Support | Transactional email delivery. Handles programmatically triggered emails such as notifications and alerts sent from Blitzz applications. | United States |
| Builder.io builder.io | DevOps | Delivers transactional and alert emails to users. | USA |
| Cal.com cal.com | Productivity | Email communication and delivery services | United States |
| Centralize usecentralize.com | Sales Automation | Email delivery and marketing services | United States |
| Cerebras Systems cerebras.ai | AI Infrastructure | User communication management for Cerebras inference service | US |
| ChatSupportBot chatsupportbot.com | AI Customer Support | Email delivery service | United States |
| ChurnZero churnzero.com | Customer Success Software | Email Sending Stack | US |
| Cialfo cialfo.co | EdTech | Transactional mail services provider | United States |
| Claromentis claromentis.com | Productivity | Transactional email delivery service | USA |
| ClassHook classhook.com | EdTech | Email Delivery Service | As determined by SendGrid |
| Cloudera cloudera.com | Data Analytics, AI/ML, Cloud Infrastructure | Email notification services | USA |
| Cloudinary cloudinary.com | Cloud Infrastructure | Email Automation | United States |
| Cloudmersive APIs cloudmersive.com | Cybersecurity | Email Infrastructure | United States |
| Cloverpop cloverpop.com | Decision Intelligence | Cloud-based Email Messaging | United States |
| Cohesity cohesity.com | Cybersecurity | Email notification tool | USA |
| Condeco condecosoftware.com | Workplace Management | Transactional Email Management | United States |
| Contentquo contentquo.com | DevOps | Cloud-based Email Notification Service | United States |
| Copper CRM copper.com | CRM, SaaS | Hosting | USA |
| Couchbase couchbase.com | Data Management / AI | Customer support services | United States |
| Courier courier.com | Marketing | Email delivery | USA |
| Credly credly.com | EdTech | Used to send invitation emails to Earners to create accounts on the Credly platform | United States |
| Credly credly.com | EdTech | Used to send invitation emails to create accounts on the Faethm platform | United States |
| CRM Messaging crm-messaging.cloud | Communication/CRM Software | Email delivery for marketing and transactional messages | USA |
| Cyberhaven cyberhaven.com | Cybersecurity | Transactional email service provider | US |
| Data Processor Agreement dext.com | Fintech | Outgoing transactional emails. | US |
| DataShuttle datashuttle.io | DevOps | Email | USA |
| Data Sub Processors dowo.digital | Digital Marketing, IT Services, Web Design, Cloud Solutions | Email Delivery | USA |
| Dealcloud dealcloud.com | Financial Services/Investment Banking | Email Processing | United States |
| Deallcloud deallcloud.net | AI/ML, SaaS, Legal Tech, Consulting, Investment Banking | Email Processing | United States |
| Deploy in 60 Seconds solvps.com | Cloud Infrastructure | Third-party SMTP provider for sending emails to Customers. | United States |
| Deskpro deskpro.com | Help Desk Software/AI | Email sending and receiving | Global |
| Directus directus.io | Data Management / No-Code Development | Transactional Email Delivery for Directus SaaS projects | USA, EU |
| Docsumo docsumo.com | AI Document Automation | Transactional email delivery | USA |
| Domino Data Lab dominodatalab.com | AI/ML | Email delivery | USA |
| Dromo dromo.io | Data Integration | Transactional mail service provider | United States |
| DryMerge drymerge.com | AI/ML, CRM Automation | Transactional email delivery | United States |
| Dynaboard Docs dynaboard.com | Low-Code Development | Email API | US |
| EarlyDog earlydog.com | Cloud Infrastructure | Customer Communication | Various Locations |
| EdgeBit edgebit.io | Cybersecurity | Email services | US |
| Effy effy.ai | HR Tech | Email services | Ireland |
| Element element.io | Cybersecurity | Email delivery services | USA |
| Emailchaser emailchaser.com | Sales Enablement | Transactional emailing | USA |
| Encyro, Inc. encyro.com | Cybersecurity | Email notifications | United States |
| Eptura eptura.com | Workplace Management | Transactional Email Management | United States |
| Ethyca ethyca.com | Data Privacy, Compliance, AI Governance | Transactional email service provider | USA |
| Eventbuilder eventbuilder.rocks | Event Management, SaaS | Email Service Provider | United States |
| Eventene eventene.com | Event Management | Provides transactional and messaging email delivery services. | United States |
| Eventzilla eventzilla.net | Event Management | Communications & Messaging | USA |
| Everafter everafter.ai | Customer Engagement, AI | Transactional mail services provider | USA |
| Evermuse evermuse.com | Productivity | Data processing service | USA |
| ExecOnline execonline.com | EdTech | Customer communication service provider | USA |
| Factorial factorialhr.com | HR Tech | Email delivery service | Ireland |
| Fellow fellow.ai | AI/ML | Email delivery service | USA |
| Figma figma.com | Design Software | Customer email notifications | United States |
| FloRecruit florecruit.com | Legal Tech | Email delivery services | USA |
| Fortinet fortinet.com | Cybersecurity | Email and SMS services, API, and 2FA | US |
| Foxglove foxglove.dev | Robotics Data Analytics | Email delivery | United States |
| Fresha fresha.com | E-commerce | Cloud-based email notification services | United States |
| Freshworks freshworks.com | Customer Experience, AI/ML | Backup service provider to cover for any emergencies when customers are not using an external mail service. | US |
| Git git.law | Legal Tech | SMS notification provider for 2 Factor Authentication | United States |
| Gleam gleam.io | Marketing | Email delivery service | USA |
| Glean Technologies glean.com | AI/ML, Productivity | Email Provider | United States |
| Governance360 governance360.com | Governance Technology | Transactional emails and service notifications | Not specified |
| Granola granola.ai | AI/Machine Learning | Marketing | United States |
| GrowPanel growpanel.io | SaaS Analytics | Transactional email delivery for reports, notifications, and system emails | US |
| Gyre gyreteams.com | HR Tech | Email service provider | USA |
| Harperjames harperjames.co.uk | Legal Tech | Email delivery service | United States |
| Haystack usehaystack.io | DevOps | email delivery and marketing | United States |
| Helio helio.app | Market Research, UX Research | Transactional mail services provider | United States |
| HeyMilo heymilo.ai | HR Tech | Transactional email delivery (automated platform emails to users) | United States |
| Higher Logic higherlogic.com | Community Engagement Software | Email Engine | USA |
| Hireology hireology.com | HR Tech | Collaboration | N/A |
| Homerun homerun.co | HR Tech | Email Communications | USA |
| Homerun homerun.co | HR Tech | Email Communications | EU |
| Hrvey hrvey.com | HR Tech | Email delivery and marketing | United States |
| Hume AI hume.ai | HR Tech | Content delivery | Not specified |
| Hyaa AI hyaa.ai | HR Tech | Transactional email delivery | USA |
| Hyperping hyperping.io | DevOps | Email delivery for alerts and transactional emails | United States (global delivery) |
| Hyperping hyperping.com | DevOps | Email delivery for alerts and transactional emails | United States (global delivery) |
| Hyperproof hyperproof.io | Governance, Risk Management, Compliance (GRC) | Email Delivery | USA |
| Idrive idrive.com | Cloud Infrastructure | Transactional email delivery and deliverability management | USA |
| InMoment inmoment.com | Customer Experience Management | Email Service Provider (Survey Invitations and platform messages) | USA |
| Insightly insightly.com | CRM, Marketing Automation | Email delivery service | USA |
| Insycle insycle.com | Data Management | Send application emails for customer configured alerts and notifications. | Colorado, USA |
| Intempt intempt.com | Marketing | Email delivery | United States |
| Ironclad ironcladapp.com | AI Contract Lifecycle Management | Email Notifications | USA |
| Itportal itportal.com | IT Documentation/Management | Transactional email delivery | United States |
| Ivanti ivanti.com | IT & Security | SendGrid email relay service | United States |
| Jasper jasper.ai | AI/ML, Marketing Technology | Email | US |
| Jp jp.cloudera.com | Cloud Infrastructure | Email notification services | USA |
| Kalingo kalingo.hu | Marketing | Transactional & marketing email delivery | USA |
| Kentico kentico.com | Marketing | Email delivery services | United States |
| Lakeside Software lakesidesoftware.com | DevOps | Email Distributions | United States |
| LastPass lastpass.com | Cybersecurity | Email delivery and marketing services | United States |
| LawyerDesk lawyerdesk.ai | Legal Tech | Email Delivery Services | United States |
| Leena AI leena.ai | AI/ML | Sending emails to the users | USA, can be localized in select locations |
| Legaleye legaleye.com | Legal Tech | Email notification service | USA |
| Legalvision legalvision.co.uk | Legal Tech | Email delivery and marketing services | USA |
| Lilt lilt.com | AI/ML, Localization | Email delivery service | United States |
| Livestorm livestorm.co | Webinar Software | Sending emails | USA |
| Localize localizejs.com | Localization/Translation | Email delivery services | United States |
| LPI Trust laserproductsus.com | Manufacturing / SaaS | Email notification service | USA |
| Macroscope macroscope.com | DevOps | Email delivery | United States |
| Mailtag mailtag.io | Productivity | Email delivery services | USA |
| ManageBac managebac.com | EdTech | Email delivery and marketing service | USA |
| Maxio maxio.com | Fintech | Transactional & Marketing email | Denver, CO |
| Meltwater meltwater.com | Media Intelligence | Email delivery management and reporting | USA |
| MinnaLearn minnalearn.com | EdTech | Email delivery and marketing platform | United States |
| ModernLoop modernloop.io | HR Tech | Email Delivery | USA |
| MTech Systems mtechsystems.io | AgriTech | Transactional and marketing email provider | USA |
| Navero navero.me | HR Tech | Transactional email delivery | Selected sending region (EU available) |
| Navixy navixy.com | Telematics | Email service provider | United States |
| Netzilo netzilo.com | Cybersecurity | Email Services | United States |
| Nexbyt Technology nexbyt.com | AI/Cloud Services | Transactional and marketing email delivery | United States |
| Nimble nimble.com | CRM, Email Marketing | Email service provider | USA |
| Noonsite noonsite.com | E-commerce | Email services | USA |
| Norstella norstella.com | HealthTech | Product alert and communication email delivery. | United States |
| Oceancrewlink oceancrewlink.com | Marine Services | Email services | USA |
| OctopusDeploy octopus.com | DevOps | Automated emailing. Data subject name and email. | USA, EU, UK |
| Okta okta.com | Identity Security | Email notifications | USA |
| Oktopost oktopost.com | Marketing | Email distribution (SOC 2 Type 2 audited) | United States |
| ON24 AI-powered ACE on24.com | Marketing, Webinars, AI-powered Engagement | Email delivery services | United States |
| OneSchema oneschema.co | Data Integration | Email Delivery | USA / Ireland |
| Oneteam oneteam.io | HR Tech | Transactional Email Communication | USA |
| one-touch onetouchhealth.net | HealthTech | Email delivery services | United States |
| OpenApply openapply.com | EdTech | Email delivery and marketing | N/A |
| Optimove optimove.com | Marketing | Email Sender Platform | EU/US |
| Ortto ortto.com | Marketing | Email Delivery | United States |
| Otter.ai otter.ai | AI/ML, Productivity | Email communications | United States |
| Outreach outreach.io | Sales Technology | Email communications | United States |
| Overleaf data processors overleaf.com | EdTech | Service emails | US |
| Paminga paminga.com | Marketing Operations | Email delivery services | United States |
| Pantheon pantheon.io | WebOps | Customer Sub-Processor | USA |
| Paragon useparagon.com | Integration Infrastructure, SaaS | Alerts and team management (End-User Data + Customer Data) | USA |
| PartnerStack partnerstack.com | Affiliate Marketing, SaaS | Transactional Email | United States |
| Passthrough passthrough.com | Fintech | Email services provider | US |
| Perl Street perlstreet.com | Fintech, Renewable Energy | Email delivery services | United States |
| Pipedrive pipedrive.com | Sales Technology | Service provider for the Smart Email BCC Feature | USA |
| Pipefy pipefy.com | Process Automation / AI | Send emails by Pipefy system | USA |
| Planning Center planning.center | Church Management Software | Email Delivery | USA |
| Postscript postscript.io | Marketing | Customer Service | United States of America |
| Powersync powersync.com | Mobile Development / Sync Technology | Transactional email | US |
| Productboard productboard.com | Product Management/AI | Cloud-based Email Notifications Service | United States |
| Project44 project44.com | Supply Chain Management / Logistics | SMS notifications / Contact management (voluntary) | United States, Ireland, and/or Australia |
| PromptArmor promptarmor.com | AI Risk Management | Email delivery service | United States |
| Q4 Inc. q4inc.com | Fintech | Email deployment | USA |
| Quo Resource Center quo.com | Telecommunications/AI | Email delivery | US |
| Quo Resource Center openphone.co | Telecommunications | Email delivery | US |
| Raycast raycast.com | Productivity | Email Communications (Product Onboarding) | United States |
| Reevo reevo.ai | Sales Technology | SMS notification provider for 2 Factor Authentication | United States |
| Rekoop rekoop.com | Legal Tech | Email Processing | United States |
| Relay Hawk relayhawk.com | AI/ML, Call Center Automation | Routing and transmission of emails | USA |
| Release release.com | DevOps | Transactional email delivery | United States |
| Relevance AI relevanceai.com | AI/ML | Outbound email services | US |
| Respond.io respond.io | Customer Communication Platform | Transactional and marketing email delivery | USA |
| ROKT rokt.com | E-commerce | Email delivery (optional opt-in) | USA |
| SchedulingKit schedulingkit.com | Productivity | Email delivery | United States |
| SchoolsBuddy schoolsbuddy.com | EdTech | Email delivery and marketing service | USA |
| Sdocs sdocs.com | Productivity | Used for sending email notifications to end users of the application | United States |
| Secretly secretly.dev | Cybersecurity | Email and communication services. | Unknown |
| Sertifi sertifi.com | Fintech | Email Delivery System | USA |
| Serverpilot serverpilot.io | Cloud Infrastructure | Email | USA |
| Services trifact365.com | Fintech | E-mail tool | EU/US Privacy Shield |
| SetHero sethero.com | Media Production Software | Transactional email provider | USA |
| ShipBob shipbob.com | E-commerce Fulfillment | Transactional Email | US |
| ShortStack shortstack.com | Marketing | Cloud-based email delivery platform for transactional emails to ShortStack customers. | Colorado, USA |
| ShortStack shortstack.com | Marketing | Cloud-based email delivery platform. | San Francisco, USA |
| Shortwave goshortwave.com | Media & Podcasting | Cloud-based Email Notification Services | United States |
| Shout Docs shout.com | Productivity | Email delivery or invitations and responses | USA |
| Sigma Computing sigmacomputing.com | Analytics/AI Applications | Transactional Emails | USA |
| Signol signol.io | HealthTech | Email sending infrastructure | USA |
| Siit siit.io | IT Service Management | Distributing email campaigns | USA |
| Simpli5 simpli5.com | HR Tech | Cloud-based Email Notification Services | United States |
| Sisense sisense.com | Analytics | Email server | United States |
| Sisense sisense.com | Analytics | Email server | United States |
| Sketch sketch.com | Design Tools | Transactional emails (backup) | US |
| Skyflow skyflow.com | Data Privacy, Cybersecurity | Email notifications | United States |
| Smarsh telemessage.com | Compliance/Archiving | Sending customer notifications and system status updates to TeleMessage. | USA |
| SmartRecruiters smartrecruiters.com | HR Tech | SendGrid powers the email functionality between candidates and customers. | Denver, Colorado, USA |
| Sopheon sopheon.com | — | Email notifications | United States |
| Spekit spekit.com | Sales Enablement, AI, Revenue Operations | Transactional emails | USA |
| Split.io split.io | Feature Management | Email delivery services | USA |
| Spond spond.com | Club Management Software | Email Notifications | USA |
| SquaredUp Cloud Support squaredup.com | DevOps | Communication | USA |
| Stord stord.com | Supply Chain, Logistics, Fulfillment Software | Sendgrid is the API Stord uses to send out emails to users (resetting passwords, CSV exports) | USA-CO |
| Stormboard stormboard.com | Collaboration Software | Transactional Email | United States |
| Strigo strigo.io | EdTech | Email delivery and communication services | USA |
| Stukent stukent.com | EdTech | Email delivery services | United States |
| Sub Processors chargeover.com | Fintech | Sending email | Unknown |
| Sub Processors cision.com | Media Intelligence | Email Distribution | European Union & Global |
| Sub Processors cision.com | Media Intelligence | Email Distribution | European Union & Global |
| Sub Processors getreprise.com | DevOps | Email Processing Service | USA |
| Sub Processors reprise.com | Productivity | Email Processing Service | USA |
| Sub processors in Simployer Classic simployer.com | HR Tech | Emailing-service for sending out notifications via e-mail | USA |
| Superblocks superblocks.com | DevOps | Email service | United States |
| Super Send supersend.io | Marketing | Transactional email (notifications, password resets) | United States |
| Surveynation surveynation.co | Survey Software | to enable email delivery | USA |
| Tackle timetackle.com | Productivity | Email Delivery | US |
| Taloflow taloflow.ai | DevOps | Transactional email API | USA |
| Teleport goteleport.com | Cybersecurity | Transactional Emails | United States |
| Telerivet telerivet.com | — | Telerivet uses SendGrid to send transactional emails to Telerivet users, such as billing emails, password resets, and email notifications. | US |
| Tenable® tenable.com | Cybersecurity | Email Notifications | United States, UK |
| Terra API tryterra.co | HealthTech | Email delivery services | United States |
| Tesorio tesorio.com | Fintech | Email Processing | USA |
| The Predictive Index predictiveindex.com | HR Tech | Email | USA |
| ThoughtExchange thoughtexchange.com | EdTech | Email sending | United States |
| TimeChimp timechimp.com | Productivity | Transactional email delivery | United States / Europe |
| Time Doctor timedoctor.com | Productivity | Email delivery | USA |
| Timely gettimely.com | HealthTech | Cloud-based email notification services | United States |
| timesheet.io timesheet.io | Productivity | Email Service | Ireland |
| Totango totango.com | Customer Success Software | Email Communication Cloud-based platform | United States |
| TrackVia trackvia.com | Workflow Management | Email | USA |
| Unifyr unifyr.com | Channel Technology | Transactional email delivery to customers/partners | US |
| Unifyr ziftsolutions.com | Channel Management/Partner Relationship Management (PRM) | Transactional email delivery to customers/partners | US |
| Uptime uptime.com | Monitoring Services | Transactional email delivery | United States |
| Validity validity.com | Marketing | Transactional Emails | US |
| Valigara valigara.com | E-commerce / Jewelry Management Software | Email messaging platform for internal and clients’ notifications | US |
| Veezi veezi.com | Cinema Management Software | Email services | USA |
| Velos tryvelos.com | Insurance Technology (InsurTech) | Email delivery and marketing services | United States |
| Voiceform voiceform.com | Data Analytics/AI | Email communication with customers and respondents. | USA |
| Warp joinwarp.com | HR Tech | Email service provider | United States |
| Web web.thareja.ai | Cloud Infrastructure | Email communication delivery | United States |
| Wellspring wellspring.com | Innovation Management, Intellectual Property Management | Email notifications | United States |
| Wintro wintro.ai | HR Tech | Marketing | — |
| Wootric wootric.com | Customer Experience Management | Infrastructure services | USA |
| Worklytics worklytics.co | HR Tech | email | https://sendgrid.com |
| Workspan workspan.com | Partner Management/Partnership Automation | Cloud-based Email Notification Services | United States |
| Worldcruising worldcruising.com | Travel & Tourism | Email services | United States |
| Xref xref.com | HR Tech | Transactional mail services provider | United States |
| Xurrent 4me.com | ITSM/IMR | Email Processing | USA |
| Xurrent xurrent.com | IT Service Management (ITSM) | Email Processing | USA (United States of America) |
| Yardi yardi.com | PropTech | Provides an email delivery platform and related services including the development, transmission, analysis, and management of email messages and other digital communications and tools. | USA |
| Yotpo yotpo.com | Marketing | Cloud-based email services provider used to communicate emails to Shoppers. | USA |
| Zendesk zendesk.com | Customer Experience, AI/ML, SaaS | Provides email campaign services used to send notification emails and dashboards to Agents and End-Users. | United States |
| Zendesk help zendesk.co.uk | Customer Service Software, AI | Provides email campaign services used to send notification emails and dashboards to Agents and End-Users. | United States |
| Zof AI zof.ai | DevOps | Data Processed | Us |
| Zoop zoop.one | Fintech, Digital Identity Verification | Cloud-based Email Notification Service | USA |