Communication

200 sub-processors in this category

#	Sub-Processor	Companies
1	Twilio	334
2	Slack	315
3	SendGrid	214
4	Mailgun	108
5	Zoom	106
6	Mailgun Technologies	93
7	Sendgrid	91
8	Mailchimp	80
9	Postmark	73
10	Google	61
11	Intercom	60
12	Google Workspace	52
13	Customer.io	43
14	Resend	36
15	MailChimp	30
16	Hubspot	27
17	Amazon Web Services	25
18	Pusher	23
19	HubSpot	22
20	Nylas	18
21	Microsoft	16
22	Mailjet	15
23	Apple	15
24	Outreach	13
25	Plivo	13
26	Infobip	13
27	LiveKit	12
28	ActiveCampaign	12
29	Brevo	12
30	Marketo	11
31	OneSignal	11
32	ZeroBounce	11
33	Campaign Monitor	11
34	Loops	11
35	Twilio Inc. (SendGrid)	11
36	MessageBird	11
37	Front	10
38	Calendly	9
39	Salesforce	9
40	Vonage	9
41	Gong	9
42	Company B	8
43	Zapier	8
44	Microsoft Teams	8
45	Courier	8
46	Sparkpost	8
47	Zendesk	8
48	Bandwidth	8
49	Twilio (SendGrid)	8
50	Aircall	7
51	Lob.com	7
52	Pendo	7
53	SignalWire	7
54	Sparkpost (MessageBird)	7
55	SparkPost	7
56	NeverBounce	7
57	PagerDuty	6
58	Mailgun (Sinch)	6
59	Office 365	6
60	Deepgram	6
61	Meta	6
62	Sendinblue	6
63	MailGun	6
64	Confluent	6
65	Twilio (Sendgrid)	6
66	Braze	6
67	Twilio Inc. (Sendgrid)	6
68	Sinch	6
69	Discord	6
70	Kickbox	6
71	Loom	5
72	Notion	5
73	ConvertKit	5
74	Vonage Business	5
75	Zoom Communications	5
76	Constant Contact	5
77	Stream.io	5
78	Microsoft Office 365	5
79	Instantly	5
80	Slack (Salesforce)	5
81	Attio	5
82	Knock Labs	5
83	LinkedIn	5
84	PubNub	5
85	PostMark	5
86	The Rocket Science Group LLC d/b/a Mailchimp	5
87	RingCentral	5
88	Company C	4
89	Mimecast	4
90	AC PM LLC (Postmark)	4
91	Apollo	4
92	Microsoft Office365	4
93	Microsoft 365	4
94	Daily	4
95	Twillio	4
96	Xero	4
97	Mandrill	4
98	MailerLite	4
99	Adaptive Mobile	4
100	Loops.so	4
101	Validity	4
102	Twilio Ireland	4
103	Validity (BriteVerify)	4
104	Twilio, Inc. (SendGrid)	4
105	Superhuman	4
106	Clickhouse	4
107	Help Scout	4
108	Klaviyo	4
109	Ably Realtime	4
110	Google Cloud Platform	4
111	Telnyx	4
112	FrontApp	4
113	Firebase	4
114	ElevenLabs	4
115	Pylon	4
116	Dialpad	4
117	Iterable	4
118	Peaberry Software, Inc. (Customer.io)	3
119	Pipedrive	3
120	Agora Labs	3
121	Mailchimp (The Rocket Science Group LLC)	3
122	OpenAI	3
123	Mailchimp/Mandrill	3
124	Plus Five Five	3
125	Mixpanel	3
126	Appcues	3
127	Nexmo	3
128	MixMax	3
129	Microsoft Ireland Operations	3
130	Customer IO	3
131	MessageBird USA Inc. (dba SparkPost)	3
132	Crisp	3
133	Adobe	3
134	MailJet	3
135	Marketing Agency	3
136	Mailcoach	3
137	Amazon Web Services EMEA	3
138	Mailerlite	3
139	Vero	3
140	MailChannels	3
141	BEE Content Design	3
142	Amazon Web Services (AWS)	3
143	Twilio/SendGrid	3
144	Cognizant Worldwide	3
145	Userlist	3
146	Knock	3
147	Twilio Messaging API	3
148	Twilio, Inc. (Sendgrid)	3
149	Amazon SES	3
150	AWS SES	3
151	Zoho Corporation Pvt	3
152	CloudAMQP	3
153	Telegram	3
154	Telesign	3
155	Sub-Processor B	3
156	Stripe	3
157	SubProcessor C	3
158	TeleSign	3
159	Sinch Email (Mailgun)	3
160	Google LLC (Google Workspace)	3
161	Sinch America	3
162	Chatlio	3
163	Chargebee	3
164	SendGrid, Inc. (Twilio)	3
165	Esendex	3
166	Eleven Labs	3
167	SendGrid (Twilio Inc./ SendGrid, Inc.)	3
168	Pubnub	3
169	Active Campaign	3
170	Phonovation	2
171	Paubox	2
172	Cakemail	2
173	Byteplant	2
174	Astrodon	2
175	Acrobits	2
176	Pagerduty	2
177	OpenAI OpCo	2
178	Opsgenie	2
179	Agora	2
180	Onlinebrief24	2
181	Optichrome	2
182	Novu	2
183	Odoo	2
184	Brevo (Sendinblue)	2
185	Brevo (formerly Sendinblue)	2
186	NETNUMBER	2
187	NetDocuments	2
188	Mixmax	2
189	Apollo.io	2
190	Microsoft Office	2
191	Microsoft Azure	2
192	ACPM, LLC (Also known as Postmark)	2
193	AnnounceKit	2
194	mGage	2
195	CustomerIO	2
196	Bird.com, Inc. (fka MessageBird)	2
197	8x8	2
198	Message Systems	2
199	Microsoft Outlook	2
200	Nexmo (Vonage)	2

Frequently Asked Questions

What are the most popular Communication sub-processors?

The most widely used Communication sub-processors are Twilio (334 companies), Slack (315 companies), SendGrid (214 companies), Mailgun (108 companies), Zoom (106 companies).

How many Communication sub-processors are there?

There are 200 sub-processors categorized under Communication in our database.