Email list of companies using Twilio
Reach product, engineering and CX leaders using Twilio for SMS, voice, WhatsApp, email (SendGrid), Verify and Flex.
Free Twilio count + 10 sample records
64,776+ companies · 431,664+ contacts available
- ✓Exact count for your titles, regions and company size
- ✓10 verified sample records to check quality
- ✓Price quote within 1 business day
Trusted by B2B and enterprise revenue teams
How many companies use Twilio?
Data InfoMetrix tracks 64,776+ companies running Twilio as of October 2026, with 431,664+ verified contacts at those accounts. The largest groups are Fintech, Healthcare and Retail & E-Commerce. Buying decisions usually sit with the CTO, VP of Product and Chief Customer Officer. Counts are estimates built from technology footprint scans, job-post signals and partner directories, checked by our research team. How we count
Organizations detected running Twilio.
Direct emails and phone dials for decision-makers.
Full buying committee mapped.
SMTP-verified, with 1:1 replacement of any email that hard bounces within 30 days.
| Technology category | DevOps & Cloud Infrastructure |
|---|---|
| Tracked organizations | 64,776+ verified accounts worldwide |
| Decision-maker contacts | 431,664+ records with emails, mobile and direct dials |
| Key roles | VP of Product, Head of Engineering, Director of CX Technology, platform administrators, IT directors, procurement |
| Geography | 180+ countries · country-by-country counts on request |
| Verification | DNS and script telemetry, 5-stage SMTP handshake, manual research |
| Refresh cadence | Continuous, 30–45 day maximum record age at delivery |
| Compliance | GDPR, CAN-SPAM, CCPA and CASL |
| Delivery | 24–48 hours as CSV, XLSX or CRM API |
Researched by the Data InfoMetrix research team. Counts updated October 2026.
How we count and verify dataSee 10 records first
Matched to your ICP filters, free.
Size your Twilio audience
Pick a region, company size and buying role to estimate how many accounts and contacts you can reach.
Estimates from our current Twilio dataset. Exact counts come with your quote.
Reach the whole buying committee
A Twilio account is not one contact. We map the people who evaluate, buy, run and use it across Customer Communications APIs.
These are examples. We build records for any department, seniority or custom title.
See exactly what you get
Every record carries 60+ fields, from verified email, direct dial and LinkedIn to full postal address, Twilio edition, coexisting stack and intent.
We deliver 60+ data fields per record, including intent data. The sample shows a selection only. Tell us which fields you need, including any that aren't listed here, and we'll add them to your list.
How we prove an account runs Twilio
No scraped résumés or stale directories. Three layers confirm a live installation before a contact reaches your list. Read our verification protocol
Live DNS & script signals
We inspect response headers, DNS MX and CNAME records and live JavaScript bundles to confirm a running Twilio instance.
DNS · CNAME · MX recordsHTTP headers · JS bundles✓ Verified against live infrastructure90-day hiring signals
We track job requisitions that ask for Twilio skills, which shows ongoing budget and headcount.
Pre-delivery SMTP handshake
Each email is tested against the destination mail server, and titles are checked against current company rosters.
Maximum bounce rate, or we replace the contacts. Your sender reputation stays clean.
Every email that hard-bounces within 30 days of delivery is replaced free, record for record.
Live SMTP and MX checks right before we send your file.
Clean CSV or XLSX, ready for one-click import.
What are you trying to do?
Each campaign needs a different data strategy. Pick your goal to see how we build the audience.
Find companies on rival platforms and reach the people evaluating a move to, or away from, Twilio.
Conquesting playbookPitch integrations, add-ons and complementary tools to companies already running Twilio.
Ecosystem playbookBuild account lists around Twilio deployment scale and engage the full committee across departments.
ABM playbookKnow the stack around every account
Twilio rarely runs alone. Every record is tagged with the tools detected alongside it, so you can segment by complementary stacks.
Open the coexistence matrixWhat Twilio customers look like
Anonymised profiles of companies in our Twilio dataset of 64,776+ accounts. Named accounts are shared in your free sample, never on a public page.
| Company size | Industry | Country | Employees | Revenue |
|---|---|---|---|---|
| SMB | Marketplaces | Australia | 50–199 | $10M–$50M |
| Enterprise | Fintech | United States | 10,000+ | $5B+ |
| Mid-market | Healthcare | United States | 500–999 | $100M–$250M |
| Mid-market | Retail & E-Commerce | United Kingdom | 200–999 | $50M–$250M |
| Enterprise | Marketplaces | United States | 5,000+ | $1B+ |
| Upper mid-market | Fintech | Canada | 1,000–4,999 | $250M–$1B |
| SMB | Healthcare | Germany | 50–199 | $10M–$50M |
| Enterprise | Retail & E-Commerce | United States | 10,000+ | $5B+ |
Plus 170 more countries. Ask for a country-by-country count of Twilio accounts and we'll include it with your free sample.
Build the list your way
Every list is assembled from source to your product tier, job function, geography and revenue band. Nothing is a fixed export.
Filter by what they actually run.
Match revenue, size and industry.
Target any territory.
What Twilio teams are struggling with
Know the friction before you reach out, and position your product where it matters.
A2P 10DLC and messaging compliance
Messaging costs
Fraud in verification
“The accuracy of their technographic data was outstanding. Every AWS contact we reached out to was actively running live production clusters.”
Twilio list questions, answered
How many companies use Twilio?
Data InfoMetrix tracks 64,776 companies using Twilio, with 431,664 verified contacts at those accounts as of October 2026. The largest groups are Fintech, Healthcare and Retail & E-Commerce. Counts are estimates from our database and market research, so ask us for a live count for your exact criteria.
Who buys and manages Twilio inside a company?
Twilio is usually owned by Customer Communications APIs. Decision-makers include CTO, VP of Product and Chief Customer Officer; Messaging Product Manager and Contact Center Tech Lead shape the choice, and Developers and CX Agents use it day to day. Our Twilio list can include any of these roles.
Which Twilio products or editions can I target?
You can target accounts by the Twilio products they run, including Twilio Messaging (SMS, WhatsApp), Twilio Voice, Twilio Verify, Twilio Flex (Contact Center) and Twilio SendGrid Email. Tell us which edition or module matters and we filter the list to those accounts.
What other software do Twilio customers use?
Twilio customers commonly also run Salesforce, Segment, Zendesk, AWS and HubSpot. We can filter any list by this kind of stack overlap.
What are the main alternatives to Twilio?
The main alternatives to Twilio are Vonage, Sinch and MessageBird (Bird). We also keep verified user lists for Vonage, which is useful for competitive displacement campaigns.
When are Twilio customers most likely to buy?
Buying triggers we track for Twilio accounts include messaging volume growth, contact centre rebuild, CPaaS contract renewal and fraud spike. A common pain point is A2P 10DLC and messaging compliance: carrier rules block unregistered traffic.
Can Data InfoMetrix deliver a free sample Twilio contact list before ordering?
Yes. Data InfoMetrix delivers a complimentary 10-record sample tailored to your target Twilio criteria—including target job titles, company size, and region—delivered within one business day with no obligation.
How does Data InfoMetrix guarantee email deliverability for Twilio contacts?
Data InfoMetrix provides a 99% email deliverability guarantee on all Twilio datasets. Every contact record undergoes real-time email verification within a 30 to 45-day refresh cycle, backed by a 1:1 hard bounce replacement policy for 30 days after delivery.
Sourcing and compliance. Business contacts come from public company sources, professional directories and opt-in publishing partners, then go through SMTP verification and human review. Lists are for B2B outreach: include an unsubscribe link and honour opt-outs (CAN-SPAM), and have a lawful basis such as legitimate interest when you email people in the EU or UK (GDPR). Read how we source and verify data
Get your Twilio users list
Tell us your titles, regions and company size. We'll send counts, a quote and a free 10-record sample.
Related lists
Alternatives to Twilio, tools its customers also run, and more DevOps & Cloud Infrastructure lists.

