CTO Email List: Top 7 Providers for 2026
Compare the best CTO email list providers for 2026. Evaluate data quality, deliverability, and automation. Get started with 11x.
Reaching chief technology officers shouldn't mean gambling on bad contact data. Yet most sales teams waste hours chasing outdated email addresses or see campaigns bounce before they even reach inboxes. Nearly 75% of B2B marketers report their lead data is inaccurate, outdated, or non-compliant, creating friction at every stage of the sales lifecycle. For teams targeting decision-makers who shape purchasing decisions on cybersecurity, software, and infrastructure, the cost of poor data is immediate and measurable.
This guide compares leading providers across data accuracy, deliverability rates, CRM integration, and automation capabilities. You'll learn which platforms deliver verified contact information at scale, and how tools like 11x go beyond static lists to automate outreach, qualification, and booking across email and phone.
What Is a CTO Email List?
A CTO email list is a curated contact database containing verified business email addresses, phone numbers, and firmographic details for technology executives across industries. These lists help sales teams build high-quality lead lists to identify key decision-makers responsible for technology purchasing within target accounts. Providers compile these databases through data sources including opt-in directories, company websites, LinkedIn, social media, and third-party partnerships.
Most databases include segmentation options by company size, industry vertical (healthcare, cybersecurity, finance), geography (APAC, Australia, USA), employee size, NAICS code, and SIC code. The quality and accuracy directly impact deliverability rates, conversion rates, and pipeline velocity. Unlike a free list of CEO email addresses or public email address lists found online, professional providers maintain active email address lists through continuous verification and compliance frameworks.
Why Look for CTO Email List Alternatives?
GTM teams evaluating providers face common friction points that impact campaign performance. Data accuracy varies widely across vendors, with some offering verification processes that reduce bounce rates while others deliver outdated information. Research shows that 55% of respondents find their current tools inadequate for data cleansing and enrichment.
Integration depth with existing systems like Salesforce and HubSpot determines how efficiently data flows into sales workflows. Providers offering manual CSV exports create more work than those with native CRM connectors. GDPR and CAN-SPAM compliance becomes critical when targeting C-level executives internationally, yet only 31% of organizations express complete confidence in their compliance efforts. For teams seeking automation beyond static lists, understanding lead generation strategies for technology companies becomes essential to convert contact data into a pipeline.
Our Evaluation Methodology
Our methodology prioritizes neutral, criteria-driven analysis: 90% objective feature comparisons, 10% strategic insights from GTM experience. Each evaluation considers enterprise readiness, integration depth, and measurable ROI potential. Selection criteria include coverage across the complete sales lifecycle, AI sophistication, multichannel capabilities, integration quality, governance features, and proven customer outcomes. Tools are evaluated on data accuracy through verification processes, deliverability protection, segmentation options, pricing transparency, automation scope, and compliance with GDPR, CCPA, and CAN-SPAM regulations.
Comparison of Data Types, Accuracy, Integrations, Automation Capabilities, and Pricing
The providers below vary widely in data quality, automation depth, and integration capabilities. To help you evaluate options quickly, we've compared the leading CTO email list providers across five critical dimensions: the types of contact data they offer, their verification and accuracy standards, native CRM integrations, automation capabilities beyond static lists, and transparent pricing models. This side-by-side view highlights where each platform excels and where gaps require additional tools or manual effort.
Top 7 CTO Email List Providers
The providers below vary in focus—from static lists requiring manual upload to platforms offering integration, deliverability tools, and autonomous execution. Each suits different team needs based on data volume requirements, automation maturity, and desired level of sales cycle coverage.
1. 11x
11x provides two autonomous AI sales agents: Alice for outbound prospecting and Julian for inbound phone qualification. Together, they function as digital workers that manage research, outreach, lead engagement, and qualification without human intervention. Unlike traditional providers that deliver static contact lists, 11x combines data intelligence with autonomous action, automatically tracking SDR metrics without manual oversight.
11x Key Features:
- Alice (AI SDR): Conducts outbound prospecting across email and LinkedIn to secure qualified meetings
- Julian (AI Phone Agent): Calls inbound leads within seconds and qualifies them through natural conversations
- Autonomous Operation: Completes research, outreach, follow-ups, and lead qualification independently
- Advanced Data Sources: Connects to 21+ elite data providers with real-time signals
- CRM Integration: Syncs with Salesforce, HubSpot, and Pipedrive with bi-directional data flow
- Global Language Support: Engages prospects in more than 100 languages
- Enterprise-Ready: SOC 2 Type II, GDPR, CASA Tier 3, CCPA compliant
Pros and Cons of 11x
Best Fit:
11x is ideal for the GTM teams, replacing SDR and contact-center tasks with continuous AI execution. Compared to static providers or CEO mailing lists requiring manual outreach, 11x autonomously identifies, engages, and qualifies technology leaders. While data providers deliver contact information, they leave execution to your team. 11x automates the complete journey from enrichment through qualification.
Results:
Teams report 50% decrease in cost per lead, 80% increase in meeting-to-qualified opportunity conversion, and 30% increase in meetings booked per account executive. Gupshup saw a 50% increase in SQLs per SDR after adopting Alice, enabling a 1.5× boost in output per rep without increasing headcount.
Pricing:
Custom enterprise plan with usage-based tiers tied to lead volume and integration scope.
2. ZoomInfo
ZoomInfo combines a massive B2B data provider with firmographic, technographic data, and intent signals. The platform provides verified email addresses, direct dial phone numbers, and organizational charts to map buying committees. With over 500 million contact profiles, ZoomInfo offers comprehensive database coverage for enterprise B2B teams.
ZoomInfo Key Features:
- Comprehensive database with 500 million contact profiles
- Direct dial phone numbers verified through AI and human review
- Intent data tracking to identify actively researching executives
- Org charts showing reporting structures by job title
- Native integrations with Salesforce, HubSpot, Marketo
Pros and Cons of ZoomInfo
Best Fit:
ZoomInfo works well for established B2B teams needing broad, enriched contact databases with intent signals. However, it requires separate tools for outreach execution. 11x pairs verified data with AI agents that handle personalized outreach and qualification automatically, converting mailing lists into scheduled meetings without manual intervention.
Pricing:
Custom enterprise contracts start around $15,000 annually, based on seats and data access.
3. Lusha
Lusha provides fast access to business email and phone numbers through a browser extension, emphasizing direct dials and email verification. The platform allows individual contributors and small teams to build contact lists directly from LinkedIn profiles and company websites through point-and-click prospecting.
Lusha Key Features:
- Browser extension surfaces email addresses and phone numbers on LinkedIn
- Contact database with verification workflows to reduce bounce rates
- API enrichment for automated updates in CRM systems
- Integrations with Salesforce and HubSpot
- Credit-based pricing with team management controls
Pros and Cons of Lusha
Best Fit:
Lusha suits small teams needing quick access during prospecting without enterprise budgets. However, list building and outreach still require manual effort. 11x automates multichannel engagement and qualification once contacts are sourced, freeing your team to focus on closing deals.
Pricing:
Free tier available; paid plans from $29 per user per month.
4. Cognism
Cognism focuses on GDPR-compliant B2B data with verified mobile numbers for key decision-makers. The platform emphasizes phone-verified contact information and compliance processes to improve connect rates without regulatory risk across international markets, with particularly strong European coverage.
Cognism Key Features:
- Phone-verified contact data with 87% accuracy for mobile numbers
- GDPR, CCPA, and CAN-SPAM compliance frameworks are built into data collection
- Chrome extension for prospecting executives directly from LinkedIn
- Intent data integration for identifying in-market accounts
- Native integrations for enrichment and automated routing
Pros and Cons of Cognism
Best Fit:
Cognism serves teams requiring compliant calling lists with verified phone numbers. However, contact data alone doesn't execute campaigns. 11x converts enriched lists into autonomous outreach and qualification. While Cognism provides verified mobile numbers for compliant calling, 11x's Julian agent makes those calls instantly, qualifies prospects through natural conversations, and books meetings automatically.
Pricing:
Custom annual contracts; contact sales for pricing based on seats and data scope.
5. Lake B2B
Lake B2B offers pay-per-contact lists with segmentation by industry, company size, and geography. The provider compiles lists from opt-in sources and public directories, delivering datasets in CSV formats for manual import to systems.
Lake B2B Key Features:
- Mailing list with segmentation by industry vertical
- Filtering options by company name, employee size, and geographic region
- CSV and Excel formats for manual upload
- Custom list building based on target audience specifications
- Periodic validation to maintain accuracy
Pros and Cons of Lake B2B
Best Fit:
Lake B2B works for teams needing affordable, segmented lists with manual campaign management. However, static lists require significant effort to validate, upload, and engage. 11x automates verification and outreach, maintaining deliverability while scaling personalized engagement autonomously.
Pricing:
Contact for per-record pricing based on list size and segmentation criteria.
6. Infotanks
Infotanks provides email address lists compiled from business directories, partnerships, and data aggregation. The vendor offers contact databases for C-level executives with basic filtering by job title and company size. Free sample datasets allow quality evaluation before purchase.
Infotanks Key Features:
- Email list with contact information, including business email and phone numbers
- Segmentation by company size, industry, and geographic region
- CSV download for manual import to marketing campaigns
- Free sample datasets available for quality evaluation
- Quarterly validation process for accuracy
Pros and Cons of Infotanks
Best Fit: Infotank suits budget-conscious teams willing to handle manual list management. However, static lists don't adapt to engagement signals or optimize delivery. 11x pairs databases with AI agents that personalize messaging, manage follow-ups, and qualify leads automatically across email and phone.
Pricing:
Contact for pricing based on list size and segmentation requirements.
7. DataCaptive
DataCaptive offers technology executive lists with email addresses, mailing addresses, and phone numbers across industries. The provider maintains datasets with periodic updates covering technology executives across company sizes, from startups to Fortune 500 enterprises.
DataCaptive Key Features:
- Email database covering technology executives across company sizes
- Contact information includes business email, phone number, and direct mail addresses
- Segmentation by industry vertical, geography, and employee size
- CSV and Excel formats for manual upload
- Quarterly data validation and verification process
Pros and Cons of DataCaptive
Best Fit:
DataCaptive suits teams needing multi-channel data, including direct mail addresses. However, static lists require manual validation and import. 11x automates verification, enrichment, and multichannel engagement, maintaining accuracy while executing personalized outreach autonomously.
Pricing:
Contact for pricing based on list size, segmentation criteria, and data scope.
How to Choose the Right CTO Email List Provider
Selecting the optimal CTO email list provider requires evaluating several factors that directly impact campaign performance and pipeline efficiency for your sales team:
- Data accuracy and verification process. Prioritize providers with documented verification methods that reduce bounce rates and protect deliverability rates. Look for platforms that validate business email syntax, domain existence, and mailbox status, with continuous refresh cycles for their CTO email database. High-quality contact data maintains accuracy above 90%, ensuring your email campaigns reach key decision-makers rather than invalid addresses.
- Segmentation and targeting capabilities. Evaluate whether the CTO contact database offers filtering by company size, employee size, industry vertical, geographic region (including APAC and Australia), NAICS code, SIC code, and technology stack. Advanced segmentation enables precise targeting of chief technology officers and technology leaders in healthcare, cybersecurity, or other markets relevant to your target audience.
- Integration depth with your CRM and sales tools. Native integrations with Salesforce, HubSpot, and marketing automation platforms eliminate manual CSV uploads and ensure contact information flows seamlessly into workflows. Bi-directional sync keeps CTO email addresses and phone numbers updated across systems, allowing your sales team to focus on outreach rather than data entry.
- Compliance and data governance. Verify that the provider maintains GDPR, CCPA, and CAN-SPAM compliance, especially when targeting C-level executives in regulated industries or international markets. Reputable vendors document their data sources, lawful processing basis through opt-in mechanisms, and opt-out procedures to reduce legal risk.
- Automation beyond static contact lists. Consider whether you need basic contact data or a platform that executes outreach, follow-up, and qualification automatically. Static CTO email address lists require significant manual effort to convert into a pipeline, while autonomous platforms handle personalization, multichannel engagement across email marketing, LinkedIn, and social media, plus lead qualification to streamline your marketing campaigns.
- Pricing transparency and formats. Compare pay-per-contact models, subscription tiers, and enterprise contracts against your expected lead volume and conversion rates. Evaluate whether providers offer free sample datasets for quality testing. Check available formats like CSV for easy import, and factor in hidden costs like verification tools and the SDR hours required to work static contact databases into booked meetings and business growth.
- Deliverability protection and quality data standards. Providers that offer deliverability monitoring, inbox placement optimization, and reputation management help maintain high delivery rates for email campaigns. Look for B2B data providers that validate contact lists through multiple data sources, including company websites, directories, and partnerships, rather than relying on outdated datasets.
- Multichannel contact information depth. Comprehensive CTO email lists should include business email addresses, direct phone numbers, mailing addresses for direct mail campaigns, job titles, company names, and firmographic details. Advanced providers enrich contact databases with intent signals and real-time updates to technology executives' roles, enabling more effective marketing strategies and decision-making around which decision-makers to prioritize for lead generation.
For teams seeking more than contact data, 11x provides autonomous execution that converts CTO email addresses into scheduled meetings. Rather than purchasing static lists that require manual outreach, Alice and Julian handle research, personalization, multichannel engagement across email and LinkedIn, and qualification automatically, turning contact databases into measurable pipeline growth without expanding headcount.
Turn Contact Data Into Revenue With the Right Provider
Selecting a CTO email list provider comes down to matching data quality, compliance standards, and automation capabilities to your team's sales motion and budget. Traditional providers deliver verified contact databases, but converting those lists into a pipeline still requires significant manual effort across research, personalization, outreach, and qualification, nearly half of marketing teams spend more than ten hours monthly on data hygiene and lead management alone.
11x eliminates this gap by combining enriched contact data from 21+ elite providers with autonomous AI agents that execute the complete workflow. Alice handles outbound prospecting across email and LinkedIn with personalized messaging, while Julian qualifies inbound leads through instant phone calls, ensuring no high-intent technology executive goes unengaged. Teams report a 50% decrease in cost per lead, 80% increase in meeting-to-qualified opportunity conversion, and 30% increase in meetings booked per account executive.
Ready to transform static contact lists into scheduled meetings on autopilot? Book a demo with 11x to see how autonomous digital workers turn CTO email addresses into measurable revenue growth.
Frequently Asked Questions
A CTO email list is a curated database of verified contact information for chief technology officers, including business email addresses, phone numbers, and firmographic details like company size and industry. High-quality lists include segmentation to support targeted email marketing campaigns and outreach to key decision-makers.
11x goes beyond static CTO contact databases by connecting to 21+ data providers enriched with real-time signals and buying intent. Alice autonomously researches technology executives, personalizes engagement across email and LinkedIn, and books qualified meetings continuously.
Pricing varies by provider and quality data. Pay-per-contact vendors charge $0.10 to $1.00 per CTO email address. Subscription providers start around $29 monthly, while enterprise platforms require custom contracts starting near $15,000.
Total cost extends beyond purchase to include verification processes, CRM integration, and campaign management. 11x pricing follows custom enterprise models, delivering ROI through autonomous execution that converts contact data into meetings without manual overhead.
CTO mailing lists are available through B2B data providers like ZoomInfo, Lusha, Cognism, Lake B2B, iInfotanks, and DataCaptive. These vendors compile contact databases through opt-in directories, company websites, LinkedIn profiles, partnerships, and data aggregation.
Avoid free sample downloads that damage deliverability rates. 11x provides autonomous AI agents that access continuously enriched contact information with automated outreach and qualification across email, social media, and phone channels.
GDPR compliance depends on the provider's data collection methods, lawful basis, and governance controls. Reputable providers maintain documented compliance frameworks, including opt-in verification and opt-out mechanisms. Research shows only 31% of organizations express complete confidence in their compliance efforts.
When purchasing CTO contact lists for European markets, verify the provider documents data sources and maintains lawful processing. 11x maintains GDPR, CCPA, CAN-SPAM, and SOC 2 Type II compliance certifications, ensuring all autonomous outreach aligns with international regulations.
Email verification involves checking syntax validity, domain existence, and deliverability status to reduce bounce rates and protect sender reputation. Free tools offer basic validation, while enterprise platforms include verification workflows. Nearly 55% of teams find their current tools inadequate for data cleansing.
11x verifies CTO email addresses through actual engagement signals. Alice tracks delivery, open rates, and reply patterns in real time, adjusting contact quality scores based on behavior for higher accuracy than batch validation methods.
