CallSource

callsource.com

information services

callsource.com

Westlake Village, California, United States

51-200 employees

18400000 revenue

LinkedIn Profile

About CallSource

call tracking, lead scoring, healthcare, telephone performance analysis, home services, vanity numbers, attribution, dynamic number insertion, call dispositions, call analytics, call performance metrics, b2c, call coaching, call data visualization, services, call data integration, call outcome tracking, call source tracking, online reputation, legal

CallSource's Tech Stack

Decision Makers at CallSource

1 contact

Berghof

Senior Vice President of Engineering

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28 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

CallSource's Position in the StackWho Database

• CallSource is 1 of 3,123 information services companies tracked in StackWho.
• 3,108 information services companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 158 information services companies are in the 51-200 employee range (same size as CallSource).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does CallSource use?

CallSource uses Amazon CloudFront, Salesforce, Route 53, Mailchimp Mandrill, SparkPost, Outlook, and 22 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at CallSource?

StackWho has verified email addresses for 1 decision maker at CallSource. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach CallSource directly for sales, recruiting, or partnerships.

What industry is CallSource in?

CallSource operates in the information services industry, headquartered in Westlake Village, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export CallSource's contact data?

Yes. StackWho Pro members can export decision maker contact data for CallSource and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.