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C

CalixSoftware Development · 1001-5000 · B2B contacts & data

5,000 Employees
1999 Founded
$100M Total Funding
Software Development Industry
Software Development United States B2B Est. 1999

Company Overview

Sector Technology, Information and Media
Headcount 5,000 employees (1001-5000)
Company type Public company
Revenue $1.1B
Headquarters United States
Website calix.com
Last updated 31 Jul 2026

Departments actively hiring 2 departments

Engineering and technical
Human resources

These departments at Calix are actively recruiting: a strong signal to time your outreach.

Funding

Last round Other · $0
Total funding $100M (4 rounds)
Series B N/A Jun 2000
Series E $50M Feb 2003
Venture Round $50M Aug 2009
Post-IPO Equity N/A Mar 2010

About Calix

Calix is a business specialised in Software Development, based in United States. Founded in 1999, the company employs approximately 5,000 people. As part of the broader Technology, Information and Media sector, Calix operates specifically in the Software Development segment. Calix sells primarily to other businesses (B2B) rather than to end consumers. The company has secured 4 rounds of funding totalling $100M. Annual revenue is estimated at around $1.1B. This profile compiles key information about Calix, including industry, size, location, business signals, and B2B contacts, to help sales teams qualify the account and identify the right decision makers before reaching out.

Activity & Market

The company evolves in the Software Development segment of the Technology, Information and Media sector. As a B2B company, Calix primarily serves business clients and professional organisations. In terms of structure, it is registered as “Public company”.

Decision Makers at Calix

21C-Level 99VP 101Heads
Decision maker Email Phone

Zeliq has found 221 decision makers at Calix. Create a free Zeliq account to access their verified emails and direct phone numbers.

See 221 decision makers on Zeliq →

New decision makers last 6 months

2C-Level 7VP 3Heads

12 new decision makers joined Calix in the last 6 months, a strong signal to time your outreach.

Contact the new decision makers on Zeliq →

Team Structure headcount by department

Technical
676
Sales
248
Other
161
Operations
89
Customer Service
78
Marketing
69
Project Management
57
Finance
54

How to prospect Calix's departments

Technical

First department of the company by headcount (676 people), with hiring underway. Skip the marketing speak: these decision makers expect precise use cases, documentation and a quick proof of value.

Sales

The company's second-largest department (248 people). Sales leaders respect good selling: a sharp, well-researched approach is your best credential.

Other

This department counts 161 people. Mixed profiles gather here: a discovery-first approach works better than a packaged pitch.

Operations

89 people work in this department. Pitch measurable time savings and error reduction: the metrics this function is judged on.

Customer Service

A team of 78 people. Ticket volume and support tooling are structural topics worth raising early in the conversation.

HR

Hiring is underway in this team of 34 people. HR teams are heavily solicited by vendors: differentiate with proof, references and numbers rather than promises.

FAQ Calix

What industry does Calix operate in?

Calix operates in the Software Development industry, specifically in the Technology, Information and Media category.

How many employees does Calix have?

Calix has approximately 5,000 employees (in the 1001-5000 range). This figure is an estimate to help qualify the account, not a legally certified number.

How do I find contacts at Calix?

Zeliq lets you identify decision makers at Calix, enrich their professional contact details (verified emails and direct phone numbers), and launch targeted multichannel prospecting sequences.

Where is Calix headquartered?

Calix is headquartered in United States.

Which departments are hiring at Calix?

Hiring is currently active at Calix in these departments: Engineering and technical, Human resources. A useful signal to prioritise and time your prospecting.

Why use this data before prospecting Calix?

With Calix's firmographics and business signals at hand, you can prioritise the account, personalise your approach, and contact the right people straight away.