Greater Phoenix Economic Council President and CEO Chris Camacho often talks about how Metro Phoenix has evolved into a “tech hub.” Nowhere is that evolution more evident than in the explosive growth of software companies in the Valley. Here are Arizona’s 20 biggest software companies — based on employee count and in alphabetical order — according to Gregslist.

AFS Technologies

What it does: Retail promotion management for consumer products companies

CEO: Joe Bellini

Axon (formerly Taser International)

What it does: Evidence management software and devices for law enforcement

CEO: Rick Smith


What it does: Enterprise integration and EDI technologies

CEO: Patrick Donovan


What it does: Software platform for the healthcare industry

Chairman and CEO:  Brent Shafer

Digital Air Strike

What it does: Digital marketing management tools for small businesses

Co-founder and CEO: Alexi Venneri

Early Warning Services

What it does: Payment and risk protection solutions for financial institutions

CEO: Paul Finch

Enghouse Interactive (Syntellect)

What it does: Multi-channel call center and unified communciations software

Chairman and CEO:  Steve Sadler


What it does: Freight brokerage and trucking logistics

Chairman and CEO:  Renee Krug


What it does: Website domain registration and small business marketing tools

CEO: Aman Bhutani

International Cruise & Excursion

What it does: Platform manages reward programs for the travel industry

CEO and co-founder: John Rowley


What it does: Project management software suite for capital-intensive industries

Chief product officer: Brad Barth


What it does: Supply chain logistics and retail planning software

CEO: Girish Rishi

Keap (formerly Infusionsoft)

What it does: Sales and marketing automation for small businesses

CEO: Clate Mask


What it does: Unified communications software for businesses

CEO and co-founder: Tomas Gorny


What it does: Full-service home buyer with software platform

CEO and co-founder: Brian Bair


What it does: Integrated CRM and CMS for destination marketing companies

CEO: Ryan George


What it does: SARs, consent and data privacy management

CEO: Kal Somani

Verra Mobility

What it does: Traffic, fleet and vehicle management solutions

CEO: David Roberts


What it does: Asset and facilities management software and services

President and CEO: Jim Reavey


What it does: Electronic medical records software and billing for physical therapists

Co-founder and chief clinical officer: Heidi Jannenga