Major Corporations in Arizona: Business Landscape Guide
August 10, 2025 by JoyAnswer.org, Category : Business
What are the major corporations in Arizona? Discover the major corporations operating in Arizona. This article covers leading industries, key companies, and their contributions to Arizona’s economic growth and job creation.
What are the major corporations in Arizona?

Major Corporations in Arizona
1. Fortune 500 & Notable Headquarters
As of 2024, Arizona boasts 10 Fortune 500 companies, including:
Avnet (ranked No. 157) – electronics distributor Axios
Freeport-McMoRan, Republic Services, Carvana, Insight Enterprises, Microchip Technology, ON Semiconductor, Taylor Morrison Home, Knight-Swift Transportation Holdings Axios
Other long-standing Fortune 500 names include Avnet, Freeport-McMoRan, Republic Services, Insight Enterprises, ON Semiconductor, and Taylor Morrison Home AZ Big Media.
2. Top Employers by Headcount
Based on the latest ranking of non-government employers in Arizona:
Banner Health – Healthcare; 45,000+ employees; state’s largest employer AZ Big MediaWikipedia
Walmart – 37,600+
Amazon – 36,000+
Kroger (Fry’s) – ~19,800
HonorHealth, McDonald’s, Albertsons, Dignity Health, Wells Fargo, Intel, CVS Health, Mayo Clinic, Raytheon, Home Depot, Target, Freeport-McMoRan (10,100+) AZ Big Media
3. Largest Arizona-Based Corporations
By global employee counts:
PetSmart (Phoenix) – ~53,000
Banner Health – ~50,000
Circle K (Tempe) – ~40,000
ON Semiconductor – ~36,000
Republic Services – ~35,000
Sprouts Farmers Market – ~30,000
Freeport-McMoRan – ~30,000
Amkor Technology (Tempe) – ~29,300
Apollo Education Group – ~28,000 AZ Big Media
4. Key Industry Headquarters
ON Semiconductor – Headquartered in Scottsdale; ~26,000 employees Wikipedia
Insight Enterprises – Tempe-based IT firm; $10B+ in revenue, 15,000 employees Wikipedia
Amkor Technology – Tempe; semiconductor packaging & testing; ~31,000 employees globally Wikipedia
Meritage Homes – Scottsdale; home-building; notable national presence Wikipedia
Western Alliance Bancorporation – Phoenix-based regional bank holding company Wikipedia
5. Semiconductor Growth & Investment
Arizona is becoming a semiconductor hotspot:
TSMC is investing over $65 billion in chip fabs in Arizona, supported by $6.6 billion in federal subsidies. This marks the largest foreign direct investment in U.S. history and will create thousands of jobs ReutersThe Wall Street Journal.
ASM International, a semiconductor equipment manufacturer, is building a new North American HQ in Scottsdale with a $300 million investment Axios.
Overview by Category
Sector | Highlight Companies |
---|---|
Retail/E-commerce | PetSmart, Amazon, Walmart, Carvana, Sprouts |
Healthcare | Banner Health, HonorHealth, Mayo Clinic, Dignity Health |
Semiconductors & Tech | ON Semiconductor, Amkor Technology, Insight Enterprises, TSMC investment, ASM Intl. |
Mining & Materials | Freeport-McMoRan |
Logistics & Services | Republic Services, Knight-Swift Transportation |
Real Estate & Homebuilding | Taylor Morrison, Meritage Homes |
Banking & Financial Services | Western Alliance Bancorp., Wells Fargo, JP Morgan |
Takeaways
Arizona’s corporate landscape is highly diversified, spanning healthcare, retail, semiconductors, financial services, and real estate. The state’s burgeoning semiconductor sector, in particular, is drawing massive investment and positioning Arizona as a tech industry hub.
Major Corporations in Arizona and Their Impact
Arizona has a vibrant and growing economy, anchored by several major corporations that have a significant impact on the state. These companies operate in diverse sectors, from technology and finance to retail and aerospace, contributing to job creation, economic growth, and community development.
Major Corporations Based in Arizona
Arizona is home to a number of large, well-known companies. Some of the most prominent include:
Freeport-McMoRan: A leading international mining company with headquarters in Phoenix. It's one of the world's largest producers of copper and molybdenum.
PetSmart: The largest specialty pet retailer in the United States, also headquartered in Phoenix.
Avnet: A global distributor of electronic components, enterprise computing, and embedded systems, with its corporate headquarters in Phoenix.
First Solar: A global provider of solar energy solutions, specializing in the design and manufacture of thin-film photovoltaic (PV) modules. The company is headquartered in Tempe.
Republic Services: A major provider of environmental services, including solid waste collection, transfer, and recycling. Its corporate office is in Phoenix.
Insight Enterprises: A Fortune 500 company providing hardware, software, and IT services to businesses. The company is headquartered in Tempe.
Pinnacle West Capital Corporation: The parent company of Arizona Public Service (APS), the state's largest electric utility. Its headquarters are in Phoenix.
Impact on the Local Economy
These corporations have a profound impact on Arizona's local economy. They are major employers, providing thousands of jobs directly and indirectly through their supply chains. Their presence attracts other businesses and talent to the state, fostering a cycle of growth. For example, a company like Freeport-McMoRan not only employs a large workforce but also supports a network of suppliers and contractors in the mining and logistics sectors. Similarly, PetSmart's headquarters in Phoenix supports a wide range of administrative, marketing, and logistics roles. The operations of companies like Pinnacle West are critical to the state's infrastructure and development.
Sectors of Operation
The corporations based in Arizona operate in a wide variety of sectors, which contributes to a diversified and resilient economy. Key sectors include:
Technology and Electronics: Companies like Avnet and Insight Enterprises are central to the tech industry, distributing components and providing IT solutions globally. This positions Arizona as a hub for technology and innovation.
Mining: Freeport-McMoRan is a dominant player in the mining sector, a historical cornerstone of Arizona's economy.
Retail: PetSmart represents the strong retail presence in the state, drawing on a large consumer base.
Energy and Utilities: First Solar and Pinnacle West are key players in the energy sector, contributing to both renewable energy advancements and the state's power infrastructure.
Environmental Services: Republic Services is a leader in environmental and waste management, a crucial service for the state's growing population.
Growth and Evolution Over Time
Many of these corporations have experienced significant growth and evolution. Companies like Avnet, which started in the 1920s, have adapted from a small business to a global tech distributor. First Solar has grown from a startup to a world-renowned leader in solar technology, reflecting the increasing importance of renewable energy. This growth is often fueled by strategic acquisitions, expansion into new markets, and innovation. The state of Arizona's business-friendly environment and skilled workforce have also been key factors in helping these companies expand their operations.
Contributions to the Community
Beyond their economic impact, these corporations are also significant contributors to the local community. They often support local charities, educational programs, and community initiatives. For instance, PetSmart is well-known for its partnerships with animal welfare organizations. Many of these companies also invest in sustainability efforts and initiatives that benefit the environment and local residents. By sponsoring community events and supporting local non-profits, these companies enhance the quality of life for Arizonans and build strong, positive relationships within the communities where they operate.