Key Stats
- Headquarters: Monroe, Louisiana, United States
- Founded: 1930 (as Oak Ridge Telephone Company)
- Employees: 24,000 (2024)
- Market Cap: $8.19 billion (February 2026)
- Revenue: $13.1 billion (2024)
CenturyLink operates as a subsidiary brand under Lumen Technologies, an American telecommunications company headquartered in Monroe, Louisiana. The company provides network, security, cloud, voice, and managed communications services through its fiber optic and copper networks.
CenturyLink serves residential and small business customers with internet, voice, and digital TV services. The brand traces its origins to 1930 when William Clarke and Marie Williams purchased the Oak Ridge Telephone Company for $500. Today, Lumen Technologies operates one of the largest fiber optic networks in North America, spanning over 450,000 route miles.
The company rebranded from CenturyLink to Lumen Technologies in September 2020. CenturyLink remains the customer-facing brand for traditional copper-based services, while fiber-based products use the Quantum Fiber brand.
CenturyLink Co-founders
CenturyLink Marketcap
CenturyLink’s parent company Lumen Technologies has a market capitalization of approximately $8.19 billion as of February 2026. The stock trades on the New York Stock Exchange under the ticker symbol LUMN.
Market cap experienced substantial volatility over the past decade. The company reached lows in 2023 before recovering in 2024 and 2025 as investors responded to the turnaround strategy and AI infrastructure investments.
CenturyLink Revenue
Lumen Technologies generated $13.1 billion in revenue during 2024, continuing a multi-year decline from peak levels. Revenue peaked at $22.58 billion in 2018 following the Level 3 Communications acquisition.
The company faces challenges from declining legacy services while investing in growth areas like enterprise networking and AI connectivity. Analysts expect revenue to stabilize around $12.4 billion in 2025.
CenturyLink History
CenturyLink Acquisitions
CenturyLink grew through strategic acquisitions spanning nearly a century. The acquisition strategy transformed it from a small rural telephone operator into one of the largest telecommunications providers in the United States.
The 1997 acquisition of Pacific Telecom marked the beginning of major expansion. This $1.5 billion deal added 1.9 million cell lines and nearly doubled the company’s size. Century Telephone grew its network to serve 21 states following this transaction.
Embarq Corporation joined the company in 2009 through a $6 billion stock-for-stock transaction. This deal created CenturyLink and established it as the largest independent telecommunications provider in the nation. The combined entity served 7.5 million access lines across 33 states.
The Qwest Communications acquisition in 2011 represented another transformational moment. The $12 billion merger made CenturyLink owner of US West, a former Regional Bell Operating Company. This deal added 17 million access lines and positioned the company as the third largest telecom provider in the US.
Savvis joined the portfolio in 2011 for $2 billion, bringing cloud infrastructure and hosted IT services capabilities. This acquisition supported expansion into managed hosting and cloud computing markets.
Level 3 Communications represented the largest acquisition in company history. The $25 billion deal closed in November 2017 and dramatically expanded enterprise fiber network capabilities. This merger brought together extensive fiber optic infrastructure and strengthened the company’s position serving large enterprise customers.
Additional acquisitions included Tier 3 (2013), DataGardens (2014), Cognilytics (2014), netAura (2016), SEAL Consulting (2017), and Streamroot (2019). Each added specific capabilities in areas like cloud management, disaster recovery, analytics, cybersecurity, and content delivery.
CenturyLink Competitors
CenturyLink competes with major telecommunications and technology companies across multiple market segments. In the enterprise space, the company faces competition from network providers and cloud service companies.
| Competitor | Primary Focus | Headquarters |
|---|---|---|
| AT&T | Wireless, wireline, broadband | Dallas, Texas |
| Verizon Communications | Wireless, 5G, enterprise networking | New York, New York |
| Comcast | Cable, broadband, enterprise services | Philadelphia, Pennsylvania |
| Cox Communications | Cable, broadband, business services | Atlanta, Georgia |
| Frontier Communications | Fiber broadband, voice services | Dallas, Texas |
| Windstream Holdings | Rural broadband, enterprise networking | Little Rock, Arkansas |
| Cogent Communications | Internet services, fiber networks | Washington, D.C. |
| Zayo Group | Fiber infrastructure, bandwidth | Boulder, Colorado |
| Crown Castle | Telecommunications infrastructure | Houston, Texas |
| Equinix | Data centers, interconnection | Redwood City, California |
FAQs
What is CenturyLink called now?
CenturyLink rebranded to Lumen Technologies in September 2020. The CenturyLink brand continues for residential and small business copper-based services, while Quantum Fiber is used for fiber internet products.
Who founded CenturyLink?
William Clarke Williams and Marie Williams founded the company in 1930 when they purchased Oak Ridge Telephone Company in Louisiana. Their son Clarke McRae Williams received it as a wedding gift in 1946.
Is CenturyLink a Fortune 500 company?
Yes, Lumen Technologies (formerly CenturyLink) has been listed among the Fortune 500 companies. The company was included in the S&P 500 index before moving to the S&P 600 in March 2023.
What was CenturyLink’s largest acquisition?
CenturyLink’s largest acquisition was Level 3 Communications in 2017 for $25 billion. This deal expanded the company’s enterprise fiber network and data center capabilities across multiple continents.
Where is CenturyLink headquarters located?
CenturyLink’s parent company Lumen Technologies is headquartered in Monroe, Louisiana. The company has maintained its corporate headquarters in Louisiana since the founding of Oak Ridge Telephone Company.

