The fourth-quarter 2024 earnings reporting season has begun, and Lightwave+BTR is tracking how key players in the optical networking industry segment—which includes optical vendors and business service providers—performed.
Please check here for updates on service providers, vendors and integrators in this segment.
You can also check out how Lightwave+BTR tracks the fourth quarter of 2024 results of the major players in the broadband industry.
Also, check out our Q4 2023, Q1 2024, Q2 2024 and Q3 2024 optical earnings coverage.
Jan 13
Ekinops
www.ekinops.com
Ekinops reported $30.6 million in fourth quarter 2024 earnings, down two percent year-over-year. It saw an uptick in access and software, while optical networking challenges continued due to service provider spending challenges.
- see our coverage
Jan 24
Verizon
www.verizon.com
During the fourth quarter, Verizon added 408,000 broadband net subscribers, continuing its quarterly pace of over 350,000 broadband net additions.
- here’s our broadband coverage
Jan 27
AT&T
www.att.com
AT&T added 307,000 consumer fiber net subscribers in the fourth quarter, ended the year with nearly 30 million locations passed, and reported consumer wireline revenues of $3.5 billion.
- here’s our broadband coverage
Jan 29
Corning
www.corning.com
Due to strong sales in Optical Communications and record sales in the Enterprise portion of the business, Corning reported that total fourth-quarter sales were $1.4 billion, up 51 percent yearly.
- see our coverage
Feb 4
Lumen
www.lumen.com
Lumen's overall revenues decreased in the fourth quarter, but fiber broadband revenues saw 18.9% growth. The company added 42,000 fiber customers in the quarter.
-see our coverage
Feb 6
Lumentum
www.lumentum.com
Lumentum reported $402.2 million in net revenue with strong data center interconnection sales.
- see our coverage
Feb 12
Cisco
www.cisco.com
Cisco’s revenue for the second quarter of 2025 was $14 billion, up 9% year over year, due to growth in service providers and cloud.
- see our coverage
Ribbon Communications
www.ribboncommunications.com
Buoyed by Tier 1 service provider customer wins, Ribbon Communications reported revenue of $251 million for the fourth quarter of 2024, up from $226 million for the fourth quarter of 2023 and $210 million for the third quarter of 2024.
- see our coverage
Feb 20
Frontier
www.frontier.com
Frontier reported that overall revenue rose 3% year-over-year to $5.95 billion, as fiber revenue growth of 14% offset copper revenue declines of 8%.
- see our broadband coverage
- and our business services coverage
Feb 26
Cogent Communications
www.cogentco.com
Cogent reported service revenue of $252.3 million in the fourth quarter, down 1.9% sequentially.
- see our coverage
Dycom
www.dycomind.com
Due to growth across its five top customers, Dycom reported that contract revenues rose 13.9% to $1.1 billion for the 2025 fourth quarter.
- see our coverage
Feb 27
Adtran
www.adtran.com
As a result of strong optical networking solutions growth, Adtran’s fourth-quarter revenue was $242.9 million, up $15.1 million or 7%, above what it said was the midpoint of its guidance.
- see our coverage
March 11
Ciena
www.ciena.com
March 12
Crown Castle
www.crowncastle.com
Sean Buckley
Sean is responsible for establishing and executing the editorial strategies of Lightwave and Broadband Technology Report across their websites, email newsletters, events, and other information products.
Hayden Beeson
Hayden Beeson is a writer and editor with over seven years of experience in a variety of industries. Prior to joining Lightwave and Broadband Technology Report, he was the associate editor of Architectural SSL and LEDs Magazine.