- In June 2023, GTT Communications acquired a regional fiber network company, adding 500 miles of dark fiber to its existing infrastructure. This acquisition was part of GTT's strategy to enhance its global network capabilities and offer improved services to its customers.
- In May 2023, Lumen expanded its dark fiber network across the Midwest, enhancing connectivity for over 2 million users. This expansion aimed to support the increasing demand for high-speed, reliable internet services in the region.
- In March 2023, Verizon introduced a new dark fiber service targeting large enterprises. This service extended Verizon's network reach by 1,000 miles, enhancing connectivity options for businesses requiring dedicated, high-capacity fiber infrastructure



