Level 3 and CenturyLink are “middle mile” broadband providers. Broadband providers like AT&T and Comcast contract with middle mile providers to deliver Internet traffic across the country or internationally. Level 3 and Centurylink have asked the CPUC to approve a merger of the two companies. This Protest explains Greenlining’s objections to the merger, such as the merger resulting in less broadband investment and reducing competition. Read the comments here.