Searchlight Capital Partners LP, a private equity firm, has made an investment in Mainstream Fiber Networks.

Mainstream offers fiber optic Internet service throughout rural Indiana. Mainstream is partnered with the State of Indiana through the Next Level Connections Broadband initiative, having received more than $19 million in grant funding to bring Internet access to previously underserved and underserved areas. With Searchlight’s support, Mainstream will grow its public-private collaborative efforts to bring Internet access to areas of the state that for too long have been left behind in digital service.

Citizens Capital Markets & Advisory served as financial advisor to Mainstream in connection with this transaction. Ice Miller LLP and Bose McKinney & Evans LLP served as legal counsel to Mainstream. Latham & Watkins served as legal counsel to Searchlight.