Lindsay Goldberg, a private investment firm, completed the investment in Summit Interconnect, a provider of high performance, complex printed circuit boards. Financial terms were not disclosed. "This is an important milestone in Summit’s evolution. We are excited to continue expanding our capabilities and delivering for our customers in partnership with Lindsay Goldberg, a firm with deep expertise in the electronics manufacturing and aerospace and defense sectors and a proven track record of working closely with management teams to build great businesses. We are also grateful for the support and contributions to our business provided by HCI Equity Partners over the past five years," Shane Whiteside, Summit President and CEO.