Critical Homecare Solutions Inc., a portfolio company of Kohlberg & Co., has acquired Specialty Pharma Inc., a Cromwell, Conn.-based regional provider of home infusion and respiratory therapy services. No financial terms were disclosed. Specialty Pharma had been controlled by Eureka Growth Capital.

Duke Street Capital has agreed to acquire U.K.-based IT services company 2e2 from Gresham Private Equity for £130 million.

Fresh Start Bakeries, a portfolio company of Lindsay Goldberg & Bessemer, has acquired the Pennant Foods bakery unit of Chef Solutions, a portfolio company of Questor Partners. No financial terms were disclosed.

Lone Star Funds has acquired B-Line LLC, a Seattle-based specialty finance firm, from Golden Gate Capital. No financial terms were disclosed.

Silver Lake Partners has completed its $800 million acquisition of IPC Information Systems LLC from GS Capital Partners. IPC is a New York–based provider of mission-critical trading floor communications solutions to the financial industry, and was advised by Goldman Sachs. JPMorgan and Morgan Stanley advised Silver Lake.