Alpine-backed Cobalt Service Partners snaps up Digi Security Systems

Apollo funds complete minority investment in Alpine-backed Apex Service Partners

Rainier Partners invests in Texas auto insurance MGA platform Apex

Stonepeak completes carve-out of BMO’s transportation and vendor finance units

Trivest-backed Wheelhouse buys California and Utah garage door firm All Star

Water Street and JLL Partners’ Eversana announces acquisition of London’s Estima Scientific

DPE’s Mehler Systems to acquire majority stake in Bulgaria’s MARS Armor

Speyside Equity buys Midwest steel tubing and building products maker Tapco