Business Services

National Waste Partners, which is backed by Bestige Holdings, LLC, has acquired GK Industrial Refuse Systems.

He'll work closely with Vestar's business and technology services team to pursue new platform opportunities.

Service Logic, a portfolio company of Warburg Pincus, has acquired Pittsburgh-based Huckestein, a mechanical services provider offering HVAC solutions.

Incline Equity Partners has acquired Pittsburgh-based Foundation Source, a provider of support services to private foundations.

American Intermodal Management, a portfolio company of I Squared Capital, has agreed to merge with FlexiVan Leasing, a marine chassis provider.

Summit Companies, which is backed by CI Capital Partners, has made three acquisitions: Farmington Fire Equipment, Bay Line Fire Protection and Byrd's Fire Protection.

An investor consortium led by Stone Point Capital and Further Global has agreed to acquire New York City-based advisory firm Duff & Phelps for $4.2 billion.

MML Capital Partners has made an investment in Arrow Communications.

Platinum Equity has acquired Los Angeles-based Centerfield, a technology-driven marketing and customer acquisition company.

Clairvest Group has led a US$32 million minority investment in DTG Recycle, a Mill Creek, Washington-based waste hauling and recycling company.