Business Services

CoolSys, which is backed by Ares Management Corporation, has acquired Eastern Refrigeration, an commercial refrigeration and HVAC solutions provider serving Connecticut, Rhode Island and Massachusetts.

NSC Technologies, a portfolio company of White Wolf Capital LLC, has acquired Tampa, Florida-based Anistar Technologies Inc, a national staffing company.

A&L Industrial Services, which is backed by Hastings Equity Partners, and Axios Industrial Group LLC, which is backed by White Deer Energy, have closed their previously announced merger.

Full Spectrum Group, which is backed by Pfingsten, has acquired Benson, North Carolina-based Pion TPFS, a provider of repair, maintenance, validation, and qualification services for laboratory instrumentation.

Brook & Whittle, which is backed by Snow Phipps Group, has acquired California-based Label Impressions, a provider of label solutions.

Canadian mid-market private equity firm Clairvest Group has invested an undisclosed amount in Arrowhead Environmental Partners, a Uniontown, Alabama-based solid waste management company.

Canadian alternative equity firm Alaris Royalty Corp has invested US$17 million in Carey Electric Contracting.

Trinity Consultants, which is backed by Levine Leichtman Capital Partners, has acquired Queensland, Australia-based Vision Environment, a provider of water quality monitoring services.

Canadian private equity firm Onex Corp has agreed to lead a US$400 million convertible participating preferred equity investment in Emerald Holding, a San Juan Capistrano, California-based operator of business-to-business trade shows.

WestView Capital Partners has exited its investment in Collaborative Solutions as a result of the latter's acquisition by Cognizant.