Investment firm Oaktree Capital completed a minority investment in Universal Plant Services, one of North America’s largest comprehensive specialty service providers for the energy industry. Financial terms were not disclosed. "The UPS team is known for its agility and commitment to grow the Company in ways that are important to our customers, especially as markets evolve. Our partnership with Oaktree exemplifies our relentless pursuit to strengthen UPS across our management platform for financial, operational and procedural excellence, thus furthering our ability to cultivate our internal team and provide best-in-class services to our clients," Reagan Busbee, UPS President and COO.