First Reserve-backed IRISNDT, a provider of advanced and general non-destructive testing, agreed to acquire Altura Wind Services, a provider of cleaning, and maintenance services to a diverse base of renewable and energy customers. Financial terms were not disclosed. "We believe the Altura team, which shares our culture and commitment to safety, quality, and excellent customer service, will find a good home within IRISNDT. As we move forward in growth mode and continue to enhance our services portfolio in the renewable markets, we will continue to evaluate attractive add-on acquisition opportunities," Marcel Blinde, IRISNDT CEO.