Apollo completed the investment in T.D. Williamson.

Apollo, an asset management firm, completed the investment in T.D. Williamson, a provider of pipeline infrastructure technology and services. Financial terms were not disclosed. "At TDW, we are committed to delivering best-in-class, technically differentiated solutions to support the evolving needs of the operators of critical pipeline infrastructure. This investment by Apollo Funds, alongside our existing relationship with SCF Partners, marks a significant milestone in our journey as we continue to invest in meeting the needs of our customers through innovation and expanding our global reach," Bob McGrew, TDW CEO.