Both companies expect to complete the transaction in the second quarter of 2017 pending regulatory approvals and other customary closing terms, Constellis said Monday.
Constellis CEO Jason DeYonker said the company aims to accelerate growth efforts in the U.S. risk management market that includes the Energy Department and other agencies as clients.
Reston, Virginia-based Constellis has at least 8,000 employees who provide risk management and crisis response, logistics, training and security support services to commercial and government clients at more than 25 countries in Africa, Europe, Middle East and the Americas.
Palm Beach Gardens, Florida-based Centerra is made-up of approximately 9,000 employees and offers security, base operations, humanitarian-related support, training and fire suppression services to domestic and foreign government agencies.
Constellis will fund the transaction and refinance the combined entitys existing debt through funding commitments from Citi, Credit Suisse, Barclays and Goldman Sachs.
Paul, Weiss, Rifkind, Wharton & Garrison and Akin Gump Strauss Hauer & Feld serve as legal advisers to Constellis and Apollo Global Managements (NYSE: APO) affiliates in the deal.