| Oct 1, 2020 | Centauri Platform Holdings, LLC | Environmental engineering, consulting, and infrastructure services | $830 | On October 1, 2020, we acquired Centauri in accordance with an agreement and plan of merger, pursuant to which a wholly owned subsidiary of KBR merged with and into Centauri, wi... | 10-K† |
| Oct 20, 2021 | Frazer-Nash Consultancy Limited | Environmental engineering, consulting, and infrastructure services | $392 | On October 20, 2021, we acquired Frazer-Nash in accordance with an agreement with Babcock International Group PLC, a leading UK based provider of specialist systems, engineering... | 10-K† |
| Apr 18, 2018 | Aspire Defence Subcontracting Joint Ventures | Environmental engineering, consulting, and infrastructure services | $50 | Effective January 15, 2018, as a result of our joint venture partner's compulsory liquidation, we assumed operational control of and began consolidating the Aspire Defence subco... | 10-K† |
| Aug 30, 2024 | LinQuest | Environmental engineering, consulting, and infrastructure services | $739 | On August 30, 2024, we acquired LinQuest for $739 million in cash net of cash acquired, subject to certain working capital, net debt and other post-closing adjustments. The purc... | 10-K† |
| Jul 1, 2016 | Wyle Inc. | Environmental engineering, consulting, and infrastructure services | $623 | On July 1, 2016, we acquired 100% of the equity interests of Wyle from its shareholders, including Court Square Capital Partners and certain officers of Wyle, pursuant to an agr... | 10-K† |
| Jul 1, 2016 | Wyle Inc. | Environmental engineering, consulting, and infrastructure services | $623 | During the third quarter of 2016, we acquired 100% of the equity interests of Wyle Inc. ("Wyle") from its shareholders, including Court Square Capital Partners and certain offic... | 10-K† |
| Jul 1, 2008 | BE&K, Inc. | Environmental engineering, consulting, and infrastructure services | $559 | On July 1, 2008, we acquired 100% of the outstanding common shares of BE&K, Inc., (“BE&K”) a privately held, Birmingham, Alabama-based engineering, construction and maintenance... | 10-K† |
| Jun 30, 2018 | SGT | Environmental engineering, consulting, and infrastructure services | $365 | During the second quarter of 2018, we acquired 100% of the outstanding stock of SGT, a leading provider of high-value engineering, mission operations, scientific and IT software... | 10-K† |