| Schedule of Backlog by Segment |
The following table presents the Company’s RPOs, by segment: | | | | | | | | | | | | | (In thousands) | September 30, 2026 | | December 31, 2025 | | E-Infrastructure Solutions RPOs | $ | 3,050,076 | | | $ | 1,843,536 | | | Transportation Solutions RPOs | 963,725 | | | 1,124,429 | | | Building Solutions RPOs - Commercial | 35,015 | | | 42,977 | | | Total RPOs | $ | 4,048,816 | | | $ | 3,010,942 | |
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| Schedule of Revenue Disaggregation |
The following tables present the Company’s revenue disaggregated by major end market and contract type: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | Three Months Ended September 30, | | Nine Months Ended September 30, | | | | Revenues by major end market | 2026 | | 2025 | | 2026 | | 2025 | | | | | | | | E-Infrastructure Solutions Revenues | $ | 1,302,739 | | | $ | 417,106 | | | $ | 2,805,472 | | | $ | 945,775 | | | | | | | | | | | | | | | | | | | | | | | Heavy Highway | 115,634 | | | 105,710 | | | 318,587 | | | 326,017 | | | | | | | | | Aviation | 24,506 | | | 18,855 | | | 68,458 | | | 46,163 | | | | | | | | Other Services | 25,084 | | | 45,925 | | | 67,734 | | | 115,768 | | | | | | | | | Transportation Solutions Revenues | 165,224 | | | 170,490 | | | 454,779 | | | 487,948 | | | | | | | | | | | | | | | | | | | | | | | Residential | 74,364 | | | 80,529 | | | 242,889 | | | 249,107 | | | | | | | | | Commercial | 21,600 | | | 20,894 | | | 54,641 | | | 51,606 | | | | | | | | | Building Solutions Revenues | 95,964 | | | 101,423 | | | 297,530 | | | 300,713 | | | | | | | | | Total Revenues | $ | 1,563,927 | | | $ | 689,019 | | | $ | 3,557,781 | | | $ | 1,734,436 | | | | | | | | | | | | | | | | | | | | | | | Revenues by contract type | | | | | | | | | | | | | | | Lump-Sum | $ | 976,016 | | | $ | 418,815 | | | $ | 2,251,376 | | | $ | 966,189 | | | | | | | | | Fixed-Unit Price | 295,351 | | | 188,904 | | | 752,467 | | | 515,500 | | | | | | | | | Residential and Other | 292,560 | | | 81,300 | | | 553,938 | | | 252,747 | | | | | | | | | Total Revenues | $ | 1,563,927 | | | $ | 689,019 | | | $ | 3,557,781 | | | $ | 1,734,436 | | | | | | | |
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