| Schedule of Segment Reporting Information |
The following tables present segment revenues, significant segment expenses, and measures of segment profit or loss for the three and nine months ended September 30, 2026 and 2025: | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | Three Months Ended September 30, | | Nine Months Ended September 30, | | Revenues | 2026 | | 2025 | | 2026 | | 2025 | | E-Infrastructure Solutions | $ | 1,302,739 | | | $ | 417,106 | | | $ | 2,805,472 | | | $ | 945,775 | | | Transportation Solutions | 165,224 | | | 170,490 | | | 454,779 | | | 487,948 | | | Building Solutions | 95,964 | | | 101,423 | | | 297,530 | | | 300,713 | | | Total Revenues | $ | 1,563,927 | | | $ | 689,019 | | | $ | 3,557,781 | | | $ | 1,734,436 | | | | | | | | | | | Cost of Revenues | | | | | | | | | E-Infrastructure Solutions | $ | (970,586) | | | $ | (288,757) | | | $ | (2,064,601) | | | $ | (656,459) | | | Transportation Solutions | (130,135) | | | (144,134) | | | (368,455) | | | (416,133) | | | Building Solutions | (85,927) | | | (85,912) | | | (263,193) | | | (253,648) | | | Total Cost of Revenues | $ | (1,186,648) | | | $ | (518,803) | | | $ | (2,696,249) | | | $ | (1,326,240) | | | | | | | | | | | Gross Profit | | | | | | | | | E-Infrastructure Solutions | $ | 332,153 | | | $ | 128,349 | | | $ | 740,871 | | | $ | 289,316 | | | Transportation Solutions | 35,089 | | | 26,356 | | | 86,324 | | | 71,815 | | | Building Solutions | 10,037 | | | 15,511 | | | 34,337 | | | 47,065 | | | Total Gross Profit | $ | 377,279 | | | $ | 170,216 | | | $ | 861,532 | | | $ | 408,196 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | Three Months Ended September 30, | | Nine Months Ended September 30, | | General and Administrative Expenses | 2026 | | 2025 | | 2026 | | 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | E-Infrastructure Solutions | $ | (30,948) | | | $ | (17,656) | | | $ | (85,174) | | | $ | (42,280) | | | Transportation Solutions | (8,820) | | | (7,384) | | | (23,165) | | | (21,292) | | | Building Solutions | (2,647) | | | (2,803) | | | (8,794) | | | (9,045) | | | Segment General and Administrative Expenses | (42,415) | | | (27,843) | | | (117,133) | | | (72,617) | | | Corporate | (18,948) | | | (9,742) | | | (45,210) | | | (33,586) | | | Total General and Administrative Expenses | $ | (61,363) | | | $ | (37,585) | | | $ | (162,343) | | | $ | (106,203) | | | | | | | | | | | Intangible Amortization | | | | | | | | | E-Infrastructure Solutions | $ | (6,658) | | | $ | (4,079) | | | $ | (17,795) | | | $ | (10,013) | | | Transportation Solutions | — | | | — | | | — | | | — | | | Building Solutions | (1,724) | | | (1,956) | | | (5,172) | | | (5,061) | | | Total Intangible Amortization | $ | (8,382) | | | $ | (6,035) | | | $ | (22,967) | | | $ | (15,074) | | | | | | | | | | | Other Operating Income, Net | | | | | | | | | E-Infrastructure Solutions | $ | (32) | | | $ | — | | | $ | 1,226 | | | $ | — | | | Transportation Solutions | 3,963 | | | 5,405 | | | 10,003 | | | 11,082 | | | Building Solutions | — | | | — | | | — | | | — | | | Total Other Operating Income, Net | $ | 3,931 | | | $ | 5,405 | | | $ | 11,229 | | | $ | 11,082 | | | | | | | | | | | Operating Income | | | | | | | | | E-Infrastructure Solutions | $ | 294,515 | | | $ | 106,614 | | | $ | 639,128 | | | $ | 237,023 | | | Transportation Solutions | 30,232 | | | 24,377 | | | 73,162 | | | 61,605 | | | Building Solutions | 5,666 | | | 10,752 | | | 20,371 | | | 32,959 | | | Segment Operating Income | 330,413 | | | 141,743 | | | 732,661 | | | 331,587 | | Corporate G&A Expenses | (18,948) | | | (9,742) | | | (45,210) | | | (33,586) | | | Acquisition Related Costs | (2,136) | | | (5,349) | | | (16,071) | | | (8,023) | | | Earn-out Expense | (2,487) | | | (1,343) | | | (7,463) | | | (4,029) | | | Total Operating Income | $ | 306,842 | | | $ | 125,309 | | | $ | 663,917 | | | $ | 285,949 | |
The following table presents depreciation by reportable segment: | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | | Three Months Ended September 30, | | Nine Months Ended September 30, | | Depreciation | | 2026 | | 2025 | | 2026 | | 2025 | | E-Infrastructure Solutions | | $ | (14,545) | | | $ | (10,569) | | | $ | (39,253) | | | $ | (30,340) | | | Transportation Solutions | | (4,070) | | | (2,589) | | | (11,323) | | | (7,015) | | | Building Solutions | | (370) | | | (394) | | | (1,101) | | | (1,129) | | | Corporate | | (452) | | | (326) | | | (1,186) | | | (968) | | | Total Depreciation | | $ | (19,437) | | | $ | (13,878) | | | $ | (52,863) | | | $ | (39,452) | |
The following table presents assets by reportable segment: | | | | | | | | | | | | | | | | (In thousands) | | September 30, | | December 31, | | Assets | | 2026 | | 2025 | E-Infrastructure Solutions | | $ | 3,100,823 | | | $ | 1,870,246 | | Transportation Solutions | | 85,501 | | | 181,867 | | Building Solutions | | 235,845 | | | 240,174 | | Corporate | | 59,811 | | | 341,544 | | | Total Assets | | $ | 3,481,980 | | | $ | 2,633,831 | |
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