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v3.25.3

Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) segment | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Segment Information |  |  |  |  |
Number of reportable segments | segment |  |  | 2 |  |
Total assets | $ 5,777,851 |  | $ 5,777,851 |  | $ 4,711,088
Revenue | 2,450,969 | $ 1,812,366 | 6,455,574 | $ 5,159,672 |
Cost of services | 1,843,098 | 1,430,652 | 4,934,390 | 4,116,999 |
Gross profit | 607,871 | 381,714 | 1,521,184 | 1,042,673 |
Selling, general and administrative expenses | 229,579 | 180,177 | 634,919 | 522,437 |
Gain on sale of assets | (582) | (1,347) | (1,580) | (2,778) |
Operating income (loss) | 378,874 | 202,884 | 887,845 | 523,014 |
Amortization of identifiable intangible assets | 19,526 | 24,421 | 59,432 | 75,224 |
Depreciation expense | 16,048 | 12,333 | 44,914 | 35,377 |
Capital expenditures (loss) | 35,332 | 22,059 | 88,813 | 70,395 |
Operating Segments | Mechanical Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total assets | 3,689,895 |  | 3,689,895 |  | 3,162,677
Revenue | 1,810,462 | 1,438,617 | 4,851,349 | 4,075,305 |
Cost of services | 1,370,687 | 1,146,245 | 3,732,449 | 3,286,249 |
Gross profit | 439,775 | 292,372 | 1,118,900 | 789,056 |
Selling, general and administrative expenses | 152,442 | 127,591 | 421,786 | 363,201 |
Gain on sale of assets | (418) | (675) | (1,141) | (1,605) |
Operating income (loss) | 287,751 | 165,456 | 698,255 | 427,460 |
Amortization of identifiable intangible assets | 14,001 | 18,896 | 42,857 | 58,355 |
Depreciation expense | 13,048 | 10,170 | 36,545 | 29,103 |
Capital expenditures (loss) | 28,881 | 18,234 | 72,179 | 56,403 |
Operating Segments | Electrical Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total assets | 1,184,210 |  | 1,184,210 |  | 985,006
Revenue | 640,507 | 373,749 | 1,604,225 | 1,084,367 |
Cost of services | 472,411 | 284,407 | 1,201,941 | 830,750 |
Gross profit | 168,096 | 89,342 | 402,284 | 253,617 |
Selling, general and administrative expenses | 60,021 | 39,612 | 159,302 | 114,630 |
Gain on sale of assets | (164) | (672) | (439) | (1,173) |
Operating income (loss) | 108,239 | 50,402 | 243,421 | 140,160 |
Amortization of identifiable intangible assets | 5,525 | 5,525 | 16,575 | 16,869 |
Depreciation expense | 2,600 | 1,877 | 7,361 | 5,401 |
Capital expenditures (loss) | 5,787 | 3,506 | 15,419 | 11,778 |
Corporate & Eliminations |  |  |  |  |
Segment Information |  |  |  |  |
Total assets | 903,746 |  | 903,746 |  | $ 563,405
Selling, general and administrative expenses | 17,116 | 12,974 | 53,831 | 44,606 |
Operating income (loss) | (17,116) | (12,974) | (53,831) | (44,606) |
Depreciation expense | 400 | 286 | 1,008 | 873 |
Capital expenditures (loss) | $ 664 | $ 319 | $ 1,215 | $ 2,214 |

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