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SEGMENT INFORMATION
 9 Months Ended
Sep. 30, 2026
Segment Reporting [Abstract]  
SEGMENT INFORMATION
17.SEGMENT INFORMATION
The Company’s internal and public segment reporting is aligned based on the services offered by its operating segments. The Company’s operations consist of three reportable segments: E-Infrastructure Solutions, Transportation Solutions and Building Solutions. The Company’s CODM, the Company’s Chief Executive Officer, uses both segment gross profit and operating income for each segment predominantly in the annual budgeting and forecasting process. The CODM considers budget-to-actual variances of both profit measures when making decisions about allocating capital and personnel to the segments. We incur certain expenses at the corporate level that relate to our business as a whole. Our business segments receive a portion of these expenses through various allocation methods, predominantly determined by usage and volume. The balance of the corporate-level expenses is reported in the “Corporate G&A Expenses” line, which is primarily comprised of corporate headquarters facility costs, the cost of the executive management team, and other expenses pertaining to certain centralized functions that benefit the entire Company but are not directly attributable to any specific business segment, such as corporate human resources, legal, governance, compliance and finance functions. Total assets held at Corporate primarily include cash, PP&E, and prepaid and leased assets.
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,
Revenues2026202520262025
E-Infrastructure Solutions$1,302,739 $417,106 $2,805,472 $945,775 
Transportation Solutions165,224 170,490 454,779 487,948 
Building Solutions95,964 101,423 297,530 300,713 
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 Solutions35,089 26,356 86,324 71,815 
Building Solutions10,037 15,511 34,337 47,065 
Total Gross Profit$377,279 $170,216 $861,532 $408,196 
(In thousands)Three Months Ended September 30,Nine Months Ended September 30,
General and Administrative Expenses2026202520262025
E-Infrastructure Solutions$(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 Solutions3,963 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 Solutions30,232 24,377 73,162 61,605 
Building Solutions5,666 10,752 20,371 32,959 
Segment Operating Income330,413 141,743 732,661 331,587 
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 $285,949 
The following table presents depreciation by reportable segment:
(In thousands)Three Months Ended September 30,Nine Months Ended September 30,
Depreciation2026202520262025
E-Infrastructure Solutions$(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,
Assets20262025
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