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REVENUE FROM CUSTOMERS (Tables)
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Backlog by Segment The following table presents the Company’s RPOs, by segment:
September 30, 2025December 31, 2024
E-Infrastructure Solutions RPOs$1,808,220 $1,032,109 
Transportation Solutions RPOs733,432 622,085 
Building Solutions RPOs - Commercial33,718 39,029 
Total RPOs$2,575,370 $1,693,223 
Schedule of Revenue Disaggregation The following tables present the Company’s revenue disaggregated by major end market and contract type:
Three Months Ended September 30,Nine Months Ended September 30,
Revenues by major end market2025202420252024
E-Infrastructure Solutions Revenues$417,106 $263,899 $945,775 $689,687 
Heavy Highway105,710 169,388 326,017 424,628 
Aviation18,855 22,964 46,163 63,738 
Other Services
45,925 34,899 115,768 120,629 
Transportation Solutions Revenues (1)
170,490 227,251 487,948 608,995 
Residential80,529 70,374 249,107 238,825 
Commercial20,894 32,217 51,606 79,416 
Building Solutions Revenues101,423 102,591 300,713 318,241 
Total Revenues (1)
$689,019 $593,741 $1,734,436 $1,616,923 
Revenues by contract type
Lump-Sum$418,815 $292,365 $966,189 $791,227 
Fixed-Unit Price188,904 226,969 515,500 579,127 
Residential and Other81,300 74,407 252,747 246,569 
Total Revenues (1)
$689,019 $593,741 $1,734,436 $1,616,923 
(1) Due to the deconsolidation of RHB on December 31, 2024, RHB’s revenue is no longer included in Sterling’s consolidated revenue in 2025. For the three and nine months ended September 30, 2024, RHB had revenue of $72,188 and $184,599, respectively, included within Transportation Solutions and Total Revenues.