Revenue (Tables)

6 Months Ended

Jun. 30, 2026

Revenue

Schedule of disaggregation of revenue

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2026		2025		2026		2025
Marine Segment
Construction	$	109,881	$	114,830	$	202,564	$	219,312
Dredging		16,630		17,700		30,711		34,611
Specialty services		4,332		2,772		7,697		8,542
Marine segment contract revenues	$	130,843	$	135,302	$	240,972	$	262,465
Concrete Segment
Structural	$	6,673	$	12,582	$	16,426	$	26,303
Light commercial		84,362		57,402		180,781		105,171
Concrete segment contract revenues	$	91,035	$	69,984	$	197,207	$	131,474
Total contract revenues	$	221,878	$	205,286	$	438,179	$	393,939

Contract revenues

Revenue

Schedules of concentration of risk, by risk factor

	Three Months Ended								Six Months Ended
	June 30,								June 30,
	2026		%		2025		%		2026		%		2025		%
Federal Government(1)	$	40,113	18	%	$	39,429	19	%	$	69,839	16	%	$	81,313	21	%
State Governments(1)		36,886	17	%		36,322	18	%		72,544	17	%		65,283	17	%
Local Government(1)		34,322	15	%		43,127	21	%		61,942	14	%		80,164	20	%
Private Companies		110,557	50	%		86,408	42	%		233,854	53	%		167,179	42	%
Total contract revenues	$	221,878	100	%	$	205,286	100	%	$	438,179	100	%	$	393,939	100	%