The gross amount and accumulated amortization of acquired identifiable intangible assets included in “Intangible assets, net” on the consolidated balance sheets were as follows (in thousands except for years):


	December 31, 2025							December 31, 2024							Weighted Average
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Amortization Period (in years)
Backlog	$	154,470	$	(83,181	)	$	71,289	$	142,100	$	(51,322	)	$	90,778		4.4
Customer relationships	$	395,460	$	(166,391	)	$	229,069		372,930		(139,568	)		233,362		11.5
Developed technology	$	30,100	$	(13,496	)	$	16,604		23,200		(7,458	)		15,742		4.4
Trade name	$	2,530	$	(2,123	)	$	407		1,500		(367	)		1,133		1.0
Non-compete agreements	$	10,980	$	(4,293	)	$	6,687		8,300		(1,203	)		7,097		3.0
In process research and development	$	1,800	$	-		$	1,800		1,800		-			1,800	n/a
Other intangibles	$	24	$	-		$	24		25		-			25	n/a
Total intangible assets	$	595,364	$	(269,484	)	$	325,880	$	549,855	$	(199,918	)	$	349,937

The aggregate amortization expense of intangible assets was $69.6 million, $55.6 million, and $76.6 million for the years ended December 31, 2025, December 31, 2024 and December 31, 2023, respectively.