The gross amount and accumulated amortization of intangible assets with finite useful lives included in “Intangible assets, net” on the consolidated balance sheets are as follows (in thousands except for years):


	March 31, 2026							December 31, 2025							Weighted Average
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Amortization Period (in years)
Backlog	$	170,870	$	(95,916	)	$	74,954	$	154,470	$	(83,181	)	$	71,289		3.3
Customer relationships	$	480,030	$	(173,524	)	$	306,506		395,460		(166,391	)		229,069		12.1
Developed technology	$	29,100	$	(14,111	)	$	14,989		30,100		(13,496	)		16,604		4.5
Trade name	$	4,930	$	(1,318	)	$	3,612		2,530		(2,123	)		407		1.7
Non-compete agreements	$	10,680	$	(4,682	)	$	5,998		10,980		(4,293	)		6,687		3.0
In process research and development	$	1,800	$	-		$	1,800		1,800		-			1,800	n/a
Other intangibles	$	-	$	-		$	-		24		-			24	n/a
Total intangible assets	$	697,410	$	(289,551	)	$	407,859	$	595,364	$	(269,484	)	$	325,880

The aggregate amortization expense of intangible assets for the three months ended March 31, 2026 and March 31, 2025 was $23.8 million and $16.4 million, respectively.