

	December 31, 2024 (1)		Acquisitions		Business Combination Adjustments		June 30, 2025
Eastern	$	89,544	$	20,989	$	—	$	110,533
Western	357,143		6,916		2,455		366,514
Mid-Atlantic	510,917		48,402		(2,009)		557,310
Resource Solutions	44,662		9,690		—		54,352

	$	1,002,266	$	85,997	$	446	$	1,088,709

(1)December 31, 2024 amounts, which include allocated goodwill between operating segments using a relative fair value approach, have been reclassified between regional operating segments to conform to the current period presentation. See Note 13, Segment Reporting for further disclosure.

Summaries of intangible assets by type follow:


	Covenants Not-to-Compete		Customer Relationships		Trade Names		Total
Balance, June 30, 2025
Intangible assets	$	75,225	$	414,039	$	26,239	$	515,503
Less accumulated amortization	(38,703)		(146,068)		(15,307)		(200,078)
	$	36,522	$	267,971	$	10,932	$	315,425


	Covenants Not-to-Compete		Customer Relationships		Trade Names		Total
Balance, December 31, 2024
Intangible assets	$	71,568	$	377,600	$	25,795	$	474,963
Less accumulated amortization	(34,398)		(115,305)		(11,792)		(161,495)
	$	37,170	$	262,295	$	14,003	$	313,468

Intangible amortization expense was $19,117 and $38,583 during the three and six months ended June 30, 2025, respectively, and $12,238 and $24,803 during the three and six months ended June 30, 2024, respectively.

A summary of intangible amortization expense estimated for each of the next five fiscal years following fiscal year 2024 and thereafter is estimated as follows:



Estimated Future Intangible Amortization Expense as of June 30, 2025
For the remainder of the fiscal year ending December 31, 2025	$	36,917
Fiscal year ending December 31, 2026	$	67,394
Fiscal year ending December 31, 2027	$	58,860
Fiscal year ending December 31, 2028	$	50,019
Fiscal year ending December 31, 2029	$	38,476
Thereafter	$	63,759