The Company allocates goodwill across its Compression Infrastructure and Power Infrastructure reporting units.


	Compression Infrastructure		Power Infrastructure		Total Goodwill
Balance as of December 31, 2025	$	408,681	$	—	$	408,681
Acquisition of DPS (1)	—		344,782		344,782
Balance as of June 30, 2026	$	408,681	$	344,782	$	753,463

(1) The goodwill increase between December 31, 2025 and June 30, 2026 stems from the DPS Acquisition, with the full amount allocated to the Power Infrastructure reporting unit. See Note 3. Acquisitions for more details.


	June 30, 2026						December 31, 2025
(in thousands)	Original Cost		Accumulated Amortization		Net Amount		Original Cost		Accumulated Amortization		Net Amount
Trade name	$	19,400	$	(7,686)	$	11,714	$	19,400	$	(6,721)	$	12,679
Customer relationships	236,100		(66,405)		169,695		191,100		(59,373)		131,727
Internal use software	9,840		(1,816)		8,024		10,894		(826)		10,068
Total identifiable intangible assets	$	265,340	$	(75,907)	$	189,433	$	221,394	$	(66,920)	$	154,474

Amortization expense was $5.1 million and $9.0 million for the three and six months ended June 30, 2026, respectively, and is recorded within depreciation and amortization in the condensed consolidated statements of operations. Amortization expense was $3.4 million and $6.7 million for the three and six months ended June 30, 2025, respectively.

As of June 30, 2026 and December 31, 2025, the remaining weighted average amortization period for identifiable intangible assets recognized is 10.4 years and 11.0 years, respectively.

Estimated future amortization expense related to intangible assets as of June 30, 2026 is as follows:


(in thousands)	Amount
Years ending December 31,
Remainder of 2026	$	10,306
2027	20,476
2028	20,476
2029	19,185
2030	17,214
Thereafter	100,360