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REVENUE (Tables)

6 Months Ended

Jun. 30, 2026

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

A disaggregation of our revenue from customer contracts by geographic region, by reportable operating segment and by service type is presented below:

Revenue by geographic area (in thousands):

						Three Months Ended June 30, 2026
						(unaudited)
						United States						Canada						Other Countries						Total
Revenue1:
IHT						$	114,760					$	12,513					$	4,010					$	131,283
MS						57,199						7,474						32,722						97,395
Total						$	171,959					$	19,987					$	36,732					$	228,678

						Three Months Ended June 30, 2025
						(unaudited)
						United States						Canada						Other Countries						Total
Revenue1:
IHT						$	119,813					$	15,112					$	3,297					$	138,222
MS						64,473						10,312						35,019						109,804
Total						$	184,286					$	25,424					$	38,316					$	248,026

						Six Months Ended June 30, 2026
						(unaudited)
						United States						Canada						Other Countries						Total
Revenue1:
IHT						$	225,102					$	21,780					$	7,792					$	254,674
MS						113,180						14,764						61,116						189,060
Total						$	338,282					$	36,544					$	68,908					$	443,734

						Six Months Ended June 30, 2025
						(unaudited)
						United States						Canada						Other Countries						Total
Revenue1:
IHT						$	223,616					$	22,224					$	6,003					$	251,843
MS						118,044						15,407						61,387						194,838
Total						$	341,660					$	37,631					$	67,390					$	446,681

1 As of January 1, 2026, Emission Control Services (ECS), previously included in the MS segment, was moved to the IHT segment, refer to Note 15 - Segment Disclosures for more information.

Revenue by operating segment and service type (in thousands):

			Three Months Ended June 30, 2026
			(unaudited)
			Non-Destructive Evaluation and Testing Services						Repair and Maintenance Services						Heat-Treating						Other						Total
Revenue1:
IHT			$	114,253					$	11					$	13,861					$	3,158					$	131,283
MS			—						96,451						486						458						97,395
Total			$	114,253					$	96,462					$	14,347					$	3,616					$	228,678

			Three Months Ended June 30, 2025
			(unaudited)
			Non-Destructive Evaluation and Testing Services						Repair and Maintenance Services						Heat-Treating						Other						Total
Revenue1:
IHT			$	112,958					$	48					$	21,922					$	3,294					$	138,222
MS			—						109,229						149						426						109,804
Total			$	112,958					$	109,277					$	22,071					$	3,720					$	248,026

			Six Months Ended June 30, 2026
			(unaudited)
			Non-Destructive Evaluation and Testing Services						Repair and Maintenance Services						Heat-Treating						Other						Total
Revenue1:
IHT			$	218,329					$	19					$	30,514					$	5,812					$	254,674
MS			—						186,878						505						1,677						189,060
Total			$	218,329					$	186,897					$	31,019					$	7,489					$	443,734

			Six Months Ended June 30, 2025
			(unaudited)
			Non-Destructive Evaluation and Testing Services						Repair and Maintenance Services						Heat-Treating						Other						Total
Revenue1:
IHT			$	207,602					$	49					$	38,296					$	5,896					$	251,843
MS			—						193,110						338						1,390						194,838
Total			$	207,602					$	193,159					$	38,634					$	7,286					$	446,681

1 As of January 1, 2026, ECS, previously included in the MS segment, was moved to the IHT segment, refer to Note 15 - Segment Disclosures for more information.

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

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