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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2025
Revenue from Contracts with Customers |
Schedule of revenue from contracts with customers by segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(in thousands) | ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Contract operations: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
0 ― 1,000 horsepower per unit | ​ | $ | 424,362 | ​ | $ | 246,524 | ​ | $ | 170,320
1,001 ― 1,500 horsepower per unit | ​ |  | 425,969 | ​ |  | 384,956 | ​ |  | 350,961
Over 1,500 horsepower per unit | ​ |  | 421,165 | ​ |  | 348,295 | ​ |  | 287,183
Other (1) | ​ |  | 585 | ​ |  | 630 | ​ |  | 975
Total contract operations revenue (2) | ​ |  | 1,272,081 | ​ |  | 980,405 | ​ |  | 809,439
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Aftermarket services: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Services | ​ |  | 127,146 | ​ |  | 100,847 | ​ |  | 98,803
OTC parts and components sales | ​ | ​ | 88,719 | ​ |  | 76,023 | ​ |  | 82,095
Other | ​ |  | 1,872 | ​ | ​ | 316 | ​ | ​ | —
Total aftermarket services revenue (3) | ​ |  | 217,737 | ​ |  | 177,186 | ​ |  | 180,898
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total revenue | ​ | $ | 1,489,818 | ​ | $ | 1,157,591 | ​ | $ | 990,337
(1) | Primarily relates to fees associated with owned non–compression equipment.
(2) | Includes $6.1 million, $5.3 million and $4.2 million during the years ended December 31, 2025, 2024 and 2023, respectively, related to billable maintenance on owned compressors that was recognized at a point in time. All other contract operations revenue is recognized over time.
(3) | Services revenue within aftermarket services is recognized over time. OTC parts and components sales and other revenue is recognized at a point in time.
Schedule of remaining performance obligations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) | ​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2027 | ​ ​ ​ | 2028 | ​ ​ ​ | 2029 | ​ ​ ​ | 2030 | ​ | Thereafter (1) | ​ ​ ​ | Total
Remaining performance obligations | ​ | ​ | $ | 543,250 | ​ | $ | 201,037 | ​ | $ | 71,017 | ​ | $ | 24,759 | ​ | $ | 9,784 | ​ | $ | 1,267 | ​ | $ | 851,114
(1) Performance obligations of $0.7 million and $0.6 million during the years ended December 31, 2031 and 2032, respectively.

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