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REVENUES (Tables)
3 Months Ended
Mar. 31, 2023
REVENUES  
Schedule of Contracts by Reportable Segments and Type of Contracts

Segment

Contract Type

Revenue Recognition Method

Time-and-materials

Time-and-materials

Energy

Unit-based

Unit-based

Software license

Unit-based

Fixed price

Percentage-of-completion

Time-and-materials

Time-and-materials

Engineering and Consulting

Unit-based

Unit-based

Fixed price

Percentage-of-completion