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v3.25.2

CUSTOMER CONCENTRATIONS (Details) - customer |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 31, 2025 | Jan. 31, 2025 | Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024 | Jan. 31, 2025
Customer Concentration Risk | Accounts Receivable |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Number of customers |  | 4 |  |  | 3 |  |
Customer Concentration Risk | Contract Asset |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Number of customers | 4 | 4 |  |  |  |  |
Customer Concentration Risk | Major Customer One | Accounts Receivable |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  |  |  | 29.00% |  | 22.00%
Customer Concentration Risk | Major Customer One | Contract Asset |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  | 26.00% |  |  | 33.00% |  |
Customer Concentration Risk | Major Customer Two | Accounts Receivable |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  |  |  | 23.00% |  | 16.00%
Customer Concentration Risk | Major Customer Two | Contract Asset |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments | 15.00% | 15.00% |  |  |  |  |
Customer Concentration Risk | Major Customer Three | Accounts Receivable |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments | 14.00% | 13.00% |  |  |  |  |
Customer Concentration Risk | Major Customer Three | Contract Asset |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments | 11.00% | 15.00% |  |  |  |  |
Customer Concentration Risk | Major Customer Four | Accounts Receivable |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  | 10.00% |  |  |  |  |
Customer Concentration Risk | Major Customer Four | Contract Asset |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments | 10.00% |  |  |  |  |  | 13.00%
Power Industry Services | Product Concentration Risk | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 82.80% | 76.50% | 82.80% | 73.80% |
Power Industry Services | Customer Concentration Risk | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Number of customers |  |  | 3 | 3 | 2 | 3 |
Power Industry Services | Customer Concentration Risk | Major Customer One | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 30.00% | 27.00% | 27.00% | 28.00% |
Power Industry Services | Customer Concentration Risk | Major Customer Two | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 17.00% | 14.00% | 23.00% | 13.00% |
Power Industry Services | Customer Concentration Risk | Major Customer Three | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 13.00% | 12.00% |  | 10.00% |
Industrial Construction Services | Product Concentration Risk | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 15.20% | 21.90% | 15.10% | 24.30% |
Telecommunications Infrastructure Services | Product Concentration Risk | Revenue |  |  |  |  |  |  |
Customer Concentrations |  |  |  |  |  |  |
Percentage of major customers or segments |  |  | 2.00% | 1.60% | 2.10% | 1.90% |

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