| Schedule of revenue disaggregation by various categories |
MSA and Non-MSA revenue was as follows (in millions): | | | | | | | | | | | | For the three months ended September 30, 2026 | Segment | | MSA | | Non-MSA | | Total | Utilities | | $ | 721.9 | | $ | 49.0 | | $ | 770.9 | Energy | | | 131.5 | | | 1,092.3 | | | 1,223.8 | Intersegment eliminations | | | (18.4) | | | (23.9) | | | (42.3) | Total | | $ | 835.0 | | $ | 1,117.4 | | $ | 1,952.4 |
| | | | | | | | | | | | For the nine months ended September 30, 2026 | Segment | | MSA | | Non-MSA | | Total | Utilities | | $ | 1,779.0 | | $ | 337.4 | | $ | 2,116.4 | Energy | | | 354.8 | | | 2,824.3 | | | 3,179.1 | Intersegment eliminations | | | (18.4) | | | (76.6) | | | (95.0) | Total | | $ | 2,115.4 | | $ | 3,085.1 | | $ | 5,200.5 |
| | | | | | | | | | | | For the three months ended September 30, 2025 | Segment | | MSA | | Non-MSA | | Total | Utilities | | $ | 555.1 | | $ | 182.4 | | $ | 737.5 | Energy | | | 125.4 | | | 1,360.3 | | | 1,485.7 | Intersegment eliminations | | | (4.8) | | | (40.0) | | | (44.8) | Total | | $ | 675.7 | | $ | 1,502.7 | | $ | 2,178.4 |
| | | | | | | | | | | | For the nine months ended September 30, 2025 | Segment | | MSA | | Non-MSA | | Total | Utilities | | $ | 1,546.6 | | $ | 447.3 | | $ | 1,993.9 | Energy | | | 227.8 | | | 3,603.1 | | | 3,830.9 | Intersegment eliminations | | | (5.7) | | | (101.8) | | | (107.5) | Total | | $ | 1,768.7 | | $ | 3,948.6 | | $ | 5,717.3 |
Revenue by contract type was as follows (in millions): | | | | | | | | | | | | | | | For the three months ended September 30, 2026 | Segment | | Fixed-Price | | Unit-Price | | Cost Reimbursable (1) | | Total | Utilities | | $ | 116.6 | | $ | 507.6 | | $ | 146.7 | | $ | 770.9 | Energy | | | 575.8 | | | 166.9 | | | 481.1 | | | 1,223.8 | Intersegment eliminations | | | (34.7) | | | — | | | (7.6) | | | (42.3) | Total | | $ | 657.7 | | $ | 674.5 | | $ | 620.2 | | $ | 1,952.4 |
| (1) | Includes time and material and cost reimbursable plus fee contracts. |
| | | | | | | | | | | | | | | For the nine months ended September 30, 2026 | Segment | | Fixed-Price | | Unit-Price | | Cost Reimbursable (1) | | Total | Utilities | | $ | 335.6 | | $ | 1,382.4 | | $ | 398.4 | | $ | 2,116.4 | Energy | | | 1,734.6 | | | 509.9 | | | 934.6 | | | 3,179.1 | Intersegment eliminations | | | (77.3) | | | (0.7) | | | (17.0) | | | (95.0) | Total | | $ | 1,992.9 | | $ | 1,891.6 | | $ | 1,316.0 | | $ | 5,200.5 |
| (1) | Includes time and material and cost reimbursable plus fee contracts. |
| | | | | | | | | | | | | | | For the three months ended September 30, 2025 | Segment | | Fixed-Price | | Unit-Price | | Cost Reimbursable (1) | | Total | Utilities | | $ | 118.3 | | $ | 466.8 | | $ | 152.4 | | $ | 737.5 | Energy | | | 951.2 | | | 158.2 | | | 376.3 | | | 1,485.7 | Intersegment eliminations | | | (32.6) | | | (5.6) | | | (6.6) | | | (44.8) | Total | | $ | 1,036.9 | | $ | 619.4 | | $ | 522.1 | | $ | 2,178.4 |
| (1) | Includes time and material and cost reimbursable plus fee contracts. |
| | | | | | | | | | | | | | | For the nine months ended September 30, 2025 | Segment | | Fixed-Price | | Unit-Price | | Cost Reimbursable (1) | | Total | Utilities | | $ | 306.8 | | $ | 1,254.9 | | $ | 432.2 | | $ | 1,993.9 | Energy | | | 2,627.6 | | | 452.3 | | | 751.0 | | | 3,830.9 | Intersegment eliminations | | | (83.8) | | | (15.5) | | | (8.2) | | | (107.5) | Total | | $ | 2,850.6 | | $ | 1,691.7 | | $ | 1,175.0 | | $ | 5,717.3 |
(1)Includes time and material and cost reimbursable plus fee contracts.
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