| Schedule of costs, estimated earnings and billings on uncompleted contracts |
| | | | | | | | | March 31, 2026 | | September 30, 2025 | Costs incurred on contracts in progress | | $ | 478,785,961 | | $ | 471,208,654 | Estimated earnings, net of estimated losses | | | 80,553,250 | | | 71,159,322 | | | | 559,339,211 | | | 542,367,976 | Less billings to date | | | 562,039,778 | | | 536,231,730 | | | $ | (2,700,567) | | $ | 6,136,246 | | | | | | | | Costs and estimated earnings in excess of billed on uncompleted contracts | | $ | 26,773,714 | | $ | 34,455,011 | | | | | | | | Less billings in excess of costs and estimated earnings on uncompleted contracts | | | 29,474,281 | | | 28,318,765 | | | | | | | | | | $ | (2,700,567) | | $ | 6,136,246 |
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