UNCOMPLETED CONTRACTS (Details) - USD ($)	Jun. 30, 2026	Sep. 30, 2025
UNCOMPLETED CONTRACTS
Costs incurred on contracts in progress	$ 565,061,543	$ 471,208,654
Estimated earnings, net of estimated losses	99,663,389	71,159,322
Costs of uncompleted contracts including net estimated earnings	664,724,932	542,367,976
Less billings to date	647,990,300	536,231,730
Unbilled contracts	16,734,632	6,136,246
Costs and estimated earnings in excess of billed on uncompleted contracts	43,901,138	34,455,011
Less billings in excess of costs and estimated earnings on uncompleted contracts	27,166,506	28,318,765
Unbilled contracts receivable	16,734,632	6,136,246
Backlog	$ 286,600,000	$ 259,700,000