MAJOR CUSTOMERS

12 Months Ended

Sep. 30, 2023

MAJOR CUSTOMERS

MAJOR CUSTOMERS

21. MAJOR CUSTOMERS

The tables below present customers that represent 10.0% or more of the Company’s revenue or accounts receivable, net of retention as of or for the fiscal years ended September 30, 2023, and 2022:

Revenue	FY 2023		FY 2022
TransCanada Corporation	13.9	%	16.6	%
NiSource and subsidiaries	17.5	%	*	%
All other	68.6	%	83.4	%
Total	100.0	%	100.0	%

* Less than 10.0% and included in “All other” if applicable

Accounts receivable, net of retention	FY 2023		FY 2022
NiSource and subsidiaries	11.8	%	*	%
TransCanada Corporation	*	%	11.6	%
All other	88.2	%	88.4	%
Total	100.0	%	100.0	%

* Less than 10.0% and included in “All other” if applicable

Virtually all work performed for major customers was awarded under competitive bid fixed price or unit price arrangements. The loss of a major customer could have a severe impact on the profitability of the operations of the Company. However, due to the nature of the Company’s operations, the major customers and sources of revenues may change from year to year.