"IMPORTANT: Aecon uses ISNetworld as our primary system for managing subcontractor health & safety/insurance prequalification requirements. If your company is already an active subscriber to ISN, please be advised you will no longer be required to maintain a prequalification account via this portal. For further details about ISNetworld, please contact the ISN Customer Service Team at (800) 976-1303 or visit their website at www.isn.com. For questions regarding the subcontractor prequalification process, please contact subconprequal@aecon.com"

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