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Suppliers and subcontractors

Our relationships last

We connect with trusted partners to build long-term success.

We value the critical role our suppliers and subcontractors play in delivering the safe, high‑quality assets which connect our communities. By partnering with like‑minded businesses that share our commitment to respect, reliability, honesty and care, we sustain working relationships which deliver lasting social, economic and environmental benefits for our communities.

Register to be a supplier

McIlwain uses EstimateOne to forward supplier requests.

If you would like to be sent opportunities to become a supplier for McIlwain, please email procurement@mcilwain.com to register your interest.

How to register with EstimateOne
1. Register for an EstimateOne account.
2. Check your inbox regularly for any request for quotations that are sent by McIlwain.
3. Once you receive a RFQ login to your EstimateOne account, view our tender library and commence your application.
4. Submit your application as per the instructions detailed in the request for quotation email.

Register now
Image of Robex 145 being used on a McIlwain project