Vendor Information

Welcome, Vendors! This page includes important links and information about doing business with ENWIN.  All questions and concerns can be directed to

Bid Opportunities

ENWIN values competition in the market and encourages participation from our supplier community in our initiatives. Procurement opportunities are posted on  Click here to access the ENWIN landing page and see current opportunities.  Want to stay informed of upcoming bids?  Sign up in Biddingo, indicate the categories of goods and/or services that are relevant to your business and you will receive email notices when bids are posted. 



Insurance Documents

Vendors are encouraged to submit Certificates of Insurance and WSIB documentation electronically to

Electronic Funds Transfer

Payments are made via Electronic Funds Transfer (EFT).  If you are a new vendor or an existing vendor and have not yet signed up for EFT payments, please click this link, and follow the instructions on the form to get set up.  Click here to download


Standard Terms and Conditions

Standard Terms and Conditions


Health and Safety Contractor Requirements

General Contractor Requirements for Health and Safety

Health Safety Policy

Water Engineering

Design Guidelines and Specifications - November 2022

If you require any part of this document in an accessible format, please contact Water Division Customer Service at 519-255-2727, ext. 824.