procurement by procuring entities operating in the fields of:
i production, transport or distribution of drinking water covered under this Annex;
ii production, transport or distribution of electricity covered under this Annex;
iii airport facilities covered under this Annex;
iv maritime or inland port or other terminal facilities covered under this Annex; and
v urban railway, tramway, trolley bus or bus services covered under this Annex in regard of supplies, services, suppliers and service providers from Canada;