U.S. firms headquartered domestically will soon face difficulties obtaining business in Ontario after its Premier Doug Ford issued a new ban affecting public sector contracts in response to the escalating trade war between the United States and Canada. The move, a direct shot at President Trump's aggressive tariff tactics, "locks out" AEC firms from an estimated $139 billion market for infrastructure projects.The market for architectural services industries in all of Canada reached $7.2 billion in 2023. U.S. firms have won $147 million worth of Toronto city government contracts in the last two years alone, per the CBC. (h/t Global Construction Review)