Walmart — the world's largest retailer — is now issuing a warning to customers that they may be paying more for the same products if President-elect Donald Trump makes good on his promise to impose new tariffs on imports.

TJX Companies CEO Ernie Herrman said during an earnings call that the company could benefit from President-elect Trump's proposed tariffs on imported goods.

As an increasing number of retailers make plans to prepare for tariffs, the idea of them becomes more looming. Here are eight companies that have been outspoken about tariff risks.

Trump promised voters tariffs are a panacea for the economy, but Walmart finance chief John David Rainey warned they will be inflationary for customers.