Companies from Stanley Black & Decker to Conagra are saying tariffs will cost them hundreds of millions

Companies behind some of America's best-known brands are warning that tariffs will raise costs by hundreds of millions of dollars as Friday's key deadline nears.

Firms are gearing up for the long-awaited Friday deadline, when the White House says it will start imposing higher import taxes on foreign countries. Now businesses in a range of industries are saying this shakeup in global trading practices will cost them.

Tool maker said Tuesday it expects an $800 annualized hit from policy changes tied to tariffs. That doesn't include costs in connection with steps the company is taking to mitigate the effects of the levies, according to finance chief Patrick Hallinan.

For Marie Callender's and Slim Jim parent , higher tariffs are expected to raise its costs of goods sold by 3%, equivalent to an annual increase of more than $200 million, CEO Sean Connolly said earlier this month.

Most of the Chicago-based company's production is in the U.S., but management says it still has to contend with steel and aluminum tariffs that will raise the cost of packaging.

, led by President Trump's erstwhile ally Elon Musk, said that costs tied to tariffs have increased by about $300 million. Roughly two-thirds of that is tied to the electric vehicle maker's auto business, while the rest is from the energy arm.

“While we are doing our best to manage these impacts, we are in an unpredictable environment on the tariff front,” finance chief Vaibhav Taneja told analysts and investors on Tesla's earnings call last week.

Those pressures extend throughout the auto industry. said earnings before interest and taxes in the latest quarter suffered a $1.1 billion hit that the Detroit-based automaker chalked up to the net effect of tariffs.