Kar's Nuts looks to crack new markets with corporate name change New innovation center being built in Clinton Township Company to roll out new products in March Kar's Nuts, the nearly 90-year-old metro Detroit snack staple, has changed its corporate name and is investing millions of dollars into an innovation center and infrastructure improvements. The Kar's umbrella company takes on the name of its healthier snack line, Second Nature Brands, the Madison Heights-based company announced Tuesday. The change aligns with the company's ambitions to broaden distribution and eat up more of the growing "health conscious" market as it closes in on $200 million in annual revenue, CEO Victor Mehren told Crain's.