Elkay Manufacturing has purchased Wisconsin-based Interior Systems Inc. The company, which will have the legal name of Elkay Interior Systems Inc., will continue to do business as Interior Systems Inc. going forward.

Elkay Interior Systems will be part of the company’s commercial industrial channel, which is led by Chris Gast, vice president and general manager.

Interior Systems Inc., also known as ISI, designs and manufactures seating, decor and other decor items for the foodservice industry. ISI has had a working relationship with Elkay for more than a decade through the latter’s Quetzal business in Mexico.