The International Home Furnishings Center in High Point, NC, part of the IMC portfolio.

ATLANTA, HIGH POINT, NC and LAS VEGAS—International Market Centers, which Blackstone acquired last year, and AmericasMart — both operators in the furniture, gift, home décor, rug and apparel B2B industries — have agreed to combine to create what they say will be the world’s largest owner and operator of showroom space. Financial terms of the deal were not disclosed.