DuPont (NYSE: DD) has expanded its Corian Design distribution partnership with Hallmark Building Supplies, Inc. and Parksite, increasing coverage across Mid-Atlantic and Midwest markets, according to a company press release dated Aug. 5, 2026.

Hallmark will serve customers in Eastern Illinois, Southern Indiana, Kentucky, Southern Ohio, Southern Virginia, and West Virginia. Parksite will cover Pennsylvania, Delaware, Maryland, Northern Virginia, and Northeast West Virginia.

The distribution realignment is intended to provide customers with access to regional teams, logistics support, technical resources, and customer service for Corian products, samples, and specification materials.

Both distributors will also support DuPont's 2026 Nature in Motion color launch, a collection of Corian Solid Surface and Corian Quartz products.

"As customer needs continue to evolve, we regularly assess our distribution network to ensure we are well-positioned to provide the highest level of service, support, and product availability," said Condylia Courtney, Global Business Director, Corian Design.