The Gill Insurance Agencies
- Independent agency writing personal and commercial policies; includes company profile, details on services, and directions to their offices in Rock Hill and Fort Mill.
- http://www.gillagencies.com/

Home Builders Association of York County
- Trade association for residential building professionals; includes member directory, related links, and events calendar.
- http://www.yorkcountyhomebuilders.com/

Tega Cay and Lake Club Marinas
- Two locations along Lake Wylie. Includes services and contact information.
- http://www.tegacaymarina.com/

York County Economic Development Board
- Learn how the county capitalizes on its geography by offering a South Carolina option for a Charlotte region location; includes sections on quality of life, building sites and existing industry.
- http://www.ycedb.com/

Bank of York
- Offers business and personal banking services from locations in Rock Hill, York, and Lake Wylie; includes details on products, rates, and directions.
- http://www.bankofyork.com/

Comporium Communications
- Provides telephone, cable, Internet, and data services to the county; includes details on services, rates, customer support, and locations.
- http://www.comporium.com/

York County Regional Chamber of Commerce
- Includes chamber profile, calendar of events, and membership roster. Also offers area demographics, newcomers packet, and events calendar.
- http://www.yorkcountychamber.com/

York Electric Cooperative
- A member-owned, not-for-profit electric cooperative located in York, South Carolina.
- http://www.yorkelectric.net/