United Communications
- PR and advertising agency offering integrated marketing communications. Capabilities include brand marketing, graphic and web design, corporate and media relations and crisis management. Includes profile, services, pressroom and contact information. Ba
- http://www.united.de/en/

Upward Curve PR Ltd
- PR agency specializing public and not for profit sectors. Capabilities include media relations, crisis management, event organization and strategic counsel. Includes company profile, services, case studies and contact information. Based in Surrey, Engl
- http://www.upwardcurve.co.uk/

Upstream Asia
- Describes the firm's people, capabilities, clients, and regional network, along with its preferred and strategic partners.
- http://www.upstreamasia.com/

Ulled Comunicacion
- Describes services, products, and clients. Includes case studies and news. [Spanish, English, Portuguese and French languages]
- http://www.ulled.com/

Uschi Liebl
- Specialises in tourism industry. Includes information on services, clients, and founder's background.
- http://www.liebl-pr.de/

USA Marketing Associates
- Provides public relations, marketing communications, web design, and strategic planning services for technology and industrial companies.
- http://www.usadma.com