Halldin Public Relations
Offering strategic marketing and media relations services to corporations.
Hallmark Public Relations Limited
Business to business and corporate public relations consultancy operating in the UK and internationally.
Harrington Communications
Provides public relations services to the automotive, high tech and fashion industries. Located in the NYC metro.
Haslimann Taylor Ltd
Public relations for property and buildings, consumer and leisure products, and industry and technology. Part of The Shandwick Group.
Hass Associates Inc.
New media for use in public relations and public affairs.
HB Communications
Provides a wide range of affordable public relations, marketing communications, copywriting and editorial services.
Hewitt Communications
Provides public relations services for non-profits, commercial enterprises, community organizations, government agencies, and individuals.
High Road Communications
Full service public relations firm exclusively dedicated to helping high technology companies build their business.
Hilary Kaye Associates, Inc.
Specializing in public relations for emerging technology companies providing media campaigns, corporate branding, and brochures.
Hill and Knowlton
Full-service public relations and public affairs consultancy.
Hisaoka Public Relations
A full service public relations firm located in Washington DC, specializing in media relations, special events, community relations and creative services.
Hoffman and Hoffman
Works to improve the lives of the world's poor through responsible and effective public relations for clients such as the World Bank and the World Health Organization.
Hogarth Partnership Ltd.
A UK firm offering strategic communications advice in financial PR and corporate reputation management.
HSD Communications
U.K based healthcare public relations agency with vast experience in pharmaceutical consultancy, promoting charities, medical conferences and health care exhibitions.
Hyde Park Communications
A strategic public relations and public affairs firm providing high-level counsel in issues management, media relations, corporate communications, crisis management, and advocacy.