The Publicist
A Sylvia Marketing & Public Relations Intern Voices Project Events and conferences are a great way […]
Contact us
Philadelphia Public Relations Agency Firm Regional Home Office
Sylvia Marketing & Public Relations
1330 Ritner St., Philadelphia, PA 19148
630 Freedom Center Drive,
King of Prussia, PA 19406
results@sylviamarketing.com
215-817-3095
Harrisburg - Berks County- Lehigh Valley Public Relations - Regional Office
1290 Broadcasting Road
Wyomissing, PA
19610
Rated as a leader among Berks County Marketing Agencies
Relentless newsmakers
Sylvia Marketing is among the top public relations firms in Philadelphia serving clients worldwide
Globally Networked
Media Strategists
working hours
Wyomissing - 8 AM - 5 pm
Philadelphia/KOP - 9 AM - 6 PM
Around the clock for crisis clients
Recognized as one of the leading marketing agencies in Philadelphia for Crisis Communications
Philadelphia Marketing Agencies
© 2026 Sylvia Marketing & Public Relations. Sylvia Marketing & Public Relations