We are the oldest
sign company in the
Pittsburgh, PA area.

Established in 1890, Seiferth Sign Company has been serving the greater Pittsburgh, PA and surrounding areas with quality products and services. The Company has grown steadily and earned a reputation for quality and on time delivery.

Angelo J. Marotto took ownership of the company in 1978. Prior to that he had been working for Seiferth Signs in the Silk Screen department. Angelo retired in 2013 and has handed the company over to his daughter, Theresa L. Marotto. Theresa has worked for Seiferth Signs since 1985 after graduating with A Bachelor of Science Degree in Graphics Design from La Roche College.

Seiferth Signs is a full service exterior and interior sign company with quality workmanship. We manufacture signs in our own facility. With our fleet of crane trucks we are able to install and service your signage needs.

Seiferth Signs staffs a full graphic design team to assist you with all of your signage needs. From inception to completion, with our creativity and years of experience, we guarantee a well-designed final product built to last of the highest quality and value.
As of January 2014, H.H. Seiferth Associates, Inc. is a woman-owned business certified by Pennsylvania United Certification DBE Certification.

The mission of Seiferth Signs is to provide our customers with exceptional quality and unsurpassed service, as the industry’s premier customized signage designer, manufacturer, and installer.