TWA Hotel at JFK





Yankee Stadium




432 Park Ave







Hudson Yards





Freedom Tower


Mason Industries

Mason East was founded in 1995 as the exclusive independent sales agent for Mason Industries.

ECORE International

We’ve been partnered with ECORE International since 2012 and help with all of their Acoustics needs.

American Steam Inc.

American Steam Incorporated brings the best in boiler service to the commercial industry.

Weiss Instruments

Mason East has been working, and gained exclusive representation with Weiss Instruments since 1998.


We’re partnered with Soundmask.  Soundmask systems combine leading technological innovation with elegant industrial design.

George Koch Sons, LLC

George Koch Sons, LLC (KOCH) deliver a superior class of automated finishing systems.

Our History

Mason East was founded in 1995 as the exclusive independent sales agent for Mason Industries. Since 1995, the company has gained exclusive representation with Weiss Instruments in 1998 and ECORE International in 2012. On September 1, 2001 the Philadelphia office, located in Neshaminy, was opened. The salesmen with assigned accounts and territories in the Philadelphia office include: Doug Valerio, Rafael Burgos and Dylan Morroni. Mason East’s goal is to be considered the most service orientated representative to any of the companies that we supply, by providing impeccable service the sales will always follow. It is also our policy to quote every project in the territory, whether we are specified or not. By providing superior customer service our overall sales are based on 90% repeat business.

Construction Management

Professional construction project management is essential for facilitating and directing the entire process to achieve ideal results.

Pre-construction Services

We take our time on initial planning before any construction begins, to balance all the financial and efficiency issues beforehand…

Our Projects

Our construction company has a long experience of work within numerous commercial, NGO and governmental fields and industries…