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History

A Company with a Storied History

Since our first predecessor firm opened in 1912, STV has delivered iconic, first-of-a-kind projects that have had a generational impact on the communities we serve. And we’ve accomplished this by partnering with repeat clients who continue to turn to us because we deliver on what we promise. 

To grow into what we are today, it took integrity, partnership and an optimistic outlook that have allowed us to strengthen our core and build upon that foundation that was first laid more than 100 years ago.

1912 - Elwyn E. Seelye Co. Founded in New York City
1938 - Elwyn E. Seelye collaborates on Jefferson Memorial1945 - Pottstown Tool & Engineering Company created1951 - Firm becomes Seelye Stevenson Value & Knecht1967 - Sanders & Thomas merge with Voss Engineering forming STV1972 - STV, Inc. acquires Seelye Stevenson Value & Knecht1983 - STV acquires Lyon Associates1989 - Silver & Ziskind joins STV1991 - Corporation renamed to STV Group2006 - STV purchases Ralph Whitehead AssociatesSTV celebrates 100-year anniversary2012 - STV acquires vbn/ARCHITECTURE2014 - STV acquires GWD2015 - STV acquires DPMSTV acquires CP&Y2023 - There's a new way to see STV.

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