BLT Architects

Bower Lewis Thrower Architects (BLTa) is a US architectural firm, founded and headquartered in Philadelphia, Pennsylvania.

BLTa was founded as "Bower & Fradley Architects" in 1961 by John Bower and Fred Fradley. In 1978, the firm was renamed to "Bower Fradley Lewis Thrower Architects." The firm kept this name until 1980 when the title changed to "Bower Lewis Thrower Architects." This was shortened in the late 2000s to BLTa for marketing purposes.

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