Contractor record

WM AJ SHAEFFER'S SONS INC

permits on record

devices covered

markets active

IND

independent

Standing by market

Market	Rank (all time)	Rank (TTM)	Permits	Devices	Est. value	Last filing
Philadelphia	57	quiet	5	5		Jan 27, 2016

Head to head

The market leader and WM AJ SHAEFFER'S SONS INC’s nearest rivals in each market, by permits on record. Click any name to compare.

1	ALL ACCESS CO	85
57	TBC LLC	5
57	MARANO ELECTRIC INC	5
57	SMITH CONSTRUCTION CO OF PHILADELPHIA	5
57	WM AJ SHAEFFER'S SONS INC	5
57	IAN SMITH	5
57	Permit Philly LLC	5
57	KNIGHT RIDER CONSTRUCTION	5
57	A & S SPRINKLER CO INC	5
57	D'LAURO & RODGERS INC	5
57	DIAMOND SCOOTERS, INC.	5
57	HC PODY COMPANY	5
57	PLATINUM GUTTERS INC	5
57	CHADWICK SERVICE COMPANY	5
57	FRANK FISHER INC	5
57	BSI CONSTRUCTION LLC	5
57	GILBANE BUILDING COMPANY	5
57	HUNTER ROBERTS CONSTRUCTION GR	5

Date	Metro	Work	Devices	Filing
Jan 27, 2016	Philadelphia	Modernization	1	655631 ↗
Sep 10, 2015	Philadelphia	Modernization	1	637698 ↗
May 3, 2012	Philadelphia	Modernization	1	398827 ↗
Dec 18, 2008	Philadelphia	Modernization	1	190910 ↗
Jun 12, 2008	Philadelphia	Filing	1	150791 ↗

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Built from public permit filings; first appears in our records Jul 10, 2026. Corrections and identity merges: see the methodology page.