Contractor record

BLACKSTONE DEVELOPMENT LLC

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	101	quiet	3	3		Jul 30, 2015

Head to head

The market leader and BLACKSTONE DEVELOPMENT LLC’s nearest rivals in each market, by permits on record. Click any name to compare.

1	ALL ACCESS CO	85
101	Finch Development LLC	3
101	BLACKSTONE DEVELOPMENT LLC	3
101	Ascent Design and Builder LLC	3
101	FERKO PLUMBING & HEATING CO INC	3
101	S A COMUNALE CO INC	3
101	DWD MECHANICAL CONTRACTOR INC	3
101	JV BROTHERS REMODELING INC	3
101	SHOEMAKER CONSTRUCTION CO	3
101	Masada Custom Builders, Inc.	3
101	AL-KAUN CO	3
101	FIRE TECH AUTOMATIC	3
101	ATB ELECTRIC INC	3
101	ERNEST BOCK & SONS, INC.	3
101	J R'S ELECTRIC	3
101	FLATIRON BUILDING COMPANY	3
101	COSCIA MOOS ARCHITECTURE LLC	3
101	BALLARD SPAHR LLP	3
101	EQUINOX MANAGEMENT & CONSTRUCTION LLC	3
101	NEW LIGHT ELECTRIC INC	3
101	URBAN CORE INC	3
101	BBJ MECHANICAL INC	3
101	RUGGIERO PLANTE LAND DESIGN LLC	3
101	4041 CORPORATION	3
101	NORTHEAST BUILDERS LLC	3
101	LORENZON BROTHERS COMPANY	3
101	Colliers Engineering & Design	3
101	CHARLES G WRIGHT	3
101	DIANTONIO & BONGIOVANNI LLC	3
101	Christopher Johnson	3
101	DK CLEANING CONTRACTORS LLC	3
101	JOE IANOALE ELECTRIC LLC	3
101	BF Capital Developers LLC	3
101	STUART ROSENBERG	3
101	Paul Keeser	3
101	KASER MECHANICAL LLC	3
101	OK PLUMBING LLC	3
101	NESHAMINY CONSTRUCTORS INC	3
101	LF Driscoll Company LLC	3
101	A P CONSTRUCTION INC	3
101	MCDONALD BUILDING CO LLC	3
101	HONG DA CONSTRUCTION INC	3
101	MMB CONTRACTORS INC	3
101	FRANK ESPOSITO CONST CO INC	3
101	ERICKSON C & SONS INC	3
101	SPRING GARDEN CONSTRUCTION CO	3
101	MARX MEU, INC.	3
101	TRINITY CONSTRUCTION SERVICES, LLC	3
101	TOMMY TRAN	3

Date	Metro	Work	Devices	Filing
Jul 30, 2015	Philadelphia	New install	1	541782 ↗
Apr 1, 2014	Philadelphia	New install	1	516226 ↗
Apr 18, 2013	Philadelphia	New install	1	455802 ↗

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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.