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The Castle Group

Construction · Philadelphia, Pennsylvania

Philadelphia, Pennsylvania, United States20 employees$4.8M revenue
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Products & Services

ConstructionIndustrial constructionstructuralmarine engineeringmarineengineeringmarine constructionrehabilitationunderwater inspection services hydrographicunderwaterinspectionserviceshydrographicunderwater inspectioninspection servicesservices hydrographicunderwater inspection servicesinspection services hydrographicfathometric surveyfathometricsurveyside scan sonarsidescansonarside scanscan sonardesignbuild prefabricated bridgesbuildprefabricatedbridgesbuild prefabricatedprefabricated bridges

About The Castle Group

The Castle Group offers comprehensive and cost-effective solutions from underwater design and analysis to bridge construction repair and consultation.

Its primary NAICS classification is 541330 (Engineering Services). The Castle Group is one of 8,800 Construction companies listed in Pennsylvania.

Business Contact Information

Phone
+1 (609) 2613422
Fax
+XXX (609) 2613422
Address
1336 Snyder Ave, Philadelphia, Pennsylvania, 19148, United States

Industry & Classification

Industry
Construction
Sector
Construction
Segment
Industrial construction
IndustryConstructionConstructionIndustrial construction

NAICS Codes

  • 54Professional, Scientific, and Technical Services
  • 5413Architectural, Engineering, and Related Services
  • 541330Engineering Services

SIC Codes

  • 87Engineering, Accounting, Research, Management, And Related Services
  • 871Engineering, Architectural, And Surveying
  • 8711Engineering Services

Company Details

Employees
20 (11-20)
Annual Revenue
$4.8M ($1M-$5M)

The Castle Group: frequently asked questions

What does The Castle Group do?

The Castle Group offers comprehensive and cost-effective solutions from underwater design and analysis to bridge construction repair and consultation.

Where is The Castle Group located?

The Castle Group is headquartered at 1336 Snyder Ave, Philadelphia, Pennsylvania, 19148, United States.

How many employees does The Castle Group have?

The Castle Group has about 20 employees (the 11-20 range).

What is The Castle Group's annual revenue?

The Castle Group's annual revenue is estimated at $4.8M (the $1M-$5M range).

What industry is The Castle Group in?

The Castle Group is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).

How can I contact The Castle Group?

Its website is www.wjcastlegroup.com and its phone number is +1 (609) 2613422.

What companies are similar to The Castle Group?

Other large construction companies in Pennsylvania include Toll Brothers Inc, Westinghouse Electric Company LLC, Asplundh Tree Expert LLC and Soletanche Freyssinet.

Largest construction companies in Pennsylvania

Largest companies in Pennsylvania

Largest construction companies

Manufacturing sales in Pennsylvania, 2026

In Pennsylvania, Factur's 2026 study counted 44 manufacturing quotes worth $1.6M and 10 purchase orders over 12 months: 23% of quotes became orders, against 21% nationally. See the Pennsylvania data.

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