Pennoni

3100 Horizon Drive
Suite 200
King of Prussia, PA 19406
610-277-2402
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Consulting Engineering, Quality Assurance, and Construction Materials Inspection

Pennoni is an employee-owned consulting engineering firm serving public and private clients. Its capabilities include quality assurance, bridge fabrication inspection, special inspections, and construction materials testing, alongside a broader range of engineering and design services.

With a network of offices and a multidisciplinary team, Pennoni helps clients address infrastructure and development challenges while considering the communities those projects serve.

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About Pennoni

Pennoni brings together technical expertise, local knowledge, and collaboration to develop engineering solutions for the built environment. The firm emphasizes lasting client relationships and an understanding of each project’s goals, constraints, and community impact.

As a 100% employee-owned organization, Pennoni connects employee ownership with personal investment in its projects and client relationships. Its approach combines established engineering practices with newer technologies to address changing infrastructure needs.

For inspection and testing professionals, Pennoni’s work demonstrates how field observations, laboratory results, and engineering judgment contribute to larger construction and infrastructure projects.

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Bridge Fabrication and Structural Materials Inspection

Pennoni provides fabrication engineering and inspection for bridges, structural steel, precast and prestressed concrete, highway materials, and coatings.

Its structural materials team includes engineers, certified inspectors, and technicians. These capabilities support quality assurance during fabrication and connect materials inspection with broader engineering expertise.

Special Inspections and Construction Materials Testing

Pennoni’s construction materials practice combines field inspection, laboratory testing, and materials consulting. Its special inspection teams draw on construction materials, geotechnical, and structural engineering expertise.

Services include:

  • Special inspections for construction projects.
  • Laboratory testing and evaluation of construction materials.
  • Materials consulting to support project decisions.
  • Fabrication inspection for structural components.

The company operates testing laboratories in King of Prussia, Pennsylvania, and Haddon Heights, New Jersey. Contact Pennoni for the testing capabilities and accreditation scope applicable to a particular project.

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Construction and Infrastructure Engineering

Pennoni also provides construction management and construction engineering inspection for bridges, highways, and roadways. Additional capabilities include bridge inspection, structural condition assessments, underwater inspection, and repair and rehabilitation design.

This range connects inspection work with the engineering needed to plan improvements and evaluate existing infrastructure.

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Project Experience

Pennoni’s project portfolio gives readers a closer look at how its services are applied. Examples include transportation infrastructure, healthcare facilities, commercial buildings, educational campuses, and public spaces.

Projects relevant to inspection and testing professionals include:

  • One World Trade Center: Listed within Pennoni’s construction engineering and construction materials engineering and testing portfolio.
  • State transportation agency programs: Quality assurance inspection assignments associated with fabrication and coatings.
  • Bridge evaluation and monitoring: Projects involving existing structures, condition assessment, and infrastructure performance.
  • Bridge research and technology: Work involving bridge deck assessment tools and the integration of nondestructive evaluation data.

The portfolio can be filtered by market or service, making it useful for exploring projects that align with a particular technical background or business need.

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King of Prussia Office and Laboratory

Pennoni’s King of Prussia location includes an on-site laboratory. It provides a local point of contact for organizations seeking information about the firm’s capabilities and project support.

Office Address:
Pennoni
3100 Horizon Drive
Suite 200
King of Prussia, PA 19406

Phone: 610-277-2402

Pennoni’s office directory also lists locations across multiple states. Visit the directory to identify an office and connect with the appropriate team for your location or project.

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