STRUCTURAL/CIVIL ENGINEERING

IIA is a leading provider of structural engineering services in the U.S. and Canada.

IIA is a leading provider of structural engineering services for industrial, commercial, institutional and construction projects in the United States and Canada. Our goal is to provide our clients with cost-effective and high-quality engineering solutions around our core competencies, which are: steel and concrete design, specialty concrete foundations, concrete slab design, open web steel joist reinforcements, structural steel, and temporary shoring plans. You can rely on our professional engineers to support projects in the following areas.

Industrial Plants


  • Mezzanines, Machine Bases, Work Platforms, Catwalks, Canopies & Other Industrial Structures
  • Plant Additions/Upgrades
  • Pre-Start Health & Safety Reviews (PSRs)
  • Loading Docks & Ramps
  • Overhead Crane Structure Design / Upgrading / Engineered Lifts
  • Other Shop Cranes / Below The Hook Design
  • Building Modifications & Expansions
  • Fall Protection Systems, Including Horizontal & Vertical Lifeline Systems & Guard Railing
  • PSRs for Lift Equipment & Industrial Racking
  • Heavy Machine Foundations & Bases
  • Rooftop Unit (RTU) Equipment Supports
  • Open Web Steel Joist Reinforcement (OWSR) Design
  • Smoke Stack Design
  • General Structural Steel and Concrete Design

Building Restoration


  • Rehabilitation of Walls, Parking Garages, Floor Slabs, Balconies & Foundations
  • Structural Reinforcement of Existing Structures
  • Structural Redesign/Modification
    • Condition Survey Reports
    • Shoring & Reshoring
    • Steel & Concrete Repair Procedures
    • Jacking Procedures
  • Open Web Steel Joists Reinforcement
  • Temporary Shoring, Re-shoring & Scaffold Design
  • Building Code Compliance
  • Concrete Slabs, Retaining Walls, Culvert Design
  • Repair Procedures for Concrete or Steel Structures
  • Project Management
  • Building Renovation Projects
  • Project Permitting & Tendering

Construction Support


  • Steel & Concrete Design
  • Building Modifications
  • Demolition Plan & Review
  • Pre-Condition / Pre-Construction Surveys
  • Structural Detailing Quality Verification Engineer (QVE)

Overhead & Shop Cranes


  • Design & Structural Assessment
  • Upgrades to Existing Cranes
  • Critical Lift Planning
  • Monorails, Jib Cranes, & Workstation Cranes
  • Pre-Start Health & Safety Reviews

Additional Services


Our team includes certified inspection experts who are qualified to perform visual inspection and non-destructive testing (NDT) on the following structures: buildings, bridges, industrial structures, machinery, cranes, and rail and road vehicles. IIA is often contracted by various parties— government transportation agencies, regional municipalities, engineering firms, and general contractors—to inspect new fabrication, existing steel structures, and bridge structures. Our engineers often play a complementary role in backing our inspectors on these projects.

Why Choose IIA?


Our professional engineers strive to provide our clients with safe, innovative and value-added solutions in compliance with applicable design standards. We will work with your plant personnel through all phases of design and communicate continuously to ensure that the proper solution is attained throughout project development.

Our expertise also includes mechanical engineers and welding engineers to assist with other industrial projects. We also employ project engineers to bring engineering designs to realization and a full inspection department to ensure the quality of the work performed at your facility. Our project management team will ensure your project is completed on time and on budget, from start to finish.

Contact IIA Engineering Services Today

Certifications & Guidelines


  • ISO/IEC 17025: 2005
  • ISO/IEC 17065: 2012
  • ITAR Registered
  • FAR Part 145 Certification
  • Federal Firearms License (FLL)
  • NADCAP Accredited
  • ASNT Certified Level II & III
  • Our Facilities Meet a Variety of MIL-SPEC, ANSI, ASTM, and ASME Specifications
  • We Can Issue Your Approvals for USA, CANADA and EU Scopes