Find engineering consulting firms by capability and location.

AAA Engineering Design is a structural engineering firm based in Stanton, California, founded in 2009 by licensed Professional Engineer Aws Salahaldin. Serving Orange County, Los Angeles County, the Inland Empire, and San Diego County, AAA Engineering Design provides structural analysis, seismic retrofitting, ADU design, foundation engineering, and construction documentation for residential and commercial clients, with over 500 completed projects.

Project: CMU Warehouse Mezzanine

Committed. Experienced. Innovative.

Service detail: Design Services

Passion, Expertise, Quality & Results

Service detail: Civil Engineering

Multidisciplinary engineering, procurement, and construction management solutions

Service detail: Engineering and Design

We design with people in mind.

Project: UCSB Santa Catalina Residence Halls Fire Pump and Emergency Power

CSE Engineering & Consulting is a Cincinnati-based structural engineering and consulting firm serving Ohio, Northern Kentucky, southeastern Indiana, and beyond. Its principal engineer brings over 20 years of experience in structural engineering design, forensic assessment, and commercial due diligence, with licensed PE credentials in Ohio, Kentucky, Indiana, Michigan, Missouri, North Carolina, South Carolina, and Texas. CSE's portfolio spans industrial process structures, commercial buildings, and residential properties, with clients including architectural firms, financial institutions, construction companies, government agencies, and attorneys. The practice provides just-in-time structural and environmental assessment services and has completed projects nationally and internationally.

Project: 150-Foot Tall Industrial Process Structure

Unrivaled service. Unrivaled skill. Unrivaled results.

Service detail: Civil Engineering

Supporting America's Infrastructure

Project: Natural Gas Turbine Fleet Monitoring

Engineering Design That Gets Projects Approved, Built, And Delivered.

Service detail: Structural Engineering & Analysis

Innovation and technical precision are our core values.

Project: ADOT Rest Area Rehabilitation

Geotechnical consulting services for infrastructure, transportation, and environmental projects

Project: Anaheim Regional Transportation Intermodal Center (ARTIC), Phase 1

Delivering Your Vision

Service detail: Civil Engineering

Fiedler Group is a Pasadena, California-based design and engineering firm founded in 1957, specializing in fueling station and petroleum facility engineering. It provides site investigation reports, entitlement processing, design and engineering, permit acquisition, bidding and procurement assistance, construction support, and program management across the retail petroleum, convenience market, alternative fuels, industrial and petrochemical, food service, commercial, and government sectors throughout the United States. As of January 1, 2026, Fiedler Group joined TAIT and Associates.

Service detail: Design and Engineering

Commercial Design That Stands Out

Project: Warren CAT Oklahoma City Components Shop

Engineering Solutions Built on Precision.

Project: Retail Center Site Development

Right from the start.

Service detail: Civil Engineering

Over 40 Years of Experience

Project: Nationwide Children's Hospital Expansion

Florida's Trusted Structural Engineering Experts Since 1993

Service detail: Structural Engineering Design

Engineering of Electrical Power and Control Systems

Service detail: Electrical Engineering

An International Engineering and Technical Services Provider

Project: Marshall Phase 1 and 2 - Gas Turbine Project

Engineering and project management for power and energy projects

Service detail: Power Plant Engineering

Raman & Oundjian Engineers & Architects, PC (RO) is a full-service engineering, architecture, and energy services practice based in Secaucus, New Jersey. Founded in 2006, its team of engineers, architects, technicians, and office staff serves public and private clients across New York City and New Jersey, as well as major federal facilities. Core capabilities span structural engineering, MEP and fire protection, architectural design, roofing and building facades, energy efficiency consulting, and construction support, including 3D scanning and drone services.

Project: Bay View Houses Exterior Restoration and Roofing Replacement

Civil and structural engineering consulting dedicated to enhancing lives through better engineered buildings.

Project: Los Angeles Federal Reserve Building Renovation

Dedicated professional engineers, surveyors, and environmental scientists.

Service detail: Civil Engineering