Find engineering consulting firms by capability and location.

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Project: Mirador

Engineering Confidence From the Ground Up

Service detail: Structural Design

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

Project: O'Hare Terminal 3, Concourse L Expansion

Innovative, Trusted Structural Engineering Since 1996

Service detail: Core Structures

A-1 Engineering, LLC is a structural and civil engineering practice founded in 2011, headquartered in San Antonio, Texas, with an additional office in Austin. A family-owned business, it serves property owners, developers, and contractors across residential, commercial, industrial, and institutional project types throughout central Texas. Its engineers perform foundation assessments, structural and civil designs, forensic investigations, and drainage consulting, while supporting clients with independent guidance on foundation repair decisions, load-bearing wall removals, and solar panel framing.

Service detail: Structural Engineering

Leaders in professional engineering for over 40 years

Project: Passamaquoddy Water Treatment Plant

Civil and Structural Engineers Montana

Project: Flathead Lake Engineered Septic System

Designing America's Energy Lifelines

Service detail: Chemical and Process Design

We build confidence

Project: Offset Success for Aviation Client

Aviation architecture, engineering, and prefabricated air traffic control cab fabrication.

Project: Orlando-Melbourne International Airport Improvements

Many Disciplines One Team

Project: Haven Hollow Park Improvements

Every structure needs a permit, and every permit needs an engineer's certified stamp.

Service detail: Structural Engineering

The command center for infrastructure and safety. Operational readiness. Absolute precision.

Project: Pier B On-Dock Rail Support Facility

Key to reliable engineering, business and software solutions

Service detail: Infrastructure and Engineering

Construction management and inspection services for infrastructure projects

Project: Caltrans, District 3 On-Call Construction Inspection Services; Highway 70 Widening

Allison Structural Group is a Columbus, Ohio-based structural engineering and inspection consulting practice serving developers, architects, contractors, realty companies, and facility owners. It provides structural design for new and existing buildings, site civil consulting, condition assessments, and industrial support structures. Project types range from residential additions and tenant improvements to industrial plant upgrades and commercial property acquisitions. The practice delivers projects using BIM and Revit for clear, coordinated design documentation.

Project: Sawmill Place Apartment Building

Your Vision, Our Commitment - Built to Last in Whatcom, Skagit, and Beyond

Project: Bellingham Fountain District Mixed-Use Building

Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.

Project: Forensic Investigation for Edenville Dam Failure

Raising the Quality Standard

Project: NY Botanical Garden Dome

Consultants, engineers, and trusted advisors improving infrastructure and quality of life.

Project: NYS Thruway Bridges Biennial Inspection

We Know How

Service detail: Mechanical Engineering

Engineering Design + Analysis

Service detail: Structural Analysis and Design

Bringing Vision to Reality Since 2014

Project: The Rochester at Blue Parkway

Engineering Water Systems Beyond Expectation

Service detail: Project Management