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

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

Project: Superbowl LI Cellular Network Modifications

Innovative and Practical Engineering Solutions

Service detail: Structural Engineering

Specializing in geotechnical, structural, and civil engineering excellence

Project: Big Beaver Bridge

Driving Innovation and Digitization in Engineering

Service detail: Civil and Infrastructure Engineering

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

Project: Washington Avenue Streetscape Project

Mission-Driven.

Project: Naval Air Station North Island Soil Investigation

Engineering, Surveying, and Inspections

Project: 95REVIVE Pottstown Expressway Reconstruction

We build confidence

Project: Offset Success for Aviation Client

Enhancing communities and the built environment.

Project: SFO Harvey Milk Terminal Boarding Area B

Practical Solutions. Designed to Last.

Service detail: Civil Engineering

Engineering with integrity & purpose.

Project: The Virginia Vanguard

California's Only One Stop Shop

Service detail: Planning and Permitting

Texas Civil Engineering Professionals

Project: Iowa Colony City Engineer

Afridi Associates provides professional consulting engineering services specializing in transportation infrastructure, public buildings, and geotechnical engineering. It delivers solutions for highways, bridges, rail systems, airport terminals, and waterfront structures across the northeastern United States.

Project: JFK Terminal One Reconstruction

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

Geotechnical engineering, structural design, and construction materials testing in the Texas Panhandle

Project: City of Amarillo Osage WTP High Service and Transfer Pump Station

Engineering consulting and construction support services in the New York Metropolitan Area

Service detail: Geotechnical Engineering

Innovative Solutions to Complex Problems

Project: Switchback Autonomous Ground Platform

Geotechnical, environmental, and materials testing services in South Florida

Service detail: Construction Material Testing

When You Need to Know Why

Service detail: Forensic Analysis and Failure Investigation

Structural Engineering in Alaska

Project: Lena Cove Residence, Juneau, Alaska

Building a Better Texas

Project: US 77 Geotechnical Investigation