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.

Your Trusted Engineering Partner

Your Partner for Efficient and Effective Design

Improving Life. By Design.

Industrial Facility Engineering

Engineering with integrity & purpose.

California's Only One Stop Shop

Changing the World Since 1977

Built on Precision. Trusted on Landmark Projects.

Many Disciplines One Team

Engineering design, construction support and construction inspection services for transportation infrastructure

Expert engineering consulting and investigation services for aircraft accident investigation and reconstruction.

Transforming Ideas into Reality with Engineering Expertise

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

Key to reliable engineering, business and software solutions

Structural Engineers of The Black Hills and Great Plains

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.

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

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.

Raising the Quality Standard

Client-focused, quality-driven, cutting-edge engineering solutions for bridges & structures

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

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Innovative Solutions to Complex Problems