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

Designing Spaces. Engineering Solutions. Delivering Excellence

Project: American University - Student Center

Honest, Authentic Solutions

Service detail: Architecture

Leaders in Design, Construction, and Environmental Services

Project: RDU Airport Terminal 2 Expansion

Driving Innovation and Digitization in Engineering

Service detail: Civil and Infrastructure Engineering

Plans Design | Calculation Reports | Prime G.C.

Project: Saddleback College Quad Access Road

ADC's Track Record Speaks for Itself

Project: CHS Taxiways Repair

We build confidence

Project: Offset Success for Aviation Client

Design-build general contractor, steel fabricator, and equipment manufacturer for industrial agricultural facilities.

Service detail: Design and Engineering

Improving Life. By Design.

Project: Rhode Island Corridor Modernization

Industrial Facility Engineering

Project: Calcium Carbonate Production Plant

Providing service with teamwork

Project: Hays County Health Clinic Renovation

Customer-guided and self-directed engineering and design-build services

Project: 27 Ft. Film Stretcher and Tester Machine

One-Stop-Shop for Engineering Needs

Service detail: Civil Engineering

Engineering expertise. Easy communication. Collaborative solutions.

Service detail: Structural Engineering

Advantic LLC is a structural design-build firm based in Miamisburg, Ohio, delivering turnkey structural systems that integrate advanced composite materials with in-house fabrication and installation. Advantic specializes in lightweight fiber-reinforced polymer (FRP) and multi-material structural solutions for data center, industrial, edge computing, and AI infrastructure clients, and holds 50-state PE stamping capabilities.

Service detail: Structural Design

Engineering Innovators

Project: SH 130

Engineering, Design & Construction Services, Plus Advisory and Grant Support

Project: New Taholah K-12 School

Structural Engineers of The Black Hills and Great Plains

Project: Arc of Dreams

Making Buildings Perform Better

Service detail: Building Envelope

Innovative Designs, Practical Solutions.

Project: Mountaintop Beverage

Established in 2013 by Laurie Allen and Monique Allen, Allen Construction Management Services Northwest, LLC (ACMS Northwest) is an Oregon-based civil engineering and construction management practice. It provides professional services for public agencies and private-sector clients, with experience on major Pacific Northwest projects such as the City of Portland Secondary Treatment Expansion Program, Port of Portland PDXNEXT, and ODOT I-205 Abernethy Bridge.

Project: Secondary Treatment Expansion Program

Founded in 1950, Alper Audi, Inc. is a St. Louis-based structural engineering practice with engineers registered in more than 45 states. It serves architects, contractors, developers, owners, and government clients across commercial, industrial, institutional, and public markets. More than 50 percent of assignments are delivered on a design-build basis, and annual project volume contributes to more than $2.5 billion in aggregate construction value.

Project: Forsyth Pointe

Where Engineering Meets Adventure

Project: Hampton Roads Bridge-Tunnel (HRBT) Expansion Design-Build Project