
3J Consulting, Inc.
Your Partner in Civil Engineering & Community Planning
Project: Sandy Vision and Comprehensive Plan
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Your Partner in Civil Engineering & Community Planning
Project: Sandy Vision and Comprehensive Plan

Designing Spaces. Engineering Solutions. Delivering Excellence
Project: American University - Student Center

Applying the Latest Technology
Service detail: Civil Engineering

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project
The right design and construction partner in Puerto Rico
Project: Construction of Sanitary Sewer System Culebra, Phase II
Civil, Coastal, and Environmental Engineering and Consulting Practice
Project: Arney's Mount West Trail

Designing America's Energy Lifelines
Service detail: Chemical and Process Design

Architecture | Engineering | Surveying
Project: Square Dashnaw Road Bridge Replacement

Civil Services with a Forward-Thinking Approach
Project: VIA Park and Ride at Stone Oak

Improving Life. By Design.
Project: Rhode Island Corridor Modernization
Aviation architecture, engineering, and prefabricated air traffic control cab fabrication.
Project: Orlando-Melbourne International Airport Improvements

Delivering Engineering Solutions for Public Agencies since 1990
Project: PFAS Treatment Systems

ATCO Communications Services, LLC is a contract engineering firm established in 1978 with headquarters in Snohomish, Washington and a Midwest office in Fort Wayne, Indiana. It specializes in telecom engineering, outside plant (OSP) engineering, permitting, right-of-way and easement services, geospatial services, and joint-use support for private and public markets nationwide.
Service detail: Telecom Engineering
Unwavering Quality. Reliable Results.
Project: Pierre SD Wastewater Treatment Plant

Many Disciplines One Team
Project: Haven Hollow Park Improvements

architects + engineers
Project: Big M Building Reimagining
You See Us Every Day
Project: Braddocks Mill Dam

Serving S. Oregon and N. California Since 1983
Project: Klamath Irrigation District - C-Flume Replacement

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.
Service detail: Pavement Engineering
Every structure needs a permit, and every permit needs an engineer's certified stamp.
Service detail: Structural Engineering

Leading the pavement consulting industry
Service detail: Nondestructive Deflection Testing
It's not just business...it's personal.
Project: Route 66 Bridge

Multidisciplined EPCM
Project: Bringing Ground-Breaking Water-from-Air Technology to Market
Transforming Our Environment and Communities, with Integrity and Vibe
Project: Hancock County Marsh Living Shoreline