
3 Phase Associates LLC
Chattanooga, TNElectrical Engineering and Consulting Services
Service detail: Electrical Engineering
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Electrical Engineering and Consulting Services
Service detail: Electrical Engineering
Specialized Electrical Engineering for Water & Wastewater Infrastructure
Service detail: Electrical Design Service

Proper Execution with Precision
Project: Gordie Howe International Bridge

Innovative Agritech & Engineering Solutions
Service detail: Agritech and Renewable Energy Engineering

Cathodic Protection / Corrosion Specialist
Project: Lowell Water Pipeline Rectifier Installation

Civil Engineering, Surveying, and Project Management Services in Nevada
Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

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

Best-In-Class Engineering Expertise
Project: Fremont Blvd/Old Warm Springs Blvd - New Signal
AM Power Solutions & Services LLC is an engineering and consulting practice specializing in tailored power and automation solutions. It serves power generation, utility, and industrial clients with a team of field-experienced engineers. In addition to traditional utility networks, the practice possesses specialized experience in isolated power systems and microgrid applications.
Service detail: Substation and Plant Installations

Innovative Construction Solutions
Service detail: Program and Project Management
Powering Your Vision With 35 Years of Experience
Project: Sky Harbor International Airport Utility Services
California's Only One Stop Shop
Service detail: Planning and Permitting
Future-Proof Your Network With Fiber
Service detail: Fiber Optic Engineering & Civil Planning
You See Us Every Day
Project: Braddocks Mill Dam

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

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.
Project: Western Butler County Authority Administration Building

Great experiences build great results
Project: Hospital Campus Seismic Risk Assessments

Building now for tomorrow
Project: Houston Veterans Affair Medical Center
Critical investigations, testing, analysis, and design for a more certain world
Project: Minnesota Zoo Treetop Trail
Developing Cost-Effective Green and Resilient Business Solutions
Service detail: Planning and Resiliency Services
Astute Engineering, PLLC delivers comprehensive electrical engineering, power distribution design, system studies, and field services. Operating across Virginia, Maryland, Washington DC, and surrounding regions, the practice supports projects from initial feasibility and schematic phases through final installation, testing, commissioning, and commercial operations.
Project: DC Water Blue Plains Wastewater Treatment Plant

Excellence in Design, Enriching Our Community
Project: Women's Wellness and Breast Care

MEP & Energy Consulting Engineering
Project: 99 Peachtree Memorial Drive Apartments

Engineering Excellence at Your Service
Project: Holbrook Road Improvements