3Vi, Inc.
San Ramon, CAEngineering Excellence for a Sustainable Future
Service detail: Systems Engineering & Integration
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Engineering Excellence for a Sustainable Future
Service detail: Systems Engineering & Integration

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

Cost Effective Engineering
Service detail: Naval Architecture and Marine Engineering

Providing Engineering and Architecture Services Since 2002
Project: Pikes Peak National Cemetery Master Plan & Design

Professional Consulting Engineers
Service detail: Mechanical, Electrical, and Plumbing (MEP) Design

Industrial Facility Engineering
Project: Calcium Carbonate Production Plant

Innovative Construction Solutions
Service detail: Program and Project Management
Providing service with teamwork
Project: Hays County Health Clinic Renovation

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
Building Relationships through Affordable Engineering Excellence
Service detail: Mechanical Engineering

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.
Service detail: Specialty Engineering

Elevating lives through effective design
Project: Durham Cancer Center

Auriga Corporation is a privately held engineering consulting firm established in 1990 and headquartered in Milpitas, California. For over 30 years Auriga has served rail and transit agencies, municipal utilities, the United States federal government, state and local governments, and international organizations across project management, electrical engineering, systems engineering, fare and payment collection, and information technology. Its ISO 9001-compliant project managers and consultants average more than 20 years of experience in their respective disciplines.
Project: SFMTA Twin Peaks Tunnel Trackway Improvement Project - Cost and Schedule
Engineering Solutions Based on Fundamentals
Service detail: Mechanical Engineering

Your Vision. Our Experience. ONE CHOICE.
Project: Greenway Trail Bridgeway
Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.
Service detail: Plan & Design
Designing Today. Building Tomorrow.
Project: Richardson Olmsted Complex
Engineering Services for Industrial Clients
Service detail: Civil and Structural Engineering
Results you can count on
Service detail: Mechanical Engineering

Premier Engineering Design, Construction Support, and Maintenance Services
Service detail: Construction Management
Integrating innovative solutions for manufacturing clients
Service detail: Process Engineering
The Leader In Energy Infrastructure
Project: 350MW Data Center Power Generation & Substation Facility
From design to delivery, we're committed to your success.
Project: Health Sciences Building - Eastern Florida State College
Carpenter Associates is a full-facility engineering practice based in Old Town, Maine, with more than 50 years of experience. It delivers mechanical, electrical, structural, and civil engineering alongside permitting and construction services for architects, municipalities, school departments, and private-sector clients across Maine and New England. Direct client engagement and careful attention to initial costs and long-term maintenance are central to every project.
Service detail: Civil / Site Design