154 Tech LLC
Santa Barbara, CAAdvanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support
Service detail: Technical Program Management
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
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Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support
Service detail: Technical Program Management
Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm
Service detail: Mechanical Engineering
Welcome to a whole new level of MEP commitment to your projects.
Project: Village School

Mission-Driven.
Project: Naval Air Station North Island Soil Investigation

We build confidence
Project: Offset Success for Aviation Client

Integrated Architecture & Engineering
Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel
Enhancing communities and the built environment.
Project: SFO Harvey Milk Terminal Boarding Area B
California's Only One Stop Shop
Service detail: Planning and Permitting
Efficient Management in Infrastructure Construction
Service detail: Construction Management and Inspection

Geotechnical, Civil, and Structural Engineering Across California and the Western States
Project: LA Metro Gold Line - MSE Wall
The command center for infrastructure and safety. Operational readiness. Absolute precision.
Project: Pier B On-Dock Rail Support Facility

Founded in 1980, Aliquot Associates, Inc. is a multi-disciplinary engineering and surveying firm serving public and private clients across the San Francisco Bay Area. The practice offers civil engineering, traffic engineering, and land surveying services from offices in Oakland and Walnut Creek, California. Aliquot brings decades of expertise across diverse project types including public roadways and highways, transit facilities, residential subdivisions, commercial and mixed-use sites, water and sewer systems, stormwater management, and park improvements. With extensive agency-side experience and strong local knowledge across multiple Bay Area jurisdictions, the team provides responsive, customized service from initial planning and feasibility studies through design, permitting, construction, and inspection. Every project is managed directly by a principal, enabling quick decision-making and close coordination with property owners, architects, contractors, and agency representatives.
Project: Oakland Army Base Redevelopment
Alpha Omega Engineers is a licensed structural engineering firm based in Corona, California, serving residential and commercial clients throughout Southern California. With over three decades of experience, Alpha Omega delivers structural inspections, lateral load calculations, and structural plans for homeowners, contractors, and developers in Corona, Riverside, Anaheim, Norwalk, and Buena Park.
Service detail: Structural Inspections

Transform Your Vision with Our Professional Engineering Team.
Project: Springville Library

Innovation to Implementation
Service detail: R&D Product Design
Partnering for Successful Engineering and Construction Management Solutions
Service detail: Construction and Project Management
Engineering Excellence for Mission Critical Systems
Service detail: Systems Engineering

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
Collaborative & Innovative
Project: Combination of Condominium Units and Single-Family Homes

BA Inc. provides transportation-related professional engineering design and consulting services to public agencies and private developers. Established in 2004, its practice focuses on drainage and utility design, subsurface utility engineering, encroachment permitting, third-party utility coordination, and construction or project management.
Project: LACMTA Projects
A New Era of Civil Engineers
Project: VA Outpatient Clinic
Over 50 years of expert consulting solutions
Service detail: Electrical Engineering
Bengal Engineering Inc. is a small civil engineering firm serving the south coast of California, based in Goleta near Santa Barbara. The practice provides cost-effective, multi-discipline design services across civil, bridge, hydraulic, structural, geotechnical, roadway, trail, and sitework engineering, supporting public agencies and municipalities on flood control, creek restoration, bridge, and infrastructure projects.
Project: Lower Mission Creek Flood Control & Habitat Improvements

Our signature is excellence
Service detail: Geotechnical Design