
120 Degreez
Los Angeles, CARedefining Technical Excellence
Service detail: Mechanical Engineering
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
45 results
Showing 1-24 of 45

Redefining Technical Excellence
Service detail: Mechanical Engineering

Design in Harmony
Service detail: Acoustics Consulting

A Structural Systems Manufacturer, Not a Commodity Supplier
Project: Old Auburn Rd
Bringing Vision to Reality Since 2014
Project: The Rochester at Blue Parkway

Shaping the communities that we call home.
Project: Fountaingrove Passive House
A New Era of Civil Engineers
Project: VA Outpatient Clinic
Building a Better California since 1945
Project: The Wilshire Grand Center

Breen Design Group is a Torrance, California-based multi-discipline firm providing architecture, structural, civil, and MEP engineering services under one roof. Established in 2001, its integrated teams deliver coordinated design for multifamily residential communities, affordable housing, mixed-use developments, schools, and civic facilities throughout Southern California. Completed projects include the Wilshire Grand, Jordan Downs Phase 3, Rogers Middle School, and Gardenhouse Beverly Hills.
Project: Jordan Downs Phase 3

Bridge Consulting Engineers is a structural engineering firm based in Chino, California, founded in 2019 by Steve Kim, S.E. Bridge Consulting collaborates closely with owners, architects, and developers throughout California to deliver safe and resilient structural solutions for residential, multifamily, and commercial projects. With over 150 residential/multifamily and 100+ commercial/mixed-use projects completed, Bridge Consulting is known for hands-on service, clear communication, and technical excellence.
Service detail: Residential and Multi-Family Structural Design

Budlong is a multi-disciplinary MEP engineering firm founded in 1958 and headquartered in Glendale, California. For over 65 years, Budlong has delivered mechanical, electrical, plumbing, fire protection, technology, and related engineering design services on renovation, new construction, and expansion projects across California. With offices in Glendale, Los Angeles, Camarillo, and Fremont, Budlong serves clients in healthcare, commercial, education, hospitality, industrial, multi-family residential, and public infrastructure markets, with LEED-accredited designers on staff.
Service detail: Mechanical Engineering

Integrity Is Our Foundation
Project: One Santa Fe

Transportation Moves Us!
Project: BART Oakland Airport Connector
CSHQA is a multi-discipline architecture and engineering firm founded in 1889, with offices in Boise, Denver, and Sacramento. For more than 135 years, CSHQA has designed airports that keep passengers moving, historic structures given decades more life, hotels that become destinations, and civic spaces that anchor communities. More than 100 professionals across three offices serve clients in markets including aviation, adaptive reuse, hospitality, retail, grocery, higher education, and multifamily housing, with services spanning architecture, mechanical, electrical, plumbing, and civil engineering, historic preservation and restoration, interior design, landscape architecture, and modular design.
Service detail: Architecture
Site civil and dry utility engineering, from first feasibility sketch to final inspection.
Project: Fremont High School Net-Zero Campus
Service. Innovation. Value.
Project: The Artise

David Choi Associates provides structural engineering services for ground-up and remodel construction of residences, mixed-use developments, apartments, condominiums, and commercial office buildings. The practice offers engineering consultation on wood, steel, concrete, masonry, and metal stud designs, delivering solutions from initial design and permitting through to finished construction.
Project: Century Villages

Designing safe and enduring structures with integrity
Project: Pismo Terrace

Predictable delivery for complex capital programs.
Project: Middle Mile Broadband Initiative

Timely Solutions Based on Timeless Principles
Project: Solstice Apartment Homes
Meet a local AE design firm with national reach.
Service detail: Architecture

MEP, Structural & Energy Consultant
Project: Academy of Math & Science - Baseline

Your One-Stop Shop for MEP and Structural Engineering
Project: MEP and Fire Protection for Triple Decker Multifamily Project

Innovative and creative structural solutions
Project: City of Hawthorne City Hall & Civic Park

Integrity. Quality. Sustainability
Project: CityCenter Las Vegas