
120 Degreez
Los Angeles, CARedefining Technical Excellence
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Redefining Technical Excellence
Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.
Building performance consulting, from first principles to policy.
Welcome to a whole new level of MEP commitment to your projects.
Plans Design | Calculation Reports | Prime G.C.

Mission-Driven.

We build confidence

Integrated Architecture & Engineering
California's Only One Stop Shop
Experience. Passion. Excellence.

Built for real world project delivery
Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

Smart People Creating Smart Buildings

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

Dream Bigger, Build Better
Over 50 years of expert consulting solutions

Making spaces comfortable since 1989

Mechanical, Electrical, and Plumbing Engineering Consultants

HVAC, Plumbing and Fire Protection Systems Engineering Service

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.

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.

Buro Happold is a global practice of engineers, designers, and advisors committed to delivering elegant, sustainable solutions that positively impact communities and the environment. It provides integrated consulting engineering and advisory services across buildings, cities, and infrastructure, with US offices in New York, Los Angeles, Washington DC, Chicago, and Boston. Projects span aviation, urban resilience, electrification, and data infrastructure, with work including Pittsburgh International Airport and other major US and international projects.
Building Science Leadership