
S Y Lee Associates, Inc.
Professional mechanical, electrical, plumbing, civil, and fire protection engineering services with over three decades of experience.
Glendale, CA+1
Explore capabilities, project experience, and office locations to build your shortlist.

Professional mechanical, electrical, plumbing, civil, and fire protection engineering services with over three decades of experience.
Glendale, CA+1

Construction Engineering and Inspection and Resident engineering.
Norman, OK+3

Engineering New Ways.
Raleigh, NC

Architectural Design and Interior Design.
New Providence, NJ

Helping Build the Southwest since 1996
Phoenix, AZ+8

Achieving Successful Results with Innovative Designs
Montgomery, NY+1

The details matter.
West Chester, PA

Expect Excellence
San Ramon, CA+20
Engineering and Consulting Since 1974
Wall, NJ

Civil Engineering and Site Design & Grading.
Westbury, NY

Engineering Excellence Built on Experience.
Greenville, MI+2
Full-Service Civil Engineering, Design, and Program Management
Broken Arrow, OK

QUALITY SOLUTIONS For Your Engineering Needs!
Warrenton, VA

Ensuring the structural integrity of in-service bridges and structures throughout the United States.
Valley View, OH
Civil Engineering and Construction Phase Services.
San Antonio, TX

A full service engineering, design/build, procurement firm providing state of the art engineering services.
Youngstown, OH

Land Use Planning and Civil Engineering.
Bend, OR

Engineering the Way Ahead.
Clinton, MS+2
Surveying and Land Development.
New Braunfels, TX+1

It's Relationships We Build
Tulsa, OK

Clean Water Shaping Stronger Communities
Modesto, CA+2
Supplying your design and engineered success!
Las Vegas, NV+1
Analysis, Design, and Construction Support for Infrastructure
Seattle, WA

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.
Houston, TX