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Business Details
29 Years
experience
Your Trusted Partner for Engineering Solutions
Founded in 1997, LIN Consulting, Inc. (LCI) is a California-based engineering firm specializing in traffic, civil, and electrical engineering. Certified as a Small Business Enterprise (SBE), Disadvantaged Business Enterprise (DBE), and Minority Business Enterprise (MBE), we bring over 25 years of experience delivering high-quality, budget-conscious solutions for public and private clients. Our team of licensed professionals combines deep technical expertise with rigorous oversight to ensure compliance with local and state guidelines.

With offices in Diamond Bar, Tustin, and San Diego, we serve Southern California counties, offering tailored engineering services for infrastructure projects of all scales. Our proven track record includes traffic signal design, roadway improvements, ADA-compliant grading, and sports field lighting, reflecting our commitment to innovation and client satisfaction.
Services
Traffic Engineering Civil Engineering Electrical Engineering ADA Compliance Transportation Planning
Details
  • Year established: 1997
Highlights and features
  • 25+ years of experience in traffic, civil, and electrical engineering
  • Certified SBE, DBE, UDBE, MBE, and CBE by California agencies
  • Proven expertise in meeting stringent agency guidelines under tight deadlines
  • Dedicated team of licensed engineers with government project experience
  • Consistently delivers quality designs with budget control assurance
Associations and certifications
  • SBE
  • DBE
  • UDBE
  • MBE
  • CBE
  • SB-Micro
Services
Traffic Engineering
We provide comprehensive traffic engineering services including signal design, impact studies, and safety improvements. Our team specializes in intelligent transportation systems and traffic calming measures that enhance safety while maintaining flow efficiency. With extensive experience in municipal projects, we deliver solutions that meet both regulatory requirements and community needs.
Civil Engineering
Our civil engineering services cover grading, drainage, and subdivision development projects. We ensure ADA compliance in all designs while addressing hydrological challenges and utility requirements. Our expertise in public infrastructure projects guarantees solutions that balance functionality with environmental considerations and budget constraints.
Electrical Engineering
We offer specialized electrical engineering services for roadway, sports field, and landscape lighting. Our designs optimize energy efficiency while meeting safety standards. From power distribution systems to control mechanisms, we create lighting solutions that enhance visibility and security for both public spaces and private developments.
People
Denwun Lin
President
Licensed Professional Engineer with extensive experience in traffic engineering projects across Southern California. Leads strategic direction while maintaining technical oversight of major transportation initiatives.
William Sun
Vice President
Senior traffic engineer with expertise in signal synchronization and transportation management systems. Oversees project execution and quality control for complex infrastructure developments.
Ray Kommidi
Senior Project Manager
Project manager with proven success in delivering civil engineering solutions for public agencies. Specializes in coordinating multidisciplinary teams for large-scale infrastructure projects.
Questions
What engineering services does LIN Consulting offer?
We specialize in traffic engineering, civil engineering, and electrical engineering services including signal design, roadway improvements, and lighting solutions.
Are you certified as a minority-owned business?
Yes, we are certified as a Minority Business Enterprise (MBE) by California agencies.
What geographic areas do you serve?
We primarily serve Southern California counties including Los Angeles, Orange, and San Diego.
How long has your company been in business?
We have been providing engineering services since 1997, with over 25 years of industry experience.
Can you handle government agency projects?
Yes, we have extensive experience working with local governments and state agencies on infrastructure projects.