Professional Civil, Structural and Environmental Engineers in Fontana, CA

“I use to work here. Pay is good as far as this trade goes in our current market. Benefits are awesome. If your a Clark Employee you become part of the family. At least that's how it felt for me. I hope the welding department gets up and running ...”

“There awesome”

“Very professional and efficient in their work. Also works with a non-profit called Riders For Autism. Great people!”

“Great people! Great company! Very professional! Gets the job done right. 100% I highly recommend this company for business”

“All I wanted to do was meet Bisi himself. This individual took the time out of his schedule ( he was tuning a customer's car) to come out and meet fellow enthusiasts. He is one of the most down to earth guy I have ever met. Fan for life!!”

“For land surveying and land mapping, great to work with, clear communication, and accurate survey results. I highly recommend.”

“Amazing work ethic”

“Excellent service, been using them for 10 or more years and they are prompt and good.”

“Very professional staff, they care about customers and will get the job done.”

“their prices are higher than most other geotechnical labs in the area”

“Top notch framing company!! Best framing in the field!! Excellent work, very professional and awesome customer service!!”

“Professional staff easy to work with.”

“Very professional and good company to work with.”

“Great people, excellent finished product.”

“Knowledgeable and professional. I highly recommend Steven Helfrich to anyone seeking the assistance of a qualified engineer.”

“I've worked with James and the Duco team for many years on private school projects. They are a fantastic partner. Honest, fair, talented, team players and problem solvers.”

“I found this office to be efficient, through, and very clean”