Yorke Engineering, LLC has assisted over 600 customers with their Air Quality and Environmental compliance, engineering, and permitting issues. Our philosophy is to efficiently help Government and Industrial customers with the complex array of Environmental rules and regulations issued by the local, state and federal agencies. From simple permits to complex agency negotiations, from small companies to the largest of California’s organizations, Yorke Engineering has successfully helped solve our clients’ Air Quality and Environmental issues in a cost effective and efficient manner.
Our staff has over 650 years of combined environmental experience and consists of engineers that specialize in Air Quality, Waste, Water, CEQA, and Safety. home-circles-200px

“Yorke Engineering has played a pivotal role in our air quality compliance program… They have consistently delivered effective, business friendly solutions to our compliance programs.”

EH&S Director

Major Aerospace Company

“They perform their services as if they were employees of my company… We will continue to use their services for our permitting and consulting efforts.”


Construction Company

“We think of Yorke Engineering as an extension of our own environmental management staff as they take ownership of our projects and provide consistent sound strategies for managing those projects.”

Environmental Manager

Energy Company

“Working with Yorke Engineering we have established a program that not only satisfies agency requirements, but also allows us the flexibility to operate our business efficiently.”

Environmental Manager

Major Aerospace Company

# of Customers

Years of Combined Staff Experience

Office Locations in California

Air, Water & Waste Environmental Projects