Sierra’s engineering staff has been providing to Best Air Control technical support on sizing, selection and permitting of various types of air pollution control equipment through out the state of California for the past 15 years. We found their support valuable in completing the jobs on time & in compliance with the regulatory requirements.
Best Air Control
Director of EHS
Coast Community College
For the past 18 years, Sierra’s engineering staff has provided technical & regulatory support to dairies & composting operations Southern California. The staff’s insight & knowledge of the regulatory requirements as well as their technical expertise in implementing compliance measures has assisted the dairy owners and composting operators to achieve compliance in a timely & cost effective manner.
Director of Operation,
Residual Recovery Group in Ontario
Gro Well, Inc. planned to start a new compost & wood chip bagging operation in southern California about two years ago. We inquired about local companies with expertise on agricultural resources and the regulatory requirements. Sierra Engineering was recommended as a reliable company with experienced staff. We are glad that we made the right choice for our start up operation and the ongoing support.
Gro Well, Inc.
Plant’s Electrical Manager
Merle Norma Cosmetics
Sierra Engineering has been providing air quality permitting and water quality support to our plant personnel for the past several years. Their staff expertise has helped us to complete the projects on time, and meet our production demand.
Hyatt Die Cast & Engineering Corporation
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17752 Skypark Circle, Ste 210