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Sierra Instruments manufacturers high performance mass flow meters and mass flow controllers for nearly any gas, liquid, or steam application. Customers choose Sierra when they need an accurate and repeatable flow measurement, short delivery lead times, expert flow advice, and long term support. We provide innovative, high quality flowmeters and services to top businesses around the globe, helping them to achieve significant cost savings through increased efficiencies. When it matters, customers choose Sierra. By combining the superior quality of our flow meters and controllers with a talented global network of experts, we consistently deliver the best flow measurement solutions to our customers. Experience Our Passion for Flow! Our Thermal Mass, Transit-Time Ultrasonic, Vortex Shedding and Multivariable flow meters are available in both standard and customized versions for applications in laboratory, industrial, and hazardous environments. Sierra's flow measurement technologies precisely measure or control very low flows down to less than 1 sccm full scale as well as extremely high flows of gas, liquid, and steam. With rugged product design, cutting-edge innovation, and a team of flow experts Sierra Instruments comprises 107 offices worldwide in 47 countries. Experience why customers around the globe rely on Sierra.

Website http://www.sierrainstruments.com
Revenue $24.7 million
Employees 77 (55 on RocketReach)
Founded 1973
Address 5 Harris Ct Bldg L, Monterey, California 93940, US
Phone (831) 373-0200
Fax (831) 373-4402
Industry Appliances, Electrical, and Electronics Manufacturing, Manufacturing General, Mass Flow Meters & Mass Flow Controllers, Manufacturing, Primary Standard Flow Meter Calibration & Field Services, OEM, Private Labeling & Custom Solutions, Sierra Emissions System
Web Rank 2 Million
Keywords Flow Measurement, Flow Control, Flow Instrumentation, Process Flow Control, Gas Flow Control, Liquid Flow Control, Flow Meter Calibration, Flow Monitoring, Precision Flow Measurement
Competitors KROHNE, Siemens, Endress+Hauser Group, Honeywell, Emerson, Yokogawa, Rockwell Automation, VEGA Americas, Inc., Bosch Rexroth, Aalborg Instruments +34 more (view full list)
SIC SIC Code 382 Companies, SIC Code 38 Companies
NAICS NAICS Code 423 Companies, NAICS Code 334 Companies, NAICS Code 33 Companies, NAICS Code 42 Companies

Sierra Instruments Questions

The Sierra Instruments annual revenue was $24.7 million in 2026.

John Olin is the Founder and Chairman of Sierra Instruments.

55 people are employed at Sierra Instruments.

Sierra Instruments is based in Monterey, California.

The NAICS codes for Sierra Instruments are [423, 334, 33, 42].

The SIC codes for Sierra Instruments are [382, 38].

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