CEMS Experts Since 1992  ·  a division of GK Associates, Inc. Environmentally Responsible. Business Friendly. CALL NOW (805) 523-8700 or email us

Environmentally Responsible.
Business Friendly.

Since 1992, CEMS Experts — a division of GK Associates, Inc. — has delivered turnkey emissions monitoring solutions, consulting, and technical support for industrial facilities across the United States and worldwide.

Founded 1992 Moorpark, CA USA-Made Systems Business Hours Support
30+Years in Business
100%EPA Compliant Reports
8-5Business Hours Support
USAMade & Supported
Who We Are

About Us

For over 30 years, CEMS Experts has been providing turnkey CEMS solutions, consulting, and technical support services for the emissions compliance and process monitoring needs of our clients. Our customer base spans many industries including power generation, petro-chemical, cement, glass, forest products, landfills, municipal utilities, waste-energy, and many others.

Always on the forefront of technology, CEMS Experts has successfully delivered, supported, serviced and trained our clients using the most advanced technologies available. Our deep knowledge has allowed us to provide the best solution with the lowest total cost of ownership (TCO), by matching the right products and designs for each application. We have integrated instrumentation from Sick-Maihak, Thermo Environmental, Teledyne-TAPI, Ametek, California Analytical Instruments, M&C Products, Rosemount Analytical, and many others.

CEMS Experts is a "one-stop-shop" for myriad CEMS products and services — from complete custom CEMS to temporary rental CEMS, data acquisition systems (DAS), service & support contracts, training, permitting and consultation. Please visit our products and services pages to learn more.

CEMS Experts' technical knowledge of the finer points of Air Pollution Monitoring Systems is superior. They are one whom I have enjoyed working with to solve complicated issues with mutual clients. CEMS Experts' engineers are always professional in appearance and demeanor.

Steven CroghanSr. Project Manager – Air Measurements, TRC Companies, Inc.

Ready to Get Started?

Our engineers are standing by to help you find the right CEMS solution for your application.

Who We Serve

Industries We Support

Power Generation
Coal, gas, and renewable power plant compliance monitoring
Petro-Chemical
Refinery and chemical plant CEMS for NOX, SO2, and VOCs
Cement & Glass
High-temperature kiln and furnace emissions monitoring
Forest Products
Lumber, pulp, and paper mill compliance systems
Municipal Utilities
Wastewater treatment and public utility monitoring
Landfills
Landfill gas and leachate emissions compliance
Waste-to-Energy
Incinerator and WTE facility multi-component CEMS
Diesel Engines
Stationary engine NOX, CO, and opacity monitoring
Wood-Fired Boilers
Biomass and wood combustion emissions compliance
Marine Vessels
Port and maritime emissions monitoring systems
Pulp & Paper
Recovery boiler and lime kiln emissions compliance
Incinerators
Medical waste and industrial incinerator CEMS
Leadership

Geoffrey Klotz

President & CEO, CEMS Experts

Geoffrey Klotz has over 35 years of experience in the ambient and fixed source emissions monitoring industry. Using his educational background in electronics, engineering and industrial technology, he worked in various technical capacities over his 11-year career at Hewlett Packard.

In 1989 he co-founded and helped grow Altech Systems Corporation into a highly successful CEMS integration company, which was subsequently sold to Waste Management. After the sale of Altech in 1992, Geoff founded GK Associates — rebranded as "CEMS Experts" in 2011.

Utilizing a network of highly trained independent contractors and partners, CEMS Experts keeps overhead low while delivering cost-effective solutions that consistently exceed client expectations.

35+ Years Experience Hewlett Packard Alumni Co-Founded Altech Systems GK Associates Founder 1992
Trusted Suppliers

Manufacturer Partners

Sick-Maihak
In-situ and extractive gas analyzers
Thermo Environmental
UV fluorescence and chemiluminescence analyzers
Teledyne-TAPI
Advanced pollution instrumentation
Ametek
Process instruments and analyzers
California Analytical Instruments
Infrared and electrochemical analyzers
M&C Products
Gas conditioning and sampling systems
Rosemount Analytical
Process gas chromatographs and analyzers
And Many Others
Comprehensive multi-vendor integration expertise

Let's Solve Your Emissions Monitoring Challenge

Our engineers are standing by. Call, email, or submit a request form — we respond promptly.

(805) 523-8700