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Est. 1954 • Cleves, Ohio
The Global Standard in
The Global Standard in
Air Quality Monitoring.
We are a 100% employee-owned manufacturer providing agencies and researchers with high-precision instrumentation, built for accuracy and long-term durability.
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Industry-leading hardware engineered for regulatory compliance and scientific research.
TSP High Volume
The industry workhorse for total suspended particulate sampling in rugged environments.
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PM10 High Volume
EPA-approved particulate sampling designed for high-accuracy regulatory compliance.
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TE-Wilbur Low Volume Sampler
Advanced software-driven sampling with FRM designation for modern data collection.
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Resource Library
Find Manuals & Documents
Get instant access to technical specifications, setup guides, and worksheets for your equipment.
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Flexible Solutions
Equipment Rentals
High-performance air monitoring available in 30-day rental blocks. Scale your project without the capital overhead.
30-Day Blocks
Transparent monthly terms designed for short-term studies.
Field-Ready Gear
Every unit arrives fully inspected and pre-calibrated.
Expert Support
Technical assistance is included with every deployment.
Explore the Rental Fleet
Secure your 30-day window for upcoming environmental projects.
Compliance & Precision
NIST-Traceable Recertification.
Ensure your data stands up to the strictest scrutiny. Our employee-owners provide expert calibration with industry-leading turnaround times.
Step 01
Annual Recertification
Stay within regulatory requirements with scheduled annual recalibrations for all instrumentation.
Step 02
Full Diagnostic
Complete functional testing, diagnostics, and deep cleaning performed by original equipment manufacturers.
Step 03
Digital Records
Immediate access to NIST-traceable digital documentation and direct support from technical engineers.
Schedule Calibration Now
Rapid Turnaround: Most calibrations are completed and shipped within standard business windows.
Who We Are
Owned by the People
Owned by the People
Who Build the Machines.
As a 100% employee-owned company, every technician, engineer, and support specialist is an owner.
Our Full Story100%Employee Owned
72+Years Expertise
USAMade in Ohio
GlobalTrusted Support
100%Employee Owned
72+Years Expertise
Customer Satisfaction
Trusted Worldwide
Here’s what the people we serve are saying on Google.
★★★★★
"Tisch Environmental offers top quality instrumentation and unbeatable customer support. Their team is great to work with!"
— DANNY R.
★★★★★
"Fast turnaround on my orders, great technical support. A name I’ve come to trust over many decades."
— ANTHONY P.
★★★★★
"With decades of product development and manufacturing, Tisch equals quality in every aspect."
— KRIS K.
Ready to Talk Shop?
Click below to open our official Customer Service portal. One of our owner-experts will reach out personally within 1 business day.
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