US centralized emission testing programs

The Opus team operates several centralized programs through our wholly owned subsidiary, Envirotest, where we provide complete inspection and program management services at our own inspection stations. These centralized programs are an important part of our overall portfolio, which also includes decentralized programs, remote sensing, equipment sales and service, and more.

Opus programs


Providing equipment and software to support safety testing.

Air Care Colorado

Centralized emission testing through 18 stations, with Clean Screen remote sensing.


Centralized emission testing through seven stations, supplemented by remote sensing.


Centralized high-volume emission testing through 18 stations and 10 self-service testing kiosks.

Ohio E-Check

Centralized emission testing through 23 Envirotest stations, selected partner repair shops, 16 self-service kiosks open 24/7, and Clean Screen remote sensing tests.

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