ESP provides BAR-certified analyzer systems for all areas involved in the Smog Check program. Equipped with the latest in innovative technology, ESP's equipment meets the demands of the Smog Check program.

Our leadership and expertise in the industry are proof that we are committed to helping you succeed. We will stand by you during this program and beyond, providing service you can count on.

Give your business a boost by making ESP the standard in your shop.

For specific program information, please go to

Read the OBD Inspection System Frequently Asked Questions. Learn more.

Learn more about our OBD Inspection Systems. Read more.








The Opus team is proud to participate in the biometric device rollout for OIS Systems.

  • Kits are available with the new Windows 11 PC to replace older operating systems in the field.
  • Opus team members will help your shop stay compliant with changing BAR requirements.
  • More detailed information coming soon.


Emissions Equipment (Financing Available)




ESP's support and service offerings are superior to any other provider in the market. We understand that time is money; the quicker we can make repairs for you, the more profitable you will be. Our factory-direct service technicians offer the fastest repair time in the industry.

Buy ESP analyzers, EVAP units, service agreements and parts by visiting our online store.

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Customer Service

Call 800-695-4377 or email customer service.

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Questions about ESP's products and services?

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