oris-software-image

Get Started With the Best Tools of the Trade

Free Software Trials

Training

Special Discounts For Groups

Save $100 each when you register more than one person for our AERMOD training courses using discount code "100TRAINING"!

State Guidelines

We provide a one-stop spot for modeling guidelines that cover the entire United States.
view guidelines

State Modeling Guidelines

Highly Trained

We have been doing this for years and have built a strong front and client base.
learn more about us

Pro Consulting

Speak one on one with our experts to achieve your goals in the field.
how can we help?

Our Latest News

New version of BEEST nearly ready

What’s Happening Now EPA News *HOT* Last month, EPA released a couple of new AERMOD-related documents. The fir

continue reading

AERMOD Wizard 1.06 is here

  What’s Happening Now   EPA News Revised Draft Guidance for Ozone and Fine Particulate Matter Permi

continue reading

2022 AERMOD class schedule is out

  What’s Happening Now   EPA News Revised Draft Guidance for Ozone and Fine Particulate Matter Permit Modeli

continue reading

Software Updates

Find the latest updates to Providence/Oris software here.

Get Connected

Our monthly newsletters are always up-to-date and very informative.