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 AERMOD Wizard and AerScreen for Windows coming

  What’s Happening Now   EPA News Although nothing has been officially announced on SCRAM yet, we un

continue reading

BEEST 12.05 is here

  What’s Happening Now   Providence/Oris Survey We need to ask you for a favor. Don’t worry – it

continue reading

AERMOD Classes in February

What’s Happening Now 2020 Holiday Quiz Answers We have always enjoyed presenting the annual Holiday Quiz and h

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.