Aerial HVAC units

Why Orion?

Orion is a network of top service providers committed to growing our businesses, creating opportunity for our employees, and providing exceptional service to our customers. Why Orion? Ask our people!  


Partner Companies




Number of trades

Heavy Mechanical Services

Our mission is to be the best Heavy Mechanical services organization in the US by attracting and developing the top technical and managerial talent. We leverage our network of partnerships to provide our people with unparalleled opportunities for growth and to deliver best-in-class quality to our customers.

map of heavy mechanical locations

Our Services

We serve customers with needs across 11 different trades. Our offerings are tailored to fit our customers needs.

Tech inspecting HVAC Controls


Emergency service for customers in our regions

HVAC units inside building

Preventative Maintenance

Proactive long-term care of our customers equipment

Rooftop HVAC plumbing


Helping customers upgrade existing infrastructure

Tech inspecting electrical controls unit


Helping our customers get the most efficient use out of their equipment


Astra Leadership Spotlight — Matt Olson

Matt Olson is a Group President at Astra Service Partners, Orion's heavy mechanical services vertical.

Top Notch

SunWorks Enters Florida Market Through New Partnership with Top Notch Lawn Care

SunWorks Landscape Partners (“SunWorks”), a national commercial landscaping business backed by Orion Group ("Orion"), announced today that

CS Hudson

Orion Group’s Facilities Maintenance Business Expands Interior Services Footprint Through New Strategic Partnership with CS Hudson

Orion Group (“Orion”), a commercial and industrial field services company backed by Alpine Investors (“Alpine”), today announced that it has

Let's Get in Touch

Send us an email or give us a call. Business owners, partners, and job seekers are welcome.