We invest in market-leading businesses with strong teams and cultures.
Astra (Heavy Mechanical)
Launched in July 2020, Astra Service Partners is Orion's team of market-leading heavy mechanical businesses. With an expansive network of partner companies servicing customers across the nation, Astra ensures that both its technicians and managers receive the top training and development opportunities in order to provide the best quality service possible.
Helios (Multi-Site Mechanical)
Helios Service Partners, Orion's multi-site mechanical vertical, provides best-in-class HVACR and 24-hour emergency service to 30 states. Launched in April 2021, Helios is quickly growing to service areas across America, with regional field managers supporting top field technicians to ensure the best service possible.
Launched in 2021 and based in the Southwest, SunWorks provide impeccable landscape maintenance, irrigation and arbor care services to HOAs and other commercial customers across Colorado, Texas and Arizona.
Leo FM (Facilities Maintenance)
Launched in December 2021, Leo FM offers one-stop-shop solutions for both interior and exterior facilities maintenance. With both vendor-managed and self-perform capabilities, Leo FM ensures quick, quality service with the convenience of a single POC.
Jackson Mechanical Service (Jackson), located in Oklahoma City, Oklahoma, provides commercial HVAC, boiler, and chiller services. Founded in 1957, through the strong work ethic and morals of their employees, Jackson has grown from a team of three to one of the largest independent commercial HVACR and boiler service providers in Oklahoma by providing customers exceptional service and developing the best technicians in the region.
Oklahoma City, OK
Astra Service Partners
Texas Chiller Systems (“TCS”), a leading commercial HVAC services company based in San Antonio, Texas was founded in 2006 by Robert Uhl, Mike Andreason, and Chris Finger. After a combined seven decades in the industry, Robert, Mike, and Chris founded TCS to build a company that treated technicians like family and delivered exceptional service
San Antonio, TX
Founded in 1984, G.E. Mechanical LLC is a leading commercial HVAC, plumbing and drain cleaning services company with over three decades of experience in the industry. Based in Vineland, NJ, G.E. Mechanical LLC is the leading 24/7 emergency service provider in South Jersey and Philadelphia.
Headquartered in Chicago, Air Comfort was founded in 1935. For the last 86 years, they have prided themselves on providing around-the-clock service by experts in the mechanical services industry. Air Comfort is truly a full-service commercial and industrial HVAC provider, offering preventative maintenance, emergency service, equipment retrofits, design/build capabilities, and specialty controls service.
Founded in 2010 by a field technician with National Account experience, Advanced Climate Solutions ("ACS") currently services thousands of commercial sites throughout Arkansas, Florida, Illinois, Indiana, Kansas, Kentucky, Louisiana, Michigan, Missouri, Ohio, Oklahoma, Tennessee, Texas, and Wisconsin.
Helios Service Partners
Since 1986, Calvert Controls has been a leading provider of HVAC mechanical service, installation and building automation controls serving the Washington DC Metropolitan area.
Specializing in landscape maintenance, property enhancements, irrigation management, and snow removal, ColoradoScapes has proudly served large commercial and HOA properties across the Denver area since its founding in 2003.
SunWorks Landscape Partners
Design Air Systems is a full-service industrial and commercial heating, ventilation, and air conditioning (HVAC) company, with over 50 years of experience in design, installation and maintenance of commercial HVAC systems.
USA Mechanical & Energy Services is a family business built on a reputation of dependable, quality, and trusted service. USA Mechanical is a full-service mechanical contractor providing 24/7 HVAC Service & Maintenance.
Founded in 1988, Advanced Mechanical Services is one of the leading Commercial HVAC and Refrigeration Providers serving the Southeastern Region specializing in multi-site national accounts.
First Choice Facilities ("FCF") began in 2010 as a self-perform snow removal company and has continued to innovate with state-of-the-art technology and operations while also expanding into full-service facility maintenance. FCF combines in-house branches across the country with a premium network of vendors to provide unmatched quality across a range of services. These services include snow management, landscape management, and lot sweeping and repair. FCF serves over 700 sites across the country focusing on distribution centers, hospitals, and manufacturing sites.
LandCare Management is a landscaping business based in in Denver, Colorado that offers landscape and hardscape installation & maintenance for both commercial and HOA communities.
Marick, based in Des Moines, IA has provided clients with top-quality commercial refrigeration, heating, and cooling services in over six states since 1974.
Des Moines, IA
AP&R was founded in 1998 by Ted Mastrucci who wanted to build a strong facilities maintenance solution capable of creating a safe and comfortable work environment for its local customers while ensuring fair and equitable treatment for service partners.
Sauers was founded in 2000 by three siblings, Joe, Steph, and Mike and specializes in the most difficult snow and ice management, becoming one of only 30 ISO SN-9001 certified companies in the country. They serve the PA, NJ, and DE region through a combination of in-house boots on the ground and partnered service providers. They have developed a cutting edge in-house deicing program and regularly innovate solutions to winters worst problems
LMI landscapes is a landscaping services business based in Dallas, Texas primarily serving HOAs and other commercial customers. Founded in 1991 by Jody O'Donnell, LMI rapidly grew to establish 3 branches and customer relationships throughout Texas and Colorado.
Alder FM offers a one-stop shop for an extensive array of interior facilities maintenance needs, from IT support to office cleaning to handyman services. Alder's efficient and convenient software enables clients to access a broad range of trustworthy service providers.
Landtamers provides best-in-class maintenance, irrigation, arbor care, and construction services to commercial, industrial, and residential customers across the Tucson area.
From its founding in 1979, BME has grown to become a leading specialized mechanical contractor in the Midwest, serving not only industrial and commercial facilities but also a wide range of national accounts. Through the highest standards of quality and 24/7 emergency services, BME always puts their customers first.
Boone County, KY
Sungrow Maintenance services commercial customers throughout Texas for all of their landscaping maintenance and irrigation needs.
Founded in 1933 and built through three generations of leadership, Champion Industrial Contractors provides HVAC, refrigeration, plumbing and sheet metal services to commercial and industrial customers in the Central Valley and Bay Area.
CLM is a hybrid interior services focused FM provider based in Illinois with customers throughout the Midwest. Offering emergency repair, handyman, plumbing, electrical services and more, CLM serves a wide range of national brands in healthcare, grocery and communications industries through a mix of in-house and outsourced vendor work. By assigning a dedicated Account Professional to each customer, CLM ensures quality, professional service for all facilities maintenance needs.
Founded by Joe Kilmer in 1993, Top Notch Lawn Care provides landscaping services to commercial customers across Florida. As an award-winning service provider, Top Notch ensures customer satisfaction through high quality products and skilled professionals.
Founded in 2003, Alpine Mechanical Services provides HVAC services to multi-site commercial customers across the U.S., primarily throughout the East Coast. As one of the most respected regional HVAC contractors in the country, Alpine offers market-leading expertise, clear communication and top quality service to ensure customer satisfaction.
Based out of New York, CS Hudson offers a wide range of interior facilities maintenance solutions to retail, commercial and healthcare customers across the U.S. With longstanding relationships with vendors throughout the industry, CS Hudson is able to provide its clients with the best solutions available for any and all facility needs.
Founded in 1957, Owens is a market-leading HVAC service provider in the Twin Cities. Primarily serving homeowners, government agencies and non-profits, Owens offers a wide range of services from preventative maintenance to retrofits to energy management. As a winner of the HVAC Contractor of the Year award, Owens has a reputation for strong, quality customer service.
Since 1996, Beverage Equipment Repair Company or "BERCO" has been servicing hot food equipment and beverage systems for a wide range of commercial customers throughout Florida, from full-service restaurants to office buildings to convenience stores.
Ft. Myers, FL
Founded in 1993 and based in Charlotte, Redblue services commercial and industrial facilities throughout North and South Carolina. Focused on repair and maintenance, Redblue offers the most trustworthy, timely and professional service in the area.
Founded in 1992, Tustin is a leading HVAC provider based in Norristown, PA that services customers throughout the Northeast. Along with heavy mechanical services, Tustin also provides energy, water, fire safety, and security solutions.
Aireko Services and Installation, or ASI, provides HVAC solutions to industrial and commercial customers throughout Puerto Rico and the Caribbean. Founded in 1963, ASI has decades of experience with all HVAC service needs including preventative maintenance, emergency repair, and customization.
San Juan, PR
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