Portfolio

One Rock brings world-class operational, strategic, and financial resources to middle-market companies in North America. Our portfolio is comprised of companies from a spectrum of industries, including chemicals and process industries, specialty manufacturing and healthcare products, and food manufacturing and distribution.
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Robertshaw

Leading designer and manufacturer of thermal flow and control management products and solutions for residential and commercial appliance, HVAC and transportation applications.
Specialty Manufacturing and Healthcare Products
Year:
2018
Status:
Current
robertshaw.com

FXI Holdings

Leading producer of engineered foam solutions servicing the bedding, transportation, furniture, medical and specialty end markets.
Chemicals and Process Industries
Year:
2017
Status:
Current
fxi.com

Island Energy Services

A leading refiner, distributer and marketer of petroleum based products throughout the Hawaiian Islands. IES is a carve-out from Chevron.
Chemicals and Process Industries
Year:
2016
Status:
Current
islandenergyservices.com

North Pacific Paper Company

Leading manufacturer of newsprint and various publication paper products. NORPAC is a carve-out from Weyerhaeuser and Nippon Paper.
Chemicals and Process Industries
Year:
2016
Status:
Current
norpacpaper.com

Monarch Landscape Companies

A regional consolidation of commercial landscaping services companies in the Western United States.
Business and Environmental Services
Year:
2015
Status:
Current
Follow-On Investments
Signature - May 2015
NLS - February 2016
Jensen - April 2016
SDLS - March 2017
Hort  Tech - March 2017
AC Moate - February 2017
Terracare - August 2017

Compass Chemical

Manufacturer of chemicals utilized in water treatment and various other applications.
Chemicals and Process Industries
Year:
2015
Status:
Realized
www.compasschemical.com

Orion Food Systems

A leading manufacturer and distributor of pizza and ingredients for franchised foodservice applications to North American convenience stores.
Food Manufacturing and Distribution
Year:
2014
Status:
Current
orionfoods.com

Airxcel

A leading manufacturer and distributor of climate control systems, shade solutions and roofing systems for a variety of specialty end markets including recreational vehicles, telecommunication enclosures and commercial/industrial applications.
Specialty Manufacturing and Healthcare Products
Year:
2014
Status:
Realized
airxcel.com
Follow-on Investments
Eubank - March 2017
Dicor - September 2016
MCD - September 2016

Summit Research Labs

A leading global specialty chemicals manufacturer that produces critical active ingredients and materials for antiperspirants, antacids and specialty dental applications.
Chemicals and Process Industries
Year:
2013
Status:
Realized
summitreheis.com
Follow-on Investments
BK Giulini - July 2015

Kova International

A leading developer, manufacturer and marketer of urinalysis supplies for the medical laboratory market. Kova is a carve-out from Hycor Biomedical.
Specialty Manufacturing and Healthcare Products
Year:
2013
Status:
Current
kovaintl.com
Follow-on Investments
Biochemical Diagnostics - April 2016

Petroplex

A leading pure-play provider of acid stimulation services for energy customers.
Business and Environmental Services
Year:
2012
Status:
Current
petroplex.com
Follow-on Investments
Armada - July 2014
Pacesetter - May 2015

Dixie Electric

The leading provider of electrical materials and services to energy companies in the Permian, Williston and Marcellus basins.
Business and Environmental Services
Year:
2011
Status:
Realized
www.dixielectric.com
Follow-on Investments
Monahans Electric - July 2012
K&S Electric - September 2012
L&K Electric - November 2012
Epic - October 2013
Patriot Automation - July 2013