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.
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
robertshaw.comFXI Holdings
Leading producer of engineered foam solutions servicing the bedding, transportation, furniture, medical and specialty end markets.
Chemicals and Process Industries
fxi.comIsland 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
islandenergyservices.comNorth 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
norpacpaper.comMonarch Landscape Companies
A regional consolidation of commercial landscaping services companies in the Western United States.
Business and Environmental Services
Follow-On Investments
NLS - February 2016
Jensen - April 2016
SDLS - March 2017
AC Moate - February 2017
Compass Chemical
Manufacturer of chemicals utilized in water treatment and various other applications.
Chemicals and Process Industries
www.compasschemical.comOrion Food Systems
A leading manufacturer and distributor of pizza and ingredients for franchised foodservice applications to North American convenience stores.
Food Manufacturing and Distribution
orionfoods.comAirxcel
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
airxcel.comFollow-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
summitreheis.comFollow-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
kovaintl.comFollow-on Investments
Biochemical Diagnostics - April 2016
Petroplex
A leading pure-play provider of acid stimulation services for energy customers.
Business and Environmental Services
petroplex.comFollow-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
www.dixielectric.comFollow-on Investments
Monahans Electric - July 2012
K&S Electric - September 2012
L&K Electric - November 2012
Epic - October 2013
