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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A manufacturer and material sciences company that offers custom-designed plastic, nylon, monofilament and zinc products in the health care, consumer, and industrial end markets
SPECIALTY MANUFACTURING & HEALTHCARE PRODUCTS
Global leader in the distribution of plastics, including polymer products and prime engineering resins.
Business and Environmental Servicesnexeoplastics.com
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 Productsrobertshaw.com
Leading producer of engineered foam solutions servicing the bedding, transportation, furniture, medical and specialty end markets.
Chemicals and Process Industriesfxi.com
Island Energy Services
Owner and operator of bulk fuel import and storage terminals, pipelines and associated logistics assets, as well as a retail fuel network serving customers throughout the islands of Hawaii. IES is a carve-out from Chevron.
Chemicals and Process Industriesislandenergyservices.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 Industriesnorpacpaper.com
Monarch Landscape Companies
A regional consolidation of commercial landscaping services companies in the Western United States.
Business and Environmental Services
NLS - February 2016
Jensen - April 2016
SDLS - March 2017
AC Moate - February 2017
Manufacturer of chemicals utilized in water treatment and various other applications.
Chemicals and Process Industrieswww.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 Distributionorionfoods.com
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 Productsairxcel.com
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 Industriessummitreheis.com
BK Giulini - July 2015
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 Productskovaintl.com
Biochemical Diagnostics - April 2016
A leading pure-play provider of acid stimulation services for energy customers.
Business and Environmental Servicespetroplex.com
Armada - July 2014
Pacesetter - May 2015
The leading provider of electrical materials and services to energy companies in the Permian, Williston and Marcellus basins.
Business and Environmental Serviceswww.dixielectric.com
Monahans Electric - July 2012
K&S Electric - September 2012
L&K Electric - November 2012
Epic - October 2013