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 and beverage manufacturing and distribution.
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Leading provider of environmental remediation, waste management and emergency response services to help customers with mission-critical environmental tasks. EnviroServe is a carve-out from Savage.
Business and Environmental Serviceswww.enviroserve.com
Prefere is a pan-European leader of adhesive resins and formulations used in engineered wood and insulation products, industrial applications, and other specialty materials
Chemicals and Process Industrieswww.prefere.com/
Leading designer and manufacturer of safety-critical sensors, thermal cutoff fuses and hermetically sealed connecting components. Sensience is a carve-out from Emerson.
Specialty Manufacturing & Healthcare Productswww.sensience.com
Global leader in critical specialty chemicals for the tire industry that develops, manufactures and sells insoluble sulfur, antidegradants and post-vulcanization stabilizers. Flexsys is a carve-out from Eastman Chemical.
Chemicals and Process Industries www.flexsys.com
Leading national provider of critical electrical and technologies services across an attractive range of end markets, including data centers, logistics and distribution, healthcare, government, industrials and renewables.
Business and Environmental Serviceswww.archkey.com
Leading manufacturer of specialty chemicals derived from natural raw materials, serving customers in the home & personal care, food & nutrition, healthcare and agriculture markets. Kensing is a carve-out from BASF.
Chemicals and Process Industrieswww.kensingsolutions.com
Vitae Naturals – June 2022
Hopewell, VA Amphoteric Surfactants and Specialty Esters Operations – October 2022
Owner of spring and purified water brands in North America, such as Poland Spring, Deer Park, Ozarka, Pure Life, Splash and Zephyrhills. BlueTriton Brands is a carve-out from Nestlé.
Food and Beverage Manufacturing and DistributionWWW.BLUETRITON.COM
Saratoga Spring Water – November 2021
Leading global provider of specialty ingredient solutions that deliver critical functional benefits to customers’ products in the food, health, nutrition and industrial specialties markets.
Chemicals and Process IndustriesWWW.INNOPHOS.COM
A leading designer and manufacturer of technologies that enhance the safety, reliability and productivity of OEM products in industrial and transportation end markets. CentroMotion is a carve-out from Actuant (nka Enerpac Tool Group).
Specialty Manufacturing and Healthcare ProductsWWW.CENTROMOTION.COM
Carlisle Brake & Friction – August 2021
Jadex (fka Process Solutions)
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. Jadex is a carve-out from Newell Brands.
Specialty Manufacturing and Healthcare Productswww.jadexinc.com
Kova Plastics - March 2021
GPD Companies (fka Nexeo Plastics)
Global leader in the distribution of plastics, including polymer products and prime engineering resins. GPD Companies includes Nexeo Plastics and Distrupol, both carve-outs from Univar Solutions.
Business and Environmental Serviceswww.gpdcompanies.com
Distrupol - April 2021
Nevicolor - June 2021
Lautrup Chemicals - June 2021
Baritec - April 2022
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
Castfutura - December 2018
Comfort technology company servicing the bedding, furniture, transportation, medical and specialty end markets.
Chemicals and Process Industriesfxi.com
Innocor - February 2020
North Pacific Paper Company
A manufacturer of paper packaging materials and various publication paper products. NORPAC is a carve-out from Weyerhaeuser and Nippon Paper.
Chemicals and Process Industriesnorpacpaper.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
Monarch Landscape Companies
A regional consolidation of commercial landscaping services companies in the Western United States.
Business and Environmental Servicesmonarchlandscape.com
Signature - May 2015
NLS - February 2016
Jensen - April 2016
AC Moate - February 2017
SDLS - March 2017
Hort Tech - March 2017
Terracare - August 2017
First Impressions - May 2020
The Growing Company - September 2021
Arrowhead - March 2022
Manufacturer of chemicals utilized in water treatment and various other applications.
Chemicals and Process Industrieswww.compasschemical.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
OLM Food Solutions
A leading manufacturer and distributor of pizza and ingredients for franchised foodservice applications to North American convenience stores.
Food and Beverage Manufacturing and Distributionorionfoods.com
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
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 Industrieselementis.com
BK Giulini - July 2015
A leading pure-play provider of acid stimulation and remedial cementing services in the Permian Basin.
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 Servicesexpanseelectrical.com/dixie-electric
Monahans Electric - July 2012
K&S Electric - September 2012
L&K Electric - November 2012
Epic - October 2013