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 and beverage manufacturing and distribution.
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Kensing

Therm-O-Disc

Leading designer and manufacturer of safety-critical sensors, thermal cutoff fuses and hermetically sealed connecting components. Therm-O-Disc is a carve-out from Emerson.
Specialty Manufacturing & Healthcare Products
Year:
2022
Status:
Current
www.climate.emerson.com/en-us/brands/therm-o-disc
Kensing

Flexsys

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
Year:
2021
Status:
Current
www.flexsys.com
Kensing

ArchKey

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 Services
Year:
2021
Status:
Current
www.archkey.com
Kensing

Kensing

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 Industries
Year:
2021
Status:
Current
www.kensingsolutions.com
Follow-on Investment
Vitae Naturals – June 2022
Kensing

BlueTriton Brands

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 Distribution
Year:
2021
Status:
Current
WWW.WATERSNA.COM
Follow-on Investment
Saratoga Spring Water – November 2021

Kensing

Innophos

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 Industries
Year:
2020
Status:
Current
WWW.INNOPHOS.COM
Kensing

CentroMotion

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 Products
Year:
2019
Status:
Current
WWW.CENTROMOTION.COM
Follow-on Investment
Carlisle Brake & Friction – August 2021
Kensing

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 Products
Year:
2019
Status:
Current
www.jadexinc.com
Follow-on Investment
Kova Plastics - March 2021

Kensing

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 Services
Year:
2019
Status:
Current
www.gpdcompanies.com
Follow-on Investment
Distrupol - April 2021
Nevicolor - June 2021
Lautrup Chemicals - June 2021
Baritec - April 2022
Kensing

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
Follow-on Investment
Castfutura - December 2018

Kensing

FXI Holdings

Comfort technology company servicing the bedding, furniture, transportation, medical and specialty end markets.
Chemicals and Process Industries
Year:
2017
Status:
Current
fxi.com
Follow-on Investment
Innocor - February 2020

Kensing

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 Industries
Year:
2016
Status:
Current
norpacpaper.com
Kensing

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 Industries
Year:
2016
Status:
Current
islandenergyservices.com
Kensing

Monarch Landscape Companies

A regional consolidation of commercial landscaping services companies in the Western United States.
Business and Environmental Services
Year:
2015
Status:
Realized
monarchlandscape.com
Follow-On Investments
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
Kensing

Compass Chemical

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

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

Kensing

Orion Food Systems

A leading manufacturer and distributor of pizza and ingredients for franchised foodservice applications to North American convenience stores.
Food and Beverage Manufacturing and Distribution
Year:
2014
Status:
Current
orionfoods.com
Follow-on Investment
Land Mark Products - April 2019

Kensing

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
Kensing

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
elementis.com
Follow-on Investments
BK Giulini - July 2015
Kensing

Petroplex

A leading pure-play provider of acid stimulation and remedial cementing services in the Permian Basin.
Business and Environmental Services
Year:
2012
Status:
Current
petroplex.com
Follow-on Investments
Armada - July 2014
Pacesetter - May 2015

Kensing

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
expanseelectrical.com/dixie-electric
Follow-on Investments
Monahans Electric - July 2012
K&S Electric - September 2012
L&K Electric - November 2012
Epic - October 2013
Patriot Automation - July 2013