Portfolio

Sterling is focused on making majority investments in manufacturing, distribution and industrial service businesses and is interested in exploring partnerships of all sizes.

Portfolio image

Current

Ergotron, Inc.

Headquartered in St. Paul, Minnesota, Ergotron is a leading designer, manufacturer, and distributor of ergonomic products for use across healthcare, workspace, industrial, and education settings. The company is held in Fund V.

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Current

White Cap (Construction Supply Group)

The Construction Supply platform is a national leader in the distribution of construction materials, accessories and tools, primarily for professional concrete and masonry contractors in the United States and Canada. Formed through the combination of Brock White, Border and Stetson, the company has over 130 branches with 2,000 employees and offers approximately 60,000 SKUs for over 65,000 customers. The company is held in Fund IV.

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Current

Tangent Technologies

Headquartered in Aurora, Illinois, Tangent is a leading manufacturer of high-density polyethylene (“HDPE”) lumber used for outdoor furniture, site amenities, structural applications, and marine decking. The company is held in Fund IV.

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Current

Artisan Design Group

Headquartered in Southlake, Texas, ADG is a dealer of flooring products and services, providing design, procurement, installation and quality control of flooring and complementary products for homebuilders. The company is held in Fund IV.

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Current

Greenbridge

Headquartered in Mentor, Ohio, Greenbridge is a leading manufacturer of polyester (“PET”) and polypropylene strapping in the North American securement packaging industry. This company is held in Fund IV.

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Current

Bad Boy Mowers

Headquartered in Batesville, Arkansas, Bad Boy Mowers is a leading manufacturer and provider of high-performance branded outdoor power equipment, anchored by zero-turn radius lawn mowers. The company is held in Funds IV and V.

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Current

Frontline Road Safety

Frontline Road Safety is a platform formed to build a national leader in the US road safety industry. Through its operating companies, Frontline provides pavement marking services to a variety of end markets and customers. The company is held in Fund IV.

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Current

Fencing Supply Group

Founded in 2021, Fencing Supply Group is a group of industry-leading, independent fencing distributors. FSG businesses serve professional fencing contractors who provide new, improvement, and repair fencing services across residential, industrial, commercial, and infrastructure end markets. The company is held in Fund V.

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Current

Evergreen

Evergreen is among the nation’s largest plastic (PET) recyclers, collecting and processing more than one billion post-consumer PET bottles annually with the capability to convert those bottles to food grade rPET for reuse. The company is held in Funds IV and V.

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Current

L&S Mechanical

L&S Mechanical is a leading tri-trade provider of turnkey plumbing, HVAC and electrical installation services in the Texas residential market. Founded in 1985, L&S is headquartered in Richardson, Texas, and serves large production homebuilders in Dallas / Fort Worth, Houston, San Antonio, and Austin through its five production warehouses. The company is held in Fund IV.

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Current

PowerGrid

Headquartered in Hartselle, Alabama, PowerGrid Services is a utility services business providing repair and maintenance services for distribution, transmission, and substation infrastructure. The company is held in Fund V.

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Current

West Star Aviation

Headquartered in East Alton, Illinois, West Star Aviation is a provider of maintenance, repair, and overhaul (“MRO”) services to the business aviation industry providing maintenance, modification, and other services to aviation customers.  The company is held in Fund V.

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Current

Gulf Winds

Headquartered in Houston, Texas, Gulf Winds is a second-generation, family-owned provider of intermodal transportation solutions, including container drayage, transloading, and container storage. The company is held in Fund V.

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Current

PrimeFlight

Headquartered in Houston, TX, PrimeFlight Aviation Services is a global aviation services provider for the commercial aviation, general and business aviation, and cargo end markets. The company is held in Fund V.

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Current

Premier Tire & Service

Premier Tire & Service is a platform formed to build a leading, one-stop tire and auto service solutions provider. The company is held in Foundation Fund.

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Current

Compost360

Compost360 is a platform focused on building a leading processor of organic waste material and producer of high quality, sustainable landscaping products. The company is held in Foundation Fund.

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Current

B’laster Holdings

B’laster Holdings is a family-owned manufacturer and distributor of branded aerosol maintenance and refrigerant automotive aftermarket products. The company is held in Fund V.

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Current

Russell Landscape Group

Headquartered in Sugar Hill, Georgia, Russell Landscape Group is a family-owned provider of full-service landscape maintenance, installation, and design services to commercial end markets throughout the Southeast region. The company is held in Foundation Fund.

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1983

Balco International

Manufacturer of specialty architectural products

1984

Vista Chemical

Producer of commodity and specialty petrochemicals, including surfactants and PVC resins

1984

Pawnee Industries

Manufacturer of custom-extruded plastic sheet materials

1985

Steffen Dairy

Processor of dairy foods

1985

Hawkeye Chemical

Producer of nitrogen fertilizer and other related products

1985

A-1 Rental Car

Rental car franchise

1986

Knox Lumber

Distributor and retailer of lumber, hardware, and related building materials

1986

Airtron

Residential and light industrial heating and air-conditioning contractor

1987

Sirena

Manufacturer and distributor of branded swimwear and lightweight leisurewear

1987

Cain Chemical

Producer of ethylene and ethylene derivatives

1988

Kranco

Manufacturer of overhead cranes

1988

INDSPEC Chemical

Producer of resorcinol, a chemical used in the production of automotive tires, and other industrial chemicals

1988

Fiber Industries

Manufacturer and marketer of polyester textile fiber products and bottle resins

1988

CJC

Manufacturer and marketer of high-school rings and other personalized jewelry

1989 / 1984

Arcadian Chemical

Producer of nitrogen and phosphate agricultural fertilizers and industrial chemical products

1989

Craftworld International

Wholesale distributor of craft supplies

1992

Royster-Clark

Marketer of fertilizer materials, micronutrients, animal feeds, and other farm supplies to farmers and related entities

1993

Purina Mills

Manufacturer and marketer of animal nutrition products for cattle, hogs, horses, and zoo animals

1994

Mail-Well

Manufacturer of specialized conventional envelopes and related packaging products

1996

Texas Petrochemical

Producer of petrochemicals including butadiene, butene-1, and MTBE

1996

Sterling Diagnostic Imaging

Global supplier of products and services for the capture, communication, display, and archiving of diagnostic images

1996/1986

Sterling Chemicals

Producer of commodity petrochemicals and paper chemicals.

1998

AXIA

Manufacturer and distributor of niche construction tools, formed wire products, and industrial equipment

2001

Exopack

Manufacturer of paper and plastic packaging

2003

HydroChem Industrial Services

Provider of industrial cleaning services to a variety of process industries

2003

North American Energy Partners (NAEP)

NAEP is the leading provider of site preparation, mining and other services in the Alberta Oil Sands and Western Canada.

2004

Propex

Producer of carpet backing, geosynthetic, concrete, furnishing, and industrial fabrics and fibers.

2005

Panolam Industries

Manufacturer of decorative laminate panels for residential / commercial indoor surfacing applications.

2006

Hudson Products

Global manufacturer of air cooled heat exchangers and axial flow fans.

2006

BTEC Turbines

Provider of services and equipment to the power industry.

2006

CST

Manufacturer and erector of factory coated metal storage tanks.

2006

Roofing Supply Group (RSG)

One of the largest wholesale distributors of roofing supplies and related materials in the United States.

2007

Universal Fiber Systems

A leading niche manufacturer of high-performance, specialty synthetic fibers for niche segments of the commercial carpet, transportation carpet, and specialty textile industries.

2009

Velcon Filters, LLC (Velcon

A niche manufacturer of fluid filtration systems for a variety of domestic and international end markets, including jet fuel.

2010

Express

Manufacturer engaged in the engineering, design and fabrication of heat transfer, environmental compliance, and sound suppression equipment.

2010

Saxco International

Saxco, headquartered in Horsham, PA, is the leading value-added distributor of rigid packaging products for the wine, spirits and craft beer markets in North America.

2010

B&G Crane

Specializes in providing fully operated and maintained crane services, heavy rigging and specialty hauling services in the Louisiana Gulf Coast region.

2011

Liqui-Box

A supplier of bag-in-box flexible packaging to the global dairy, beverage and bulk food markets.

2011

Stackpole International

A manufacturer and sole source supplier of highly-engineered oil pumps and powdered metal components to automotive original equipment manufacturers.

2013

Safe Fleet

Provider of safety-and productivity-oriented components to the emergency vehicle, truck and trailer, utility vehicle, school bus, and transit bus end markets.

2014

American Bath Group

Manufacturer of bathtubs and showers primarily used in residential single family and multi-family housing markets.

2014

Specified Air

Designs and manufactures specialty commercial and industrial heating, ventilation and air conditioning (“HVAC”) equipment.

2015

ProcessBarron

Headquartered in Birmingham, Alabama, ProcessBarron is a leading provider of custom turn-key air and material handling solutions to a variety of industries including utility providers and pulp, paperboard, metals and cement producers.

2016

Highline Aftermarket

Highline Aftermarket is a manufacturer and distributor of packaged automotive chemicals, lubricants, and parts, which it sells to independent distributors, quick lube shops, jobbers, wholesalers, and multiple retail channels. Highline Aftermarket was formed through the simultaneous acquisitions of the two legacy businesses, DYK Automotive and Auto Aftermarket Holdings Corporation in April 2016.

2016

Lynx FBO Network

Lynx FBO Network provides fuel, ramp and other services to the general aviation industry. Lynx currently has locations in Little Rock, Arkansas, Anoka, Minnesota, Destin, Florida, Aurora, Oregon, Napa, California, Pittsburgh, Pennsylvania, Fort Lauderdale, Florida and Morristown, New Jersey.

2017

Time Manufacturing Company

Headquartered in Waco, Texas, Time Manufacturing is a global designer, manufacturer, and distributor of vehicle-mounted aerial lifts primarily for the telecom and electric utility end markets. These lifts are marketed under several brand names, primarily Versalift.

2017/2012

DexKo Global

Headquartered in Detroit, Michigan, DexKo Global is a leading designer and manufacturer of trailer axle, brake and suspension assemblies and related replacement parts used primarily in the industrial and utility trailer and RV markets in North America.

2016

Evergreen North America

Evergreen North America Industrial Services is a leading provider of industrial cleaning and related specialty cleaning services to a diverse set of end markets in the United States, including Refining, Power Generation, Petrochemical, Manufacturing, Mining, Waste to Energy, and Paper. Evergreen North America was formed through the simultaneous acquisitions of the two legacy businesses, North American Industrial Services and Evergreen Industrial Services in June 2016.