ARINC Incorporated is a leading global provider of transportation communications and systems engineering services primarily serving four key industries: commercial and business aviation, airports, surface transportation and defense.

Altegrity Inc. is a leading information and security services company, providing a broad range of investigative, pre-employment screening, intelligence, financial, and technology services to governmental and commercial customers around the world.

During the period of Carlyle's ownership, Applied Systems, Inc. was the leading developer of enterprise automation software solutions for the property and casualty insurance distribution industry.

Booz Allen Hamilton, Inc. is a provider of management consulting for businesses and governments. The company provides consulting services in strategy, operations, organization and change, and information technology to the world’s major corporations, government agencies and institutions.

ConvaTec Inc. is one of the world’s market leading healthcare manufacturers and suppliers of products in ostomy, wound care, urology and incontinence, and infusion devices.

During the period of Carlyle's ownership, Firth Rixson Limited was the leading integrated provider of highly engineered rings, forgings and specialty metal products to the aerospace sector and a range of industrial markets.

Goodman Global, Inc. is the second largest domestic manufacturer of heating, ventilation and air conditioning products for the residential and light commercial markets.

Harrah's Entertainment, Inc. is the world's largest and most geographically diversified gaming company with the #1 or #2 market share, based on revenue, in almost every major gaming market in the U.S., including Las Vegas and Atlantic City.

Hudson Products Corporation is a provider of air-cooled heat exchangers (“ACHEs”) and axial-flow fans to the large processors in the petroleum, natural gas, power generation, petrochemical and chemical industries.

INC Research provides outsourced clinical trial services, data services and strategic and regulatory consulting services to pharmaceutical and biotechnology companies performing Phase II and Phase III clinical trials.

PQ Corporation is a leading producer of inorganic specialty chemicals and engineered glass materials.

Voice Construction Ltd. is a civil construction firm that specializes in industrial site preparation and heavy construction projects in the Alberta Oil Sands.