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Portfolio Companies

IDQ Holdings, Inc.

IDQ Holdings, Inc. is the industry leader in Do-it-Yourself (“DIY”), branded automotive aftermarket products for servicing and repairing automotive air conditioners. IDQ products, such as air conditioning recharge and retrofit kits, premium refrigerant blends, specialty chemicals, straight refrigerants, and a wide range of complementary DIY and professional-use items, include brand names such as Arctic Freeze®, Sub Zero® and Super Seal Stop Leak. These products are sold to consumers through a blue-chip customer base representing approximately 25,000 retail stores. These include leading national chains, such as AutoZone, Advance Auto Parts, Wal-Mart, O’Reilly, NAPA, Pep Boys, and others. The company also sells a full range of commercial air conditioning products designed for automotive repair shops. Castle Harlan acquired IDQ in June of 2010. During Castle Harlan’s two-and-a-half year ownership period, IDQ approximately doubled EBITDA and launched a full suite of products under the new A/C Pro brand.

Additional Information:

  • Company Name: IDQ Holdings, Inc.
  • Website:
  • Headquarters Location: Garland, TX
  • Year of Initial Investment: 2010