| Classmates Inc. | H.I.G. Capital | consumer protection violation | 2015 | MULTI-AG | $8,177,600 |
| Aeroflex Incorporated | Advent International | export control violation | 2013 | DDTC | $8,000,000 |
| Petco Animal Supplies | CVC Capital Partners | wage and hour violation | 2015 | private lawsuit-state | $8,000,000 |
| PPL Montana | Riverstone Holdings | water pollution violation | 2008 | private lawsuit-state | $8,000,000 |
| Petco Animal Supplies | CVC Capital Partners | wage and hour violation | 2017 | private lawsuit-federal | $7,995,000 |
| Calsonic Kansei Corporation | KKR & Co. | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $7,920,000 |
| Akzo Nobel | Carlyle Group | price-fixing or anti-competitive practices | 2001 | private lawsuit-federal | $7,500,000 |
| Staples Contract and Commercial | Sycamore Partners Management | False Claims Act and related | 2005 | DOJ_CIVIL | $7,400,000 |
| Shutterfly Inc. | Apollo Global Management | privacy violation | 2021 | private lawsuit-state | $6,750,000 |
| Royal Alliance Associates, Inc. | Reverence Capital Partners | investor protection violation | 2005 | FINRA | $6,600,000 |
| AnnTaylor Stores | Sycamore Partners Management | wage and hour violation | 2006 | private lawsuit-state | $6,500,000 |
| Jo-Ann Stores | Leonard Green & Partners | wage and hour violation | 2002 | private lawsuit-state | $6,500,000 |
| Beverly Enterprises Inc. | Fillmore Capital Partners | benefit plan administrator violation | 2010 | private lawsuit-federal | $6,250,000 |
| USALCO LLC | H.I.G. Capital | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $6,100,000 |
| PharMerica Drug Systems Inc. | KKR & Co. | HHS civil monetary penalties | 2005 | HHSOIG | $5,975,000 |
| Securities America Advisors Inc. | Reverence Capital Partners | investor protection violation | 2018 | SEC | $5,828,448 |
| Dollar Financial | Lone Star Funds | wage and hour violation | 2006 | private lawsuit-state | $5,800,000 |
| Caliber Collision Centers | Hellman & Friedman | consumer protection violation | 2004 | CA-AG | $5,800,000 |
| Tower Automotive | KPS Capital Partners | benefit plan administrator violation | 2007 | private lawsuit-federal | $5,700,000 |
| Sonic Corp. | Roark Capital | privacy violation | 2022 | private lawsuit-federal | $5,700,000 |
| ResCare Iowa Inc. | KKR & Co. | False Claims Act and related | 2015 | DOJ_CIVIL | $5,630,000 |
| Tenneco Inc. | Apollo Global Management | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $5,520,000 |
| Ferro Corporation | American Securities LLC | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $5,500,000 |
| Rural/Metro Corporation, Rural/Metro of Central Alabama, Inc., and Mercury Ambulance Service, Inc. dba Rural/Metro Ambulance | KKR & Co. | False Claims Act and related | 2012 | USAO | $5,426,000 |
| Rural/Metro Corporation | KKR & Co. | False Claims Act and related | 2012 | USAO | $5,400,000 |
| Hexion Specialty Chemicals, Inc. | American Securities LLC | environmental violation | 2007 | private lawsuit-federal | $5,250,000 |
| Air Methods Corporation | American Securities LLC | wage and hour violation | 2019 | private lawsuit-federal | $5,026,204 |
| Corporate Express Office Products | Sycamore Partners Management | False Claims Act and related | 2006 | DOJ_CIVIL | $5,020,000 |
| GEO Specialty Chemicals Inc. | Arsenal Capital Partners | price-fixing or anti-competitive practices | 2016 | DOJ_ANTITRUST | $5,000,000 |
| Gentiva Health | Apollo Global Management | wage and hour violation | 2013 | private lawsuit-federal | $5,000,000 |
| Staples | Sycamore Partners Management | wage and hour violation | 2012 | private lawsuit-state | $5,000,000 |
| Jo-Ann Stores | Leonard Green & Partners | wage and hour violation | 2010 | private lawsuit-state | $5,000,000 |
| USALCO LLC | H.I.G. Capital | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $5,000,000 |
| 99 Cents Only | Ares Management | wage and hour violation | 2004 | private lawsuit-state | $4,900,000 |
| PharMerica Inc. | KKR & Co. | kickbacks and bribery | 2022 | MULTI-AG | $4,900,000 |
| Calpine Energy Services, L.P. | Energy Capital Partners | energy market violation | 2007 | FERC | $4,500,000 |
| Moran Foods | Onex | wage and hour violation | 2014 | private lawsuit-federal | $4,500,000 |
| Moneygram International, Inc. | Madison Dearborn Partners | benefit plan administrator violation | 2011 | private lawsuit-federal | $4,500,000 |
| Sonic Corp. | Roark Capital | privacy violation | 2019 | private lawsuit-federal | $4,325,000 |
| Michaels Stores | Apollo Global Management | wage and hour violation | 2007 | private lawsuit-federal | $4,300,000 |
| PetSmart Inc. | BC Partners | product safety violation | 2016 | CPSC | $4,250,000 |
| CEC Entertainment | Apollo Global Management | wage and hour violation | 2004 | private lawsuit-state | $4,240,000 |
| Calpine Corporation | Energy Capital Partners | benefit plan administrator violation | 2008 | private lawsuit-federal | $4,200,000 |
| Reilly Industries Inc. | Wind Point Partners | price-fixing or anti-competitive practices | 2004 | private lawsuit-federal | $4,150,000 |
| American Greetings | Clayton Dubilier & Rice | wage and hour violation | 2016 | private lawsuit-federal | $4,000,000 |
| California Pizza Kitchen | Golden Gate Capital | wage and hour violation | 2012 | private lawsuit-state | $4,000,000 |
| Ferro Corp. | American Securities LLC | benefit plan administrator violation | 2007 | private lawsuit-federal | $4,000,000 |
| Aviva Life & Annuity Company | Apollo Global Management | insurance violation | 2013 | MULTI-AG | $4,000,000 |
| South Bay Mental Health Center, Inc. | H.I.G. Capital | False Claims Act and related | 2018 | MA-AG | $4,000,000 |
| Briggs & Stratton Corporation | KPS Capital Partners | benefit plan administrator violation | 2016 | private lawsuit-federal | $3,950,000 |
| Staples, Inc. | Sycamore Partners Management | consumer protection violation | 2017 | private lawsuit-federal | $3,950,000 |
| Acuity Specialty Products, Inc., | New Mountain Capital | water pollution violation | 2007 | EPA | $3,800,000 |
| PetSmart | BC Partners | wage and hour violation | 2015 | private lawsuit-federal | $3,800,000 |
| Qdoba Restaurant Corporation | Apollo Global Management | wage and hour violation | 2024 | private lawsuit-state | $3,800,000 |
| Cardinal Logistics | H.I.G. Capital | wage and hour violation | 2011 | private lawsuit-federal | $3,750,000 |
| Kindred Nursing Centers L.P. | Apollo Global Management | nursing home violation | 2004 | KY-AG | $3,684,605 |
| FERRO CORP, KEIL CHEMICAL | American Securities LLC | environmental violation | 2002 | EPA | $3,514,150 |
| America Online, Inc. | Apollo Global Management | accounting fraud or deficiencies | 2000 | SEC | $3,500,000 |
| Ann Taylor | Sycamore Partners Management | wage and hour violation | 2017 | private lawsuit-state | $3,500,000 |
| Platinum Equity Advisors, LLC | Platinum Equity | investor protection violation | 2017 | SEC | $3,402,132 |
| EP Energy Massachusetts, LLC | Encap Investments | False Claims Act and related | 2012 | MA-AG | $3,250,000 |
| 99 Cents Only | Ares Management | wage and hour violation | 2012 | private lawsuit-state | $3,200,000 |
| 99 Cents Only | Ares Management | wage and hour violation | 2007 | private lawsuit-state | $3,200,000 |
| Liberty Life Insurance Company of Greenville, S.C. | Apollo Global Management | insurance violation | 2005 | MULTI-FIN | $3,075,950 |
| America Online | Apollo Global Management | consumer protection violation | 2007 | MULTI-AG | $3,000,000 |
| Exactech Inc. | TPG Capital | kickbacks and bribery | 2010 | USAO | $2,990,000 |
| Akzo Nobel N.V. | Carlyle Group | Foreign Corrupt Practices Act | 2007 | SEC | $2,981,513 |
| Talbots | Sycamore Partners Management | wage and hour violation | 2018 | private lawsuit-state | $2,950,000 |
| Guitar Center | Ares Management | wage and hour violation | 2006 | private lawsuit-state | $2,900,000 |
| Corporate Express | Sycamore Partners Management | employment discrimination | 2002 | private lawsuit-state | $2,900,000 |
| Heritage-Crystal Clean, LLC | J.F. Lehman & Company | environmental violation | 2023 | EPA | $2,791,002 |
| Hitachi Metals Ltd. | Bain Capital | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $2,725,000 |
| American Medical Response Inc. | KKR & Co. | False Claims Act and related | 2011 | USAO | $2,700,000 |
| ADT LLC | Apollo Global Management | wage and hour violation | 2016 | private lawsuit-federal | $2,700,000 |
| Insight Global LLC | Ares Management | False Claims Act and related | 2024 | DOJ_CIVIL | $2,700,000 |
| Beverly Enterprises, Inc. | Fillmore Capital Partners | nursing home violation | 2002 | CA-AG | $2,586,927 |
| Lifepoint Hospitals, Inc. | Apollo Global Management | False Claims Act and related | 2013 | DOJ_CIVIL | $2,522,502 |
| Rural/Metro Corporation | KKR & Co. | False Claims Act and related | 2007 | DOJ_CIVIL | $2,500,000 |
| TI Automotive | Bain Capital | labor relations violation | 2005 | NLRB | $2,500,000 |
| Transworld Systems, Inc. | Platinum Equity | consumer protection violation | 2017 | CFPB | $2,500,000 |
| Pharmerica | KKR & Co. | False Claims Act and related | 2015 | USAO | $2,500,000 |
| Sedgwick Claims Management | Carlyle Group | wage and hour violation | 2017 | private lawsuit-state | $2,500,000 |
| CEC Entertainment | Apollo Global Management | wage and hour violation | 2016 | private lawsuit-federal | $2,500,000 |
| Petco Animal Supplies | CVC Capital Partners | wage and hour violation | 2002 | private lawsuit-state | $2,500,000 |
| PharMerica Corp. | KKR & Co. | kickbacks and bribery | 2015 | MULTI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $2,500,000 |
| Apollo Global Management | Apollo Global Management | WARN Act violation | 2019 | private lawsuit-federal | $2,500,000 |
| Alcoa Inc. (now Arconic) | Apollo Global Management | employment discrimination | 2003 | private lawsuit-federal | $2,482,000 |
| Southern Tennessee Medical Center LLC | Apollo Global Management | False Claims Act and related | 2016 | USAO | $2,481,856 |
| Kindred Healthcare | Apollo Global Management | wage and hour violation | 2016 | private lawsuit-state | $2,465,000 |
| Petsmart, Inc. | BC Partners | wage and hour violation | 2019 | private lawsuit-federal | $2,420,000 |
| Securities America, Inc. | Reverence Capital Partners | investor protection violation | 2005 | FINRA | $2,400,000 |
| Gulf Oil Limited Partnership | ArcLight Capital Partners | environmental violation | 2020 | EPA | $2,400,000 |
| 99 Cents Only Stores | Ares Management | hazardous waste violation | 2015 | CA-MULTI | $2,362,500 |
| Colorite Specialty Resins | Genstar Capital | environmental violation | 2008 | EPA | $2,300,000 |
| 21st Century Oncology, Inc. | KKR & Co. | privacy violation | 2017 | HHSOCR | $2,300,000 |
| Akzo Nobel Inc. | Carlyle Group | price-fixing or anti-competitive practices | 2009 | MULTI-AG | $2,275,454 |
| Gymboree | Bain Capital | wage and hour violation | 2006 | private lawsuit-state | $2,275,000 |
| Transworld Systems, Inc. | Platinum Equity | consumer protection violation | 2021 | MA-AG | $2,250,000 |
| Higher One, Incorporated | Providence Equity Partners | banking violation | 2015 | FED | $2,231,250 |
| Frontier Airlines | Indigo Partners | aviation consumer protection violation | 2022 | ACPD | $2,200,000 |
| American Securities LLC | American Securities LLC | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $2,200,000 |
