| Windstream Corporation | Windstream | telecommunications violation | 2014 | FCC | $2,500,000 |
| Frontier Communications Parent, Inc. et al. | Frontier Communications | utility service violation | 2022 | CA-PUC | $2,504,000 |
| SBC Communications | AT&T | telecommunications violation | 2001 | FCC | $2,520,000 |
| AT&T Mobility | AT&T | consumer protection violation | 2009 | NY-AG | $2,630,000 |
| CenturyLink | Lumen Technologies | consumer protection violation | 2016 | ND-PSC | $2,660,000 |
| Frontier Communications of New York, Inc. | Frontier Communications | utility service violation | 2021 | NY-PSC | $2,700,000 |
| Sprint | T-Mobile US | wage and hour violation | 2011 | private lawsuit-federal | $2,712,000 |
| AT&T Services | AT&T | wage and hour violation | 2018 | private lawsuit-federal | $2,750,000 |
| Sprint United Management Company | T-Mobile US | wage and hour violation | 2021 | private lawsuit-federal | $2,750,000 |
| Nextel | T-Mobile US | wage and hour violation | 2010 | private lawsuit-federal | $2,800,000 |
| Qwest Corporation dba CenturyLink QC | Lumen Technologies | utility service violation | 2016 | WA-UTC | $2,854,750 |
| AT&T Communications- East, Inc. | AT&T | False Claims Act and related | 2006 | DOJ_CIVIL | $2,900,000 |
| Sprint | T-Mobile US | consumer protection violation | 2015 | FTC | $2,950,000 |
| VONAGE | Ericsson | consumer protection violation | 2009 | MULTI-AG | $3,000,000 |
| Pacific Bell | AT&T | wage and hour violation | 2013 | private lawsuit-federal | $3,100,000 |
| Verizon Select Services Inc. and Snyder Communications | Verizon Communications | consumer protection violation | 2001 | FL-AG | $3,100,000 |
| Level 3 Communications, Inc. | Lumen Technologies | benefit plan administrator violation | 2012 | private lawsuit-federal | $3,200,000 |
| Qwest Corporation | Lumen Technologies | consumer protection violation | 2002 | WA-UTC | $3,200,000 |
| Sprint/United Management Company | T-Mobile US | wage and hour violation | 2019 | private lawsuit-federal | $3,250,000 |
| Cricket Wireless, LLC and AT&T, Inc. | AT&T | consumer protection violation | 2021 | MD-AG | $3,274,973 |
| AT&T | AT&T | wage and hour violation | 2013 | private lawsuit-federal | $3,287,500 |
| MCI | Verizon Communications | consumer protection violation | 2006 | CA-PUC | $3,300,000 |
| Sprint Nextel | T-Mobile US | wage and hour violation | 2016 | private lawsuit-federal | $3,370,000 |
| Verizon | Verizon Communications | telecommunications violation | 2015 | FCC | $3,400,000 |
| MCI Communication Services | Verizon Communications | wage and hour violation | 2009 | private lawsuit-federal | $3,450,000 |
| AT&T | AT&T | False Claims Act and related | 2013 | DOJ_CIVIL | $3,500,000 |
| MCI Worldcom | Verizon Communications | telecommunications violation | 2000 | FCC | $3,500,000 |
| Time Warner Cable | Charter Communications | wage and hour violation | 2016 | private lawsuit-federal | $3,500,000 |
| Qwest Communications | Lumen Technologies | utility administrative violation | 2005 | NM-PRC | $3,500,000 |
| T-Mobile USA, Inc. | T-Mobile US | utility service violation | 2022 | CA-PUC | $3,585,000 |
| SBC Communications | AT&T | telecommunications violation | 2002 | FCC | $3,600,000 |
| Time Warner Cable | Charter Communications | wage and hour violation | 2014 | private lawsuit-federal | $3,750,000 |
| Qwest | Lumen Technologies | consumer protection violation | 2003 | AZ-AG | $3,750,000 |
| AT&T | AT&T | utility administrative violation | 2020 | CA-PUC | $3,750,000 |
| Ameritech | AT&T | utility administrative violation | 2000 | MI-PSC | $3,750,000 |
| Lumen Technologies | Lumen Technologies | telecommunications violation | 2021 | FCC | $3,800,000 |
| Southern New England Telephone | Frontier Communications | telecommunications violation | 2015 | FCC | $4,000,000 |
| Sprint/United Management Company | T-Mobile US | wage and hour violation | 2019 | private lawsuit-federal | $4,000,000 |
| Verizon Wireless | Verizon Communications | privacy violation | 2016 | private lawsuit-federal | $4,000,000 |
| Verizon Business Network Services LLC | Verizon Communications | False Claims Act and related | 2023 | DOJ_CIVIL | $4,091,317 |
| Lucent Technologies World Services Inc. | Nokia | False Claims Act and related | 2012 | DOJ_CIVIL | $4,200,000 |
| NBC Universal Television Group | Comcast | wage and hour violation | 2017 | private lawsuit-federal | $4,266,000 |
| Avaya Inc. | Avaya Holdings | employment discrimination | 2007 | private lawsuit-state | $4,555,459 |
| TracFone Wireless Inc. | Verizon Communications | telecommunications violation | 2013 | FCC | $4,573,376 |
| Cingular Wireless, LLC | AT&T | wage and hour violation | 2007 | WHD | $4,711,767 |
| Cablevision Systems Corporation | Altice USA Inc. | consumer protection violation | 2019 | private lawsuit-federal | $4,750,000 |
| Vonage America Inc. | Ericsson | consumer protection violation | 2011 | private lawsuit-federal | $4,750,000 |
| T-Mobile USA, Inc. | T-Mobile US | wage and hour violation | 2003 | WHD | $4,779,985 |
| Verizon | Verizon Communications | consumer protection violation | 2004 | CA-PUC | $4,836,000 |
| The DirecTV Group and Hughes Network Systems Corporation, Inc. | AT&T | export control violation | 2005 | DDTC | $5,000,000 |
| Verizon | Verizon Communications | telecommunications violation | 2015 | FCC | $5,000,000 |
| AT&T Mobility | AT&T | wage and hour violation | 2014 | private lawsuit-federal | $5,000,000 |
| Verizon | Verizon Communications | wage and hour violation | 2010 | private lawsuit-state | $5,000,000 |
| Comcast Corporation | Comcast | benefit plan administrator violation | 2011 | private lawsuit-federal | $5,000,000 |
| Altice | Altice USA Inc. | consumer protection violation | 2018 | NY-AG | $5,000,000 |
| DirecTV | AT&T | consumer protection violation | 2005 | MULTI-AG | $5,000,000 |
| EchoStar Communications Corporation | DISH Network | consumer protection violation | 2003 | MULTI-AG | $5,000,000 |
| Frontier Telephone of Rochester, Inc. | Frontier Communications | utility safety violation | 2021 | NY-PSC | $5,000,000 |
| Southwestern Bell | AT&T | employment discrimination | 2012 | private lawsuit-state | $5,120,000 |
| AT&T Mobility | AT&T | telecommunications violation | 2018 | FCC | $5,250,000 |
| DIRECTV | AT&T | consumer protection violation | 2005 | FTC | $5,335,000 |
| Sprint | T-Mobile US | employment discrimination | 2006 | private lawsuit-federal | $5,500,000 |
| DISH Network California Service Corp. | DISH Network | hazardous waste violation | 2022 | CA-MULTI | $5,500,000 |
| AT&T Inc. | AT&T | consumer protection violation | 2013 | private lawsuit-federal | $5,500,000 |
| Verizon | Verizon Communications | wage and hour violation | 2008 | private lawsuit-state | $5,550,000 |
| Sprint Corporation | T-Mobile US | False Claims Act and related | 2003 | DOJ_CIVIL | $5,565,250 |
| DISH Network | DISH Network | consumer protection violation | 2014 | WA-AG | $5,569,500 |
| Verizon Telephone Companies | Verizon Communications | telecommunications violation | 2003 | FCC | $5,700,000 |
| DISH Network, L.L.C. | DISH Network | consumer protection violation | 2009 | MULTI-AG | $5,900,000 |
| AT&T | AT&T | hazardous waste violation | 2022 | CA-MULTI | $5,900,000 |
| SBC Communications | AT&T | telecommunications violation | 2002 | FCC | $6,000,000 |
| Pacific Bell Telephone | AT&T | wage and hour violation | 2014 | private lawsuit-state | $6,000,000 |
| South Central Bell | AT&T | employment discrimination | 2003 | private lawsuit-federal | $6,000,000 |
| Verizon Communication | Verizon Communications | Family and Medical Leave Act | 2010 | CA-CRD | $6,011,190 |
| TracFone Wireless, Inc | Verizon Communications | telecommunications violation | 2020 | FCC | $6,013,000 |
| AT&T | AT&T | investor protection violation | 2022 | SEC | $6,250,000 |
| NBCUniversal Inc. | Comcast | wage and hour violation | 2015 | private lawsuit-federal | $6,400,000 |
| Qwest Communications International | Lumen Technologies | telecommunications violation | 2003 | FCC | $6,500,000 |
| AT&T Services Inc. | AT&T | telecommunications violation | 2015 | FCC | $6,900,000 |
| AT&T | AT&T | consumer protection violation | 2008 | IL-AG | $7,000,000 |
| BellSouth | AT&T | utility service violation | 2001 | GA-PSC | $7,000,000 |
| Comcast | Comcast | employment discrimination | 2016 | private lawsuit-federal | $7,210,000 |
| Verizon | Verizon Communications | telecommunications violation | 2014 | FCC | $7,400,000 |
| Sprint Corp. | T-Mobile US | telecommunications violation | 2014 | FCC | $7,500,000 |
| Verizon Communications Inc. | Verizon Communications | consumer protection violation | 2013 | private lawsuit-federal | $7,500,000 |
| Verizon | Verizon Communications | wage and hour violation | 2013 | private lawsuit-federal | $7,721,000 |
| AT&T Services | AT&T | telecommunications violation | 2016 | FCC | $7,750,000 |
| Qwest Corporation | Lumen Technologies | utility administrative violation | 2006 | WA-UTC | $7,800,000 |
| EchoStar Communications Corp. | DISH Network | employment discrimination | 2005 | EEOC | $8,000,000 |
| AT&T Mobility | AT&T | wage and hour violation | 2016 | private lawsuit-federal | $8,000,000 |
| T-Mobile USA, Inc. | T-Mobile US | wage and hour violation | 2020 | private lawsuit-federal | $8,000,000 |
| BellSouth Telecommunications | AT&T | wage and hour violation | 2013 | private lawsuit-federal | $8,129,675 |
| Level 3 Communications, LLC | Lumen Technologies | False Claims Act and related | 2016 | MA-AG | $8,200,000 |
| SBC Ameritech Ohio | AT&T | utility service violation | 2002 | OH-PUC | $8,200,000 |
| AT&T Technical Services Corp. | AT&T | False Claims Act and related | 2009 | DOJ_CIVIL | $8,266,414 |
| MCI WorldCom Communications, Inc. | Verizon Communications | telecommunications violation | 2002 | CA-AG | $8,500,000 |
| Sprint | T-Mobile US | wage and hour violation | 2009 | private lawsuit-federal | $8,771,000 |
| Qwest Corporation | Lumen Technologies | telecommunications violation | 2004 | FCC | $9,000,000 |
| U.S. West Communications Inc. | Lumen Technologies | utility service violation | 2004 | AZ-CC | $9,000,000 |
| Purple Communications and CSDVRS | ZVRS | telecommunications violation | 2017 | FCC | $9,116,527 |
| DirecTV | AT&T | consumer protection violation | 2023 | private lawsuit-federal | $9,400,000 |
