| May 17, 2008 | Arlie Ricasa 2008 | A | $1,500 |
| Jul 28, 2006 | Californians for Schwarzenegger - 2006 | A | $1,000 |
| Jul 28, 2006 | Californians for Schwarzenegger - 2006 | A | $1,000 |
| Feb 16, 2006 | Weaver, Richard (Mr.) | JCOH | $500 |
| Jan 20, 2020 | Texas Association of Nurse Anesthetists Political Action Committee | MPAC | $500 |
| Jun 30, 2018 | Meuser for Secretary of State 2018 | A | $500 |
| Nov 7, 2024 | Carl DeMaio For State Assembly 2024 | A | $500 |
| Jun 30, 2018 | Meuser for Secretary of State 2018 | A | $500 |
| Oct 13, 2022 | Price IV, Walter T. (The Honorable) | COH | $250 |
| Nov 15, 2013 | Texas Association of Defense Counsel Politcal Action Committee | GPAC | $250 |
| Feb 1, 2018 | Texas Association of Nurse Anesthetists Political Action Committee | MPAC | $250 |
| Feb 5, 2002 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $200 |
| Feb 5, 2002 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $200 |
| Feb 5, 2002 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $200 |
| Feb 5, 2002 | California Dental Political Action Committee - Small Contributor (CalDPAC) | F496P3 | $200 |
| Jan 16, 2003 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $200 |
| Aug 2, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $110 |
| Aug 5, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 22, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| May 12, 2015 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Jan 19, 2007 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $100 |
| Jul 8, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| May 13, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Apr 29, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Sep 17, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Sep 3, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 20, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 6, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 23, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 9, 2021 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 8, 2015 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Jul 8, 2015 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Oct 19, 2025 | Reform California with Carl DeMaio - Ballot Measure Committee | F496P3 | $100 |
| Feb 7, 2017 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Jul 13, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Mar 30, 2025 | Carl DeMaio for State Assembly 2026 | A | $100 |
| Sep 13, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Oct 4, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Nov 2, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Feb 21, 2006 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $100 |
| Dec 9, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Dec 21, 2016 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $100 |
| Jun 20, 2025 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jun 6, 2025 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Mar 30, 2025 | Carl DeMaio for State Assembly 2026 | A | $100 |
| Jan 30, 2004 | California Dental Association Independent Expenditure PAC | A | $100 |
| Jan 30, 2004 | California Dental Association Independent Expenditure PAC | A | $100 |
| Jan 30, 2004 | California Dental Association Independent Expenditure PAC | F496P3 | $100 |
| May 23, 2025 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| May 9, 2025 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jan 27, 2005 | California Dental Political Action Committee - Small Contributor (CalDPAC) | A | $100 |
| Sep 13, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 30, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 16, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 2, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 19, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jul 5, 2024 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Aug 19, 2022 | HDR, Inc. Employee Owners PAC | MPAC | $100 |
| Jan 25, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Dec 28, 2018 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jan 11, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Feb 8, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Feb 22, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Mar 8, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Mar 22, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Apr 5, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Apr 19, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| May 17, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| May 31, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jun 14, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Dec 27, 2019 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jan 10, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jan 24, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Feb 7, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Feb 21, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Mar 6, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Mar 20, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Apr 3, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Apr 17, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| May 1, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| May 15, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jun 26, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jul 10, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jul 24, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Aug 7, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Aug 21, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Sep 4, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Sep 18, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Oct 2, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Oct 16, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Oct 30, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Nov 13, 2020 | HDR, Inc. Political Action Committee | MPAC | $55 |
| Jun 19, 2015 | HDR, Inc. Political Action Committee | GPAC | $50 |
| May 8, 2015 | HDR, Inc. Political Action Committee | GPAC | $50 |
| Jun 5, 2015 | HDR, Inc. Political Action Committee | GPAC | $50 |
| May 22, 2015 | HDR, Inc. Political Action Committee | GPAC | $50 |
| Jul 21, 2024 | Texas Association of Nurse Anesthetists Political Action Committee | MPAC | $41.67 |
| Mar 6, 2009 | HDR, Inc. PAC | A | $25 |
| Mar 20, 2009 | HDR, Inc. PAC | A | $25 |
| Apr 3, 2009 | HDR, Inc. PAC | A | $25 |
| Apr 17, 2009 | HDR, Inc. PAC | A | $25 |
| May 1, 2009 | HDR, Inc. PAC | A | $25 |
| Jan 9, 2009 | HDR, Inc. PAC | A | $25 |
| May 15, 2009 | HDR, Inc. PAC | A | $25 |
| Jan 23, 2009 | HDR, Inc. PAC | A | $25 |
| May 29, 2009 | HDR, Inc. PAC | A | $25 |
| Jan 22, 2010 | HDR, Inc. PAC | A | $25 |
| Mar 5, 2010 | HDR, Inc. PAC | A | $25 |
| Feb 21, 2018 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $25 |
| Feb 5, 2010 | HDR, Inc. PAC | A | $25 |
| Nov 27, 2009 | HDR, Inc. PAC | A | $25 |
| Nov 13, 2009 | HDR, Inc. PAC | A | $25 |
| Oct 30, 2009 | HDR, Inc. PAC | A | $25 |
| Oct 16, 2009 | HDR, Inc. PAC | A | $25 |
| Oct 2, 2009 | HDR, Inc. PAC | A | $25 |
| Sep 4, 2009 | HDR, Inc. PAC | A | $25 |
| Dec 11, 2009 | HDR, Inc. PAC | A | $25 |
| Nov 3, 2006 | Professionals PAC | A | $25 |
| Jan 8, 2010 | HDR, Inc. PAC | A | $25 |
| Dec 29, 2006 | Professionals PAC | A | $25 |
| Dec 15, 2006 | Professionals PAC | A | $25 |
| Dec 1, 2006 | Professionals PAC | A | $25 |
| Nov 17, 2006 | Professionals PAC | A | $25 |
| May 5, 2006 | Professionals PAC | A | $25 |
| Apr 21, 2006 | Professionals PAC | A | $25 |
| Apr 7, 2006 | Professionals PAC | A | $25 |
| Mar 24, 2006 | Professionals PAC | A | $25 |
| Mar 10, 2006 | Professionals PAC | A | $25 |
| Jul 14, 2006 | Professionals PAC | A | $25 |
| Jul 28, 2006 | Professionals PAC | A | $25 |
| Aug 25, 2006 | Professionals PAC | A | $25 |
| Sep 8, 2006 | Professionals PAC | A | $25 |
| Sep 22, 2006 | Professionals PAC | A | $25 |
| Feb 24, 2006 | Professionals PAC | A | $25 |
| Jun 1, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 29, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Mar 9, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Mar 23, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Apr 6, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Apr 20, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| May 4, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jan 12, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| May 18, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jan 26, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Feb 9, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 15, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Feb 23, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Aug 21, 2009 | HDR, Inc. PAC | A | $25 |
| Jul 10, 2009 | HDR, Inc. PAC | A | $25 |
| Jul 24, 2009 | HDR, Inc. PAC | A | $25 |
| Dec 28, 2009 | HDR, Inc. PAC | A | $25 |
| Aug 7, 2009 | HDR, Inc. PAC | A | $25 |
| Jul 13, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Nov 16, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jul 27, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Nov 30, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Aug 10, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Dec 14, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Aug 24, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Sep 7, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Sep 21, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Oct 5, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Oct 19, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Nov 2, 2007 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 2, 2006 | Professionals PAC, HDR, Inc. | A | $25 |
| Mar 21, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Apr 18, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| May 2, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| May 16, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Apr 4, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| May 30, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 13, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 27, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Mar 29, 2018 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $25 |
| Sep 5, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Feb 10, 2006 | Professionals PAC | A | $25 |
| Jan 27, 2006 | Professionals PAC | A | $25 |
| May 19, 2006 | Professionals PAC | A | $25 |
| Jan 17, 2019 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $25 |
| Mar 19, 2010 | HDR, Inc. PAC | A | $25 |
| Apr 30, 2010 | HDR, Inc. PAC | A | $25 |
| Jan 8, 2010 | HDR, Inc. PAC | A | $25 |
| Jan 17, 2019 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $25 |
| Jun 30, 2006 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 16, 2006 | Professionals PAC, HDR, Inc. | A | $25 |
| Jun 12, 2009 | HDR, Inc. PAC | A | $25 |
| May 14, 2010 | HDR, Inc. PAC | A | $25 |
| Mar 6, 2018 | Texas Society Of Anesthesiologists Political Action Committee | MPAC | $25 |
| Jun 26, 2009 | HDR, Inc. PAC | A | $25 |
| Apr 2, 2010 | HDR, Inc. PAC | A | $25 |
| Apr 16, 2010 | HDR, Inc. PAC | A | $25 |
| Feb 5, 2010 | HDR, Inc. PAC | A | $25 |
| Mar 5, 2010 | HDR, Inc. PAC | A | $25 |
| Feb 22, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Feb 8, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jan 11, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jan 25, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Mar 7, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Aug 8, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Sep 19, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Aug 22, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jul 11, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jul 25, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Oct 17, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Oct 3, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Jan 22, 2010 | HDR, Inc. PAC | A | $25 |
| Dec 26, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Dec 12, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Oct 31, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Nov 14, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Nov 28, 2008 | Professionals PAC, HDR, Inc. | A | $25 |
| Feb 6, 2009 | HDR, Inc. PAC | A | $25 |
| Jul 29, 2005 | Professionals PAC | A | $10 |
| Jul 15, 2005 | Professionals PAC | A | $10 |
| Jul 1, 2005 | Professionals PAC | A | $10 |
| Nov 18, 2005 | Professionals PAC | A | $10 |
| Nov 4, 2005 | Professionals PAC | A | $10 |
| Oct 7, 2005 | Professionals PAC | A | $10 |
| Dec 30, 2005 | Professionals PAC | A | $10 |
| Jan 13, 2006 | Professionals PAC | A | $10 |
| Aug 26, 2005 | Professionals PAC | A | $10 |
| Sep 9, 2005 | Professionals PAC | A | $10 |
| Sep 23, 2005 | Professionals PAC | A | $10 |
| Oct 7, 2005 | Professionals PAC | A | $10 |
| Nov 4, 2005 | Professionals PAC | A | $10 |
| Jul 1, 2005 | Professionals PAC | A | $10 |
| Nov 18, 2005 | Professionals PAC | A | $10 |
| Jul 15, 2005 | Professionals PAC | A | $10 |
| Dec 2, 2005 | Professionals PAC | A | $10 |
| Dec 16, 2005 | Professionals PAC | A | $10 |
| Aug 12, 2005 | Professionals PAC | A | $10 |
| Sep 23, 2005 | Professionals PAC | A | $10 |
| Sep 9, 2005 | Professionals PAC | A | $10 |
| Aug 26, 2005 | Professionals PAC | A | $10 |
| Dec 30, 2005 | Professionals PAC | A | $10 |
| Aug 12, 2005 | Professionals PAC | A | $10 |
| Dec 16, 2005 | Professionals PAC | A | $10 |
| Jul 29, 2005 | Professionals PAC | A | $10 |
| Dec 2, 2005 | Professionals PAC | A | $10 |
| Jun 24, 2025 | Texans for Greg Abbott | SPAC | $5 |
| Oct 12, 2012 | HDR, Inc. PAC | A | $3.78 |
| Oct 26, 2012 | HDR, Inc. PAC | A | $3.66 |
| Nov 23, 2012 | HDR, Inc. PAC | A | $3.66 |
| Dec 7, 2012 | HDR, Inc. PAC | A | $3.66 |
| Nov 9, 2012 | HDR, Inc. PAC | A | $3.66 |
| Dec 21, 2012 | HDR, Inc. PAC | A | $3.66 |
| Mar 30, 2012 | HDR, Inc. PAC | A | $3.42 |
| May 11, 2012 | HDR, Inc. PAC | A | $3.42 |
| Apr 27, 2012 | HDR, Inc. PAC | A | $3.42 |
| Apr 13, 2012 | HDR, Inc. PAC | A | $3.42 |
| Aug 31, 2012 | HDR, Inc. PAC | A | $1.84 |
| Sep 28, 2012 | HDR, Inc. PAC | A | $1.84 |
| Jul 5, 2012 | HDR, Inc. PAC | A | $0.92 |
| Jul 20, 2012 | HDR, Inc. PAC | A | $0.92 |
| Aug 3, 2012 | HDR, Inc. PAC | A | $0.92 |
| Aug 16, 2012 | HDR, Inc. PAC | A | $0.92 |
| May 25, 2012 | HDR, Inc. PAC | A | $0.5 |
| Jun 22, 2012 | HDR, Inc. PAC | A | $0.5 |
| Jun 8, 2012 | HDR, Inc. PAC | A | $0.5 |
| Jan 7, 2011 | HDR, Inc. PAC | A | $0.43 |
| May 27, 2011 | HDR, Inc. PAC | A | $0.43 |
| Apr 15, 2011 | HDR, Inc. PAC | A | $0.43 |
| Apr 29, 2011 | HDR, Inc. PAC | A | $0.43 |
| May 13, 2011 | HDR, Inc. PAC | A | $0.43 |
| Feb 4, 2011 | HDR, Inc. PAC | A | $0.43 |
| Jun 10, 2011 | HDR, Inc. PAC | A | $0.43 |
| Mar 4, 2011 | HDR, Inc. PAC | A | $0.43 |
| Jun 24, 2011 | HDR, Inc. PAC | A | $0.43 |
| Jan 21, 2011 | HDR, Inc. PAC | A | $0.43 |
| Mar 18, 2011 | HDR, Inc. PAC | A | $0.43 |
| Apr 1, 2011 | HDR, Inc. PAC | A | $0.43 |
| Jan 6, 2012 | HDR, Inc. PAC | A | $0.32 |
| Jan 20, 2012 | HDR, Inc. PAC | A | $0.32 |
| Jul 8, 2011 | HDR, Inc. PAC | A | $0.12 |
| Aug 5, 2011 | HDR, Inc. PAC | A | $0.12 |
| Sep 30, 2011 | HDR, Inc. PAC | A | $0.12 |
| Aug 19, 2011 | HDR, Inc. PAC | A | $0.12 |
| Sep 2, 2011 | HDR, Inc. PAC | A | $0.12 |
| Sep 16, 2011 | HDR, Inc. PAC | A | $0.12 |
| Oct 14, 2011 | HDR, Inc. PAC | A | $0.12 |
| Dec 9, 2011 | HDR, Inc. PAC | A | $0.12 |
| Dec 23, 2011 | HDR, Inc. PAC | A | $0.12 |
| Jul 22, 2011 | HDR, Inc. PAC | A | $0.12 |
| Nov 10, 2011 | HDR, Inc. PAC | A | $0.12 |
| Oct 28, 2011 | HDR, Inc. PAC | A | $0.12 |
| Nov 25, 2011 | HDR, Inc. PAC | A | $0.12 |