| 2024 | Terence J O'Sullivan Liuna Charitable | 990 | Director (Effective Aug 2024) | 0.5 | $0 | $601,214 | View return |
| 2023 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $426,248 | $0 | View return |
| 2023 | Laborers' National Health & Welfare Fund | 990 | Former Trustee | 2 | $0 | $360,246 | View return |
| 2023 | Supporters Alliance for Environmental Responsibility | 990PF | Vice President-Past | 1 | $0 | $0 | View return |
| 2023 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2023 | Liuna Training and Education Fund | 990 | Union Trustee (To 4/23) | 1 | $0 | $0 | View return |
| 2023 | Labor-Management Cooperation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2023 | Laborers' Health and Safety Fund of North America | 990 | Trustee (Former) | 2 | $0 | $0 | View return |
| 2023 | Service Contract Education Training Trust Fund | 990 | Former Union Trustee | 2 | $0 | $0 | View return |
| 2023 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman - Past | 1 | $0 | $0 | View return |
| 2023 | Laborers Employers Cooperation and Educ Trust Sw | 990 | Past Trustee-Chair | 5 | $0 | $0 | View return |
| 2023 | Hawaii Laborers Health and Welfare Plan | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $496,752 | $0 | View return |
| 2022 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $496,752 | View return |
| 2022 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | Supporters Alliance for Environmental Responsibility | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2022 | International Accreditation Service Inc | 990 | Chair Thru 12/22 | 1 | $0 | $0 | View return |
| 2022 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2022 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2022 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2022 | Laborers Employers Cooperation and Educ Trust Sw | 990 | Trustee-Chair | 5 | $0 | $0 | View return |
| 2022 | Labor-Management Cooperation Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2022 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $474,298 | $0 | View return |
| 2021 | Labor-Management Cooperation Trust | 990 | Trustee | 1 | $1 | $0 | View return |
| 2021 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $474,298 | View return |
| 2021 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | Laborers Employers Cooperation and Educ Trust Sw | 990 | Trustee-Co Chair | 5 | $0 | $0 | View return |
| 2021 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2021 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2021 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2021 | International Accreditation Service Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2021 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2021 | Supporters Alliance for Environmental Responsibility | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2021 | Peca-Hew Vacation & Holiday Fund | 990EZ | Trustee | 1 | $0 | - | View return |
| 2020 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $437,836 | $0 | View return |
| 2020 | Labor-Management Cooperation Trust | 990 | Trustee | 1 | $1 | $0 | View return |
| 2020 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $437,836 | View return |
| 2020 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2020 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2020 | Supporters Alliance for Environmental Responsibility | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2020 | International Accreditation Service Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2020 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2020 | Laborers Employers Cooperation and Educ Trust Sw | 990 | Trustee | 5 | $0 | $0 | View return |
| 2020 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2020 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Peca-Hew Vacation & Holiday Fund | 990EZ | Trustee | 1 | $0 | - | View return |
| 2019 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $447,085 | $0 | View return |
| 2019 | Labor-Management Cooperation Trust | 990 | Trustee | 1 | $1 | $0 | View return |
| 2019 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $447,085 | View return |
| 2019 | Laborers Employers Cooperation and Educ Trust Sw | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2019 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2019 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2019 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2019 | Peca-Hew Vacation & Holiday Fund | 990 | Trusteee | 1 | $0 | $0 | View return |
| 2018 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $419,459 | $0 | View return |
| 2018 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $419,459 | View return |
| 2018 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2018 | Labor-Management Cooperation Trust | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2018 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2018 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2018 | American Rainwater Catchment Systems Assocation | 990EZ | Director | 2 | $0 | - | View return |
| 2018 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Peca-Hew Health & Welfare Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Peca-Hew Vacation & Holiday Fund | 990 | Trusteee | 1 | $0 | $0 | View return |
| 2017 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $410,879 | $0 | View return |
| 2017 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $410,879 | View return |
| 2017 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2017 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2017 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2017 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | American Rainwater Catchment Systems Assocation | 990EZ | Director | 2 | $0 | - | View return |
| 2017 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2017 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Arcsa Foundation | 990EZ | Director | 2 | $0 | - | View return |
| 2017 | Peca-Hew Vacation & Holiday Fund | 990 | Trusteee | 1 | $0 | $0 | View return |
| 2017 | Peca-Hew Health & Welfare Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $379,477 | $0 | View return |
| 2016 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $379,477 | View return |
| 2016 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | International Accreditation Service Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2016 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2016 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2016 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2016 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2016 | Peca-Hew Health & Welfare Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Peca-Hew Vacation & Holiday Fund | 990 | Trusteee | 1 | $0 | $0 | View return |
| 2015 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $375,059 | $0 | View return |
| 2015 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2015 | International Accreditation Service Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2015 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2015 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2015 | Peca-Hew Vacation & Holiday Fund | 990 | Trusteee | 1 | $0 | $0 | View return |
| 2015 | Peca-Hew Health & Welfare Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $365,903 | $0 | View return |
| 2014 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2014 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2014 | International Accreditation Service Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2014 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | California State Council of Laborers | 990 | Liuna Vice Pres. Reg. Mgr. | 1 | $0 | $0 | View return |
| 2013 | Laborers' International Union of Hcl | 990 | Vice President & Reg Mgr | 50 | $361,346 | $0 | View return |
| 2013 | The Laborers Pacific Southwest Regional Organizing Coalition | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Laborers' National Health & Welfare Fund | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Laborers Employers Cooperation And | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Liuna Training and Education Fund | 990 | Union Trustee | 1 | $0 | $0 | View return |
| 2013 | National Alliance for Fair Contracting | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | Laborers' Health and Safety Fund of North America | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Service Contract Education Training Trust Fund | 990 | Union Trustee | 2 | $0 | $0 | View return |
| 2013 | International Accreditation Service Inc | 990 | Director | 1 | - | - | View return |