| A & I Roofing, Inc. | 8 | $6,575 | Aug 22, 2022 |
| A B E Lath & Plastering Inc. | 1 | $225 | Jan 30, 2026 |
| Adams Commercial General Contracting Inc | 26 | $23,865 | Sep 10, 2026 |
| Advanced Coatings | 4 | $1,555 | Sep 1, 2015 |
| Air Tight | 2 | $665 | Feb 25, 2025 |
| Alexandri Construction | 2 | $500 | Mar 18, 2021 |
| Alto Brothers Trucking, Inc. | 4 | $1,340 | Aug 12, 2016 |
| Alves, Inc. | 12 | $18,384 | Aug 25, 2025 |
| Ambrose Construction Inc | 4 | $8,735 | Feb 4, 2026 |
| American Industrial Door Company | 2 | $450 | Nov 6, 2019 |
| Art's Roofing Inc | 4 | $2,575 | Apr 2, 2026 |
| B & C Signs and Awnings | 2 | $525 | Jan 27, 2026 |
| Beacom Construction Co | 11 | $3,360 | Aug 25, 2026 |
| Ben Goulart | 1 | $195 | Apr 24, 2020 |
| Bevmo! Inc. | 2 | $700 | Aug 4, 2025 |
| Bicoastal Nor Cal, LLC | 1 | $3,750 | Jun 28, 2017 |
| Cal First Enterprises, Inc. | 6 | $3,360 | May 18, 2017 |
| California Dept. of Transportation | 6 | $22,940 | Sep 5, 2017 |
| Carter Hotels | 4 | $1,020 | Jun 29, 2019 |
| Century Mobile Homes | 5 | $5,765 | Jul 6, 2021 |
| Christian & Sons Construction Company | 3 | $955 | Mar 8, 2017 |
| City of Eureka | 22 | $9,450 | Apr 20, 2026 |
| City of Eureka - Public Works | 4 | $2,290 | May 1, 2024 |
| Classic Drywall Systems Inc | 1 | $5,060 | May 4, 2017 |
| Clear-Sighted Inspections | 2 | $360 | Mar 21, 2024 |
| Coastalco Builders | 1 | $435 | Apr 9, 2024 |
| Coca Cola Refreshments | 1 | $7,000 | Apr 20, 2016 |
| Compass Carpentry | 3 | $1,050 | Feb 25, 2020 |
| Cone Plumbing Inc | 1 | $3,150 | Nov 6, 2019 |
| Corey Leach | 1 | $435 | Apr 24, 2020 |
| County of Humboldt Probation Department | 1 | $375 | Jan 3, 2024 |
| Courseco Inc | 4 | $2,400 | Jun 26, 2024 |
| D T Fabrication Welding | 1 | $130 | Jul 25, 2024 |
| Danco Builders | 34 | $43,525 | Jul 14, 2026 |
| Davis Management Group, Inc. | 5 | $1,365 | Feb 14, 2018 |
| Detherage Roofing Inc | 8 | $2,909 | Feb 13, 2026 |
| Dieselmotive Company, Inc | 3 | $410 | Dec 18, 2015 |
| Direct Drilling Inc | 1 | $225 | Jan 3, 2024 |
| E. G. Ayers Distributing, Inc. | 1 | $1,800 | Dec 7, 2023 |
| Ellena Construction | 1 | $2,250 | Feb 16, 2016 |
| Eric R Banko Construction | 1 | $260 | Aug 7, 2019 |
| Eureka Floor Carpet One | 1 | $875 | Jul 14, 2025 |
| Eureka High School | 2 | $18,225 | Jul 20, 2016 |
| Eureka Natural Foods | 5 | $2,945 | Sep 10, 2021 |
| Eureka Oxygen Company | 7 | $5,820 | Jun 23, 2015 |
| Farr Construction California | 7 | $2,835 | Jul 1, 2019 |
| Figas Construction | 29 | $22,395 | Feb 5, 2026 |
| Fleming Plastering | 5 | $2,485 | Sep 22, 2021 |
| Foods North LP | 4 | $915 | Apr 25, 2019 |
| Fraga's Sweetheart Motors | 4 | $770 | Feb 21, 2020 |
| From the Ground up Construction | 1 | $175 | Aug 3, 2018 |
| G M Pavlich Construction, Inc | 4 | $3,115 | Jul 8, 2025 |
| Garrison Demolition and Engineering, Inc. | 2 | $510 | Oct 23, 2023 |
| Geary Construction | 2 | $695 | Nov 8, 2016 |
| Gil's Communication, Inc. | 5 | $7,155 | Apr 13, 2026 |
| Golden State Overnight Delivery Service Inc. | 10 | $20,800 | Jan 23, 2018 |
| Han Frye Corp | 5 | $965 | Jan 4, 2023 |
| Haus Construction, Inc. | 3 | $13,685 | May 27, 2026 |
| Haven-Electric Inc | 3 | $410 | Jun 14, 2023 |
| Heryford Electric & Communications | 1 | $435 | Dec 2, 2019 |
| Hilfiker Pipe Company | 17 | $43,315 | Sep 17, 2024 |
| Humboldt Community Services District | 5 | $3,260 | Mar 14, 2018 |
| Humboldt County | 1 | $375 | Oct 13, 2020 |
| Humboldt County Building Maintenance Office | 1 | $560 | Dec 22, 2022 |
| Humboldt County DHHS - Mental Health Branch | 1 | $280 | Nov 14, 2017 |
| Humboldt County Social Services | 4 | $375 | Mar 28, 2024 |
| Humboldt Fence Company | 2 | $415 | Oct 18, 2023 |
| Humboldt Sheriffs Office Work Detail Program | 1 | $10,800 | Apr 5, 2017 |
| Hunter and Son Construction Inc | 2 | $785 | Aug 13, 2026 |
| Infinity Abatement Services | 2 | $695 | Dec 4, 2024 |
| JFR Trucking Inc | 1 | $2,000 | Dec 15, 2025 |
| John H Kruger Plastering & Drywall | 8 | $7,690 | Jun 21, 2022 |
| Kelly Martin | 5 | $1,040 | Sep 15, 2016 |
| Kevin Jones | 2 | $725 | Mar 21, 2018 |
| Kramer Properties, Inc. | 10 | $10,755 | Jul 1, 2025 |
| L D H Construction Services | 2 | $370 | Jan 31, 2020 |
| Lots 4 Tots | 1 | $130 | Feb 10, 2022 |
| Lucchesi Builders Inc | 7 | $5,077 | Jan 6, 2026 |
| Marc Malfatti Electric | 2 | $350 | Apr 9, 2024 |
| Mark Carter | 1 | $300 | Mar 21, 2024 |
| Mark Topping | 1 | $1,000 | Jul 12, 2016 |
| McClone Construction Company LLC | 30 | $29,575 | Mar 3, 2026 |
| McCrea Motors | 1 | $410 | Apr 25, 2017 |
| McMurray & Sons, Inc. | 32 | $35,365 | Aug 31, 2026 |
| Mercer Fraser Company | 110 | $202,295 | Apr 21, 2025 |
| Metal Masters, Inc. | 3 | $2,785 | Apr 9, 2024 |
| Moore's Roofing and Services | 3 | $5,770 | Mar 2, 2026 |
| Myrtletowne Body Shop, Inc | 1 | $335 | Feb 19, 2026 |
| Nehalem Marine Manufacturing | 2 | $390 | May 18, 2018 |
| Northcoast Partners, Inc. | 2 | $610 | Feb 21, 2020 |
| Northern CA Indian Development Council, Inc. | 2 | $5,605 | May 16, 2017 |
| O & M Industries | 27 | $30,735 | Jan 6, 2026 |
| Ontrac Logistics, Inc. | 1 | $560 | Dec 9, 2024 |
| Pacific Seafood Group | 4 | $24,560 | Feb 14, 2018 |
| Pacific Shellfish-Humboldt, LLC | 1 | $0 | Jan 5, 2021 |
| Pierson Building Center | 2 | $1,030 | Apr 4, 2023 |
| Pierson Company | 4 | $3,780 | Jul 9, 2024 |
| R a O Construction Co Inc | 23 | $8,105 | Apr 21, 2025 |
| Reclaimed Accents Inc | 3 | $260 | Sep 27, 2016 |
| Redwood Community College District | 2 | $750 | Aug 22, 2018 |
| Redwood Empire Roofing Inc. | 12 | $10,950 | Aug 22, 2022 |
| Resource Staffing Group, Inc. | 1 | $450 | Feb 28, 2018 |
| Robert Colburn Electric Inc | 2 | $3,135 | Sep 13, 2022 |
| Rock Point Construction LLC | 3 | $1,060 | Jun 12, 2026 |
| Ruffino's Landscape | 1 | $225 | Apr 21, 2025 |
| Russell Skipper | 1 | $195 | Sep 8, 2020 |
| S J R Masonry & Construction | 2 | $455 | May 22, 2023 |
| S T Group | 1 | $435 | Nov 8, 2018 |
| Sandman Painting | 4 | $955 | Feb 10, 2016 |
| Schmidbauer Building Supply LLC | 3 | $11,695 | Jan 26, 2021 |
| Schmidbauer Lumber Inc | 27 | $63,220 | Apr 3, 2025 |
| Security Lock & Alarm | 1 | $200 | Feb 19, 2026 |
| Simply Solar | 2 | $5,225 | May 22, 2023 |
| Six Rivers Solar | 2 | $350 | Nov 28, 2023 |
| SJR Masonry & Construction | 1 | $300 | Jun 11, 2025 |
| SNG Hotels Inc | 2 | $6,635 | Sep 19, 2017 |
| Stephen Simpson | 3 | $525 | Oct 17, 2018 |
| Strombeck Construction and Painting Inc | 3 | $600 | Nov 8, 2016 |
| Table Bluff Brewing, Inc. | 1 | $10,800 | May 19, 2026 |
| Thompson Builders Corporation | 13 | $20,690 | Apr 21, 2025 |
| TJ Maxx Store | 2 | $450 | Aug 6, 2024 |
| Traffic Management, Inc. | 2 | $560 | Jun 22, 2026 |
| U.S. Department of Agriculture - Forest Service - Six Rivers National Forest | 8 | $0 | Feb 26, 2025 |
| Umbrella Corporation | 3 | $450 | Sep 27, 2016 |
| Valerie Hatfield | 3 | $1,050 | Sep 14, 2023 |
| Wahlund Construction Inc | 22 | $18,025 | Apr 29, 2024 |
| Wayne Maples Plumbing & Heating, Inc. | 12 | $8,080 | Jan 21, 2026 |
| Wehausen Painting LLC | 1 | $350 | Aug 13, 2026 |
| William Thomas Binnie | 2 | $610 | Jun 23, 2016 |
| Y B J Construction Services | 10 | $6,700 | Jun 1, 2015 |
| Zack Cox Construction | 4 | $825 | Sep 10, 2025 |