| Air Vol Block, Inc. | 2 | $270 | Jun 29, 2022 |
| Alejandro Osbaldo Lazaro, an Individual | 5 | $650 | Nov 15, 2022 |
| Allweather Landscape Maintenance Inc. | 3 | $820 | Dec 9, 2019 |
| Architectural Welding Services dba Fusion Fabricators | 2 | $11,060 | Jul 29, 2020 |
| Army & Air Force Exchange Services - Camp San Luis Obispo | 4 | $0 | Oct 25, 2022 |
| Arnold Builders Inc. | 11 | $3,875 | Mar 24, 2026 |
| Associated Students, Incorporated | 14 | $5,655 | Jan 14, 2015 |
| Box Kite Barnyard, Inc. | 3 | $300 | Jul 7, 2023 |
| Bryan Gage's Anything in Trees | 4 | $1,000 | Jun 3, 2020 |
| Bunyon Bros. Tree Service, Inc. | 4 | $18,605 | Jun 29, 2022 |
| BWB, LLC | 4 | $580 | Jun 7, 2023 |
| CA Corrections & Rehabilitation California Men's Colony | 6 | $3,220 | Jan 24, 2018 |
| CA Corrections and Rehabilitation, California Men's Colony (CMC) San Luis Obispo | 4 | $15,900 | Oct 5, 2023 |
| CA Military Department, Camp San Luis Obispo | 4 | $2,570 | Apr 15, 2016 |
| Cal Poly Corporation | 10 | $21,770 | Dec 16, 2016 |
| California Army National Guard - FMS #19 | 27 | $0 | Oct 26, 2022 |
| California Polytechnic State University, San Luis Obispo | 2 | $18,185 | Aug 31, 2021 |
| Camco Pacific Construction Company, Inc. | 7 | $8,780 | Mar 10, 2016 |
| Canaday Construction | 6 | $12,780 | Aug 20, 2019 |
| Cardinale Protective Services, Inc. | 4 | $785 | Jan 23, 2015 |
| Case Pacific Company | 9 | $1,110 | Sep 24, 2024 |
| Central Coast Brewing, Inc. | 6 | $890 | Dec 13, 2022 |
| CL Martin Construction | 3 | $3,620 | Jun 15, 2016 |
| CNW Construction, Inc. | 1 | $1,000 | Aug 4, 2017 |
| County of San Luis Obispo, Public Works | 3 | $1,305 | Oct 21, 2025 |
| Covelop, Inc. | 2 | $695 | Jul 23, 2020 |
| Crystal Springs Water | 15 | $12,055 | May 2, 2017 |
| Dan's Landscaping Company, Inc. | 1 | $335 | Jul 15, 2019 |
| Don Kimmel Hotel Construction Management | 6 | $5,765 | Oct 4, 2017 |
| Dream Home Landscaping | 4 | $1,065 | Apr 13, 2020 |
| Ernie Ball, Inc. | 2 | $18,000 | Feb 22, 2023 |
| Gambril Development Inc | 6 | $6,360 | Nov 20, 2025 |
| Gary Foster | 5 | $2,795 | Jun 21, 2023 |
| Gary Foster, Sole Proprietorship | 1 | $375 | Feb 24, 2026 |
| Goodwill Central Coast | 2 | $1,030 | Nov 3, 2025 |
| Heritage Construction, Concrete & Masonry, Inc. | 6 | $2,825 | Mar 23, 2022 |
| It's All Good Junk Removal & Project Support | 3 | $1,048 | May 11, 2018 |
| J.W. Design & Construction, Inc. | 9 | $2,580 | Mar 11, 2020 |
| JTS, Inc. | 6 | $14,510 | Jun 12, 2025 |
| Kirk Construction | 6 | $3,345 | Feb 27, 2020 |
| LDM Plumbing & Mechanical, Inc. | 2 | $2,110 | May 16, 2024 |
| Luxurious Living Remodelers | 6 | $8,092 | Oct 25, 2018 |
| LW Construction, Inc. | 3 | $4,140 | Apr 13, 2020 |
| Marvin & Son Construction LLC | 4 | $5,285 | Jul 31, 2019 |
| Megan's Organic Market | 2 | $685 | Sep 11, 2020 |
| Michael Dean Morain | 1 | $225 | May 16, 2024 |
| National Reso-Phonic Guitars, Inc. | 2 | $275 | Oct 20, 2015 |
| New Era Landscape, Inc. | 6 | $1,050 | Nov 15, 2022 |
| P.C.J.L., Inc. | 3 | $805 | Jan 25, 2016 |
| Pacific Agricuture Research Corp. | 1 | $410 | Sep 29, 2020 |
| Pacific Coast Farming | 3 | $1,400 | Jul 31, 2026 |
| Pacific Vineyard Company | 7 | $2,190 | Aug 10, 2018 |
| Pacifica Hotel Company | 9 | $9,770 | Jul 2, 2024 |
| Patio Pacific, Inc. | 3 | $920 | Dec 19, 2017 |
| Piero Pete Curzi, Sole Ownership | 1 | $400 | Nov 20, 2025 |
| Really Right Stuff, LLC | 2 | $275 | Mar 3, 2016 |
| Red Alert Plumbing, Inc. | 1 | $110 | Jul 19, 2016 |
| Rescare Residential Services | 1 | $420 | Aug 15, 2019 |
| Richard W. Lewis Farms | 2 | $700 | Oct 3, 2025 |
| Robbins Reed Builders Inc. | 1 | $685 | May 14, 2020 |
| Rspaul Company, Inc. | 1 | $130 | Nov 22, 2024 |
| S R G Construction | 6 | $2,170 | Aug 30, 2018 |
| San Luis Ambulance Service, Inc. | 3 | $10,200 | Nov 3, 2021 |
| San Luis Auto Salvage | 11 | $7,115 | Nov 20, 2017 |
| San Luis Obispo County Community College District, Cuesta College | 1 | $185 | Mar 12, 2018 |
| San Luis Obispo Sportsmen's Association Inc. | 4 | $680 | Dec 3, 2021 |
| Smart72, Inc. | 1 | $685 | Oct 9, 2020 |
| Snyder and Sons Landscapes, Inc. | 2 | $270 | Oct 19, 2022 |
| Specialty Construction, Inc | 1 | $3,000 | May 10, 2022 |
| Straight Down Enterprises, Inc. | 3 | $670 | Apr 19, 2022 |
| Sun Day Carwash Inc. | 5 | $22,335 | Feb 7, 2024 |
| Tenet California, Inc. dba Sierra Vista Regional Medical Center | 2 | $560 | Jun 24, 2020 |
| The Duncan Group | 1 | $5,000 | Jan 3, 2023 |
| Tricamo Construction, Inc. | 3 | $17,600 | Dec 28, 2021 |
| Vitco Meats | 9 | $13,385 | Jul 22, 2015 |
| Westerner Products of Yuma, Inc. | 2 | $6,320 | Aug 16, 2019 |
| ZG Plastering LLC | 5 | $6,850 | May 14, 2020 |