| AJ Proia & Son Asphalt Paving, Inc | 1 | $349 | Sep 29, 2022 |
| Amc Quality Builders, LLC | 3 | $5,000 | May 23, 2017 |
| American Flowform and Machining, LLC | 10 | $18,642 | Aug 11, 2026 |
| American Science & Engineering, Inc. | 17 | $6,838 | Nov 29, 2017 |
| Aotco Metal Finishing, LLC | 22 | $11,450 | Aug 27, 2019 |
| Ascotech Tree Services | 1 | $2,800 | May 20, 2015 |
| Ast Products, Inc | 4 | $1,000 | Aug 5, 2015 |
| Auction Driver Solutions, LLC | 1 | $9,000 | Jul 12, 2017 |
| Baltazar Contractors, Inc. | 35 | $128,240 | Aug 26, 2025 |
| C&K Roofing | 4 | $3,000 | Aug 23, 2017 |
| Cars Transport, Inc. | 6 | $12,000 | May 30, 2017 |
| CHK Vertical | 1 | $500 | Jan 3, 2025 |
| Christian Lima | 4 | $12,288 | Mar 23, 2021 |
| Coldsnap, Corp | 5 | $8,500 | Sep 27, 2024 |
| Columbia Pictures Industries, Inc. | 1 | $5,000 | Sep 10, 2018 |
| Deluca Construction, LLC | 1 | $1,950 | Apr 21, 2026 |
| Demetrio Grasso | 1 | $1,400 | May 26, 2016 |
| DJM Restoration Service LLC | 5 | $13,053 | Nov 9, 2021 |
| DLS Construction, Inc. | 1 | $2,000 | Mar 31, 2015 |
| Eric Fitzgerald | 9 | $28,976 | Aug 10, 2023 |
| Family TG Construction Inc | 3 | $13,053 | Sep 29, 2022 |
| Fulfillment America, Inc. | 7 | $7,556 | Aug 29, 2019 |
| Hector Naranjo | 9 | $8,900 | May 30, 2017 |
| Home Improvements New England, Inc. | 1 | $500 | Dec 20, 2019 |
| Icng Inc | 2 | $7,760 | May 10, 2018 |
| J Tropeano Inc | 25 | $65,950 | Sep 20, 2023 |
| J. M. Coull Inc. | 9 | $3,959 | Apr 12, 2022 |
| JF Drywall LLC | 1 | $349 | Jun 22, 2022 |
| JPFM Construction LLC | 10 | $28,042 | Aug 17, 2021 |
| Lowell Central Electric Co., Inc. | 12 | $14,237 | Sep 20, 2021 |
| Luis Quindi | 20 | $257,920 | Apr 10, 2017 |
| Lynnway Auto Auction Inc. | 19 | $202,200 | May 9, 2018 |
| Mancini Sheet Metal Inc | 12 | $5,109 | Aug 11, 2026 |
| Mar-Con Industries, Inc. | 3 | $1,300 | May 17, 2016 |
| Martel Crane and Tree Service, LLC | 4 | $10,301 | Apr 14, 2025 |
| Michael Kearney | 1 | $2,000 | Nov 25, 2015 |
| Middlesex Sheriff's Office | 11 | $0 | Sep 26, 2025 |
| Nashoba Corporation | 4 | $7,459 | Jun 6, 2022 |
| Nashoba Valley Services, Inc. | 3 | $5,150 | Jan 9, 2019 |
| Oasis General Construction, LLC | 6 | $13,580 | Aug 23, 2017 |
| Pedersen Electrical Services, LLC | 2 | $2,496 | Dec 9, 2016 |
| Preference Construction, Roofing and Home Improvement | 5 | $12,800 | May 19, 2016 |
| R. Belanger Roofing & Wrought Iron | 3 | $2,000 | Oct 17, 2018 |
| Roof Maintenance and Systems, Inc. | 2 | $6,475 | Jun 23, 2023 |
| Royal Construction and Roofing Inc. | 4 | $14,607 | Aug 31, 2021 |
| S.J. Peacock Builders, Inc. | 13 | $14,400 | Apr 3, 2015 |
| Spincraft | 52 | $141,586 | Jun 8, 2016 |
| Stan's Paving, LLC | 1 | $2,000 | Oct 17, 2024 |
| Stephen Salemi | 2 | $6,000 | Mar 27, 2019 |
| T Force Freight | 3 | $19,860 | Mar 20, 2025 |
| T.M. Roofs, Inc. | 3 | $4,800 | Jul 15, 2021 |
| The Durkin Company, Inc. | 2 | $3,000 | Feb 27, 2019 |
| Tim Callery | 1 | $1,980 | Aug 13, 2019 |
| Top Construction | 1 | $349 | Jun 22, 2022 |
| Trueblue | 1 | $12,675 | May 9, 2018 |
| WBS the King of Construction Corp | 7 | $13,000 | Aug 27, 2025 |
| William Harris | 1 | $2,800 | Jul 24, 2015 |