| 24M Technologies, Inc. | 2 | $8,511 | Nov 25, 2025 |
| 3D Siding, Inc. | 2 | $7,806 | Mar 3, 2025 |
| 625 Massachusetts Tenant LLC | 2 | $8,200 | Apr 10, 2018 |
| A&R Solutions Inc | 4 | $5,363 | Jan 18, 2025 |
| Alfa Nova Construction Inc. | 1 | $4,688 | Jan 6, 2023 |
| All Type Construction, Inc. | 5 | $14,208 | Jan 9, 2019 |
| Amx Enterprise LLC. | 1 | $4,965 | Apr 3, 2026 |
| Anthony C. Scolaro & Sons, Inc. | 10 | $19,330 | Mar 27, 2025 |
| Arvydas Motiecius | 1 | $2,660 | Sep 14, 2017 |
| Atlantic Millwrights, Inc. | 11 | $7,035 | Mar 21, 2023 |
| Aurora Flight Sciences Corporation | 3 | $4,500 | Jul 23, 2019 |
| Botti Company, Inc. | 2 | $7,100 | Jun 25, 2020 |
| Boyd Corporation, Inc. | 7 | $26,600 | Oct 26, 2023 |
| C.I.D. Construction, Inc. | 7 | $1,000 | Jun 12, 2024 |
| Callahan Brothers Management, LLC. | 1 | $1,500 | May 20, 2015 |
| Cam's Demo & Disposal, Inc. | 1 | $1,800 | Sep 11, 2015 |
| Cambridge Athletic Club | 1 | $4,000 | Aug 15, 2024 |
| Cambridge Brands, Inc., a Subsidiary of Tootsie Roll Industries, Inc. | 6 | $27,000 | Aug 12, 2021 |
| Cambridge Department of Public Works | 4 | $0 | Aug 28, 2026 |
| Cambridge Housing Authority | 4 | $0 | Sep 8, 2026 |
| Cambridge Public Schools | 7 | $0 | May 28, 2026 |
| Cenaxo, LLC | 1 | $2,900 | Apr 27, 2022 |
| Chang Shing Tofu, Inc | 2 | $6,365 | Mar 26, 2019 |
| CHM Welding, LLC | 10 | $3,660 | Jan 22, 2015 |
| Clover Fast Food Inc. | 3 | $9,000 | Oct 28, 2021 |
| Coastal Restoration and Development Corp. | 9 | $9,736 | Sep 26, 2019 |
| Columbia Contracting Corporation | 7 | $18,180 | Jan 21, 2016 |
| Communications Test Design, Inc. | 1 | $16,131 | Nov 7, 2023 |
| Courtyard Dental | 1 | $237 | Jan 13, 2025 |
| Daddy Construction | 1 | $1,900 | Dec 14, 2016 |
| Drumhirk Company, Inc. | 1 | $1,591 | Aug 14, 2019 |
| Ebr Construction Corp | 5 | $15,322 | Dec 19, 2024 |
| Eckel Industries, Inc. | 27 | $11,690 | Jul 14, 2025 |
| Elite Metal Framing & Construction, Inc. | 1 | $4,688 | Jan 6, 2023 |
| Evelio Lemus | 3 | $4,839 | Apr 3, 2024 |
| Felipe's Taqueria | 2 | $3,800 | Jun 8, 2021 |
| Foster Power Washing Service | 6 | $11,101 | Apr 3, 2026 |
| Fusion Optix, Inc. | 4 | $8,000 | Mar 10, 2025 |
| G & O Construction Contractors Inc | 2 | $4,774 | Jun 17, 2019 |
| G S Sayago Company | 3 | $5,000 | May 14, 2024 |
| Georgetown Iron Works, Inc | 11 | $12,407 | Aug 30, 2016 |
| Hamilton Construction, LLC | 5 | $7,260 | Aug 18, 2021 |
| J.R. & Sons Construction, Inc. | 2 | $8,738 | Aug 10, 2021 |
| Kci Corp. | 3 | $6,500 | Dec 31, 2024 |
| Kell Construction, Corp. | 2 | $3,747 | Sep 14, 2023 |
| LBR Property Services LLC | 3 | $0 | Mar 3, 2021 |
| Lewis SM Construction, Inc. | 1 | $4,096 | Nov 18, 2020 |
| LMC Industrial Contractors, Inc. | 1 | $1,000 | Sep 15, 2022 |
| Majestic Remodeling Corp | 7 | $32,816 | Jan 17, 2023 |
| Massachusetts Department of Conservation and Recreation | 19 | $0 | Sep 28, 2026 |
| Massachusetts Materials Technologies, LLC. | 2 | $1,800 | Sep 14, 2016 |
| Mastrangelo & Sons Roofing, LLC | 6 | $11,118 | Jun 25, 2021 |
| Mastrangelo and Sons, LLC | 4 | $6,160 | Jan 15, 2015 |
| Matos Construction Company Inc. | 2 | $9,930 | Oct 11, 2024 |
| Matthew Fischer Custom Builder | 1 | $2,699 | Feb 18, 2022 |
| McDonald Electric Corporation | 1 | $14,895 | Jul 17, 2025 |
| Michael Thielbar | 1 | $2,800 | May 25, 2016 |
| Miranda's Construction Inc | 5 | $7,740 | May 7, 2018 |
| MJR Management, Inc. | 2 | $4,000 | Mar 7, 2016 |
| MLS Sheet Metal LLC | 1 | $5,000 | Jul 28, 2021 |
| Morning Star Painting Inc. | 4 | $1,600 | Oct 28, 2015 |
| Mount Auburn Hospital | 4 | $14,000 | Apr 21, 2015 |
| National Drywall, LLC | 1 | $3,000 | Oct 2, 2019 |
| Nauset Construction Corporation | 6 | $16,551 | Oct 1, 2024 |
| Neon Therapeutics, Inc. | 2 | $12,934 | Jun 6, 2018 |
| Newport Construction Corporation | 10 | $41,544 | Sep 1, 2026 |
| Omni Environmental, LLC | 2 | $8,280 | May 31, 2022 |
| P&R Partners Construction, Inc. | 8 | $5,100 | Oct 4, 2016 |
| Patriot Scaffolding, LLC | 3 | $3,000 | Aug 26, 2020 |
| Pidc Construction, LLC | 2 | $4,641 | Jan 25, 2023 |
| Pine Cone Construction, Inc | 16 | $13,794 | Jan 19, 2017 |
| Portland Stone Ware Co. | 12 | $13,000 | Sep 30, 2022 |
| R & R Window Contractors, Inc. | 10 | $19,069 | Mar 13, 2025 |
| R a Carlo Inc. | 8 | $11,481 | Oct 19, 2020 |
| R-Value General Contracting, LLC | 2 | $1,702 | May 8, 2026 |
| Resource Options Inc. | 2 | $12,602 | Aug 28, 2025 |
| Robert Purdy | 14 | $21,568 | May 25, 2016 |
| Roof Repairs Corp | 6 | $18,769 | Jun 12, 2024 |
| SM Construction | 1 | $4,048 | Aug 5, 2020 |
| Stella Construction & Home Services, LLC | 2 | $2,800 | Feb 26, 2026 |
| Structural Group Inc. | 3 | $37,546 | Nov 1, 2022 |
| The Chappy Corporation | 34 | $5,112 | Feb 11, 2025 |
| The F. A. Bartlett Tree Expert Company | 1 | $5,525 | Apr 4, 2023 |
| Thomas Short | 8 | $10,500 | Mar 29, 2016 |
| TKMT Enterprises LLC | 1 | $2,232 | Dec 13, 2022 |
| United Home Experts, Incorporated | 6 | $8,900 | Jan 12, 2026 |
| Viola Roofing & Contracting | 1 | $2,200 | Sep 24, 2022 |
| Walter Stucco LLC | 1 | $2,716 | Sep 25, 2017 |
| Wave Communications, Inc. | 4 | $25,808 | Nov 7, 2023 |
| We Construction Group Inc | 4 | $6,000 | Sep 5, 2026 |
| White Builders, Inc. | 9 | $4,256 | Aug 10, 2021 |
| Whole Foods Market Group, Inc. | 9 | $12,525 | Sep 15, 2026 |
| Woof, LLC | 2 | $284 | Apr 11, 2017 |
| Young Construction Coporation, Inc. | 4 | $5,500 | May 10, 2019 |