| 3 Rivers Brick Pointing & Cleaning, LLC | 4 | $2,030 | Oct 15, 2020 |
| 446 Painting LLC. | 1 | $2,926 | Apr 28, 2021 |
| 84 Lumber | 25 | $48,456 | Sep 5, 2025 |
| 917 Western LLC | 4 | $1,400 | Jul 3, 2019 |
| A Pelly Fire & Restoration, Inc. | 2 | $7,500 | Oct 13, 2021 |
| A to Z Contracting | 3 | $1,800 | Oct 30, 2018 |
| A to Z Project MGMT LLC | 1 | $0 | May 23, 2025 |
| A Tyler Landscaping | 5 | $5,000 | Feb 10, 2021 |
| A&W Roofing LLC | 5 | $307,284 | May 9, 2017 |
| A. Folino Construction, Inc. | 7 | $18,258 | Jun 18, 2026 |
| A. Martini & Co., Inc. | 19 | $3,605 | Oct 8, 2019 |
| A. Merante Contracting, Inc. | 22 | $65,034 | Dec 10, 2025 |
| A. W. McCay Contracting Company | 57 | $16,720 | Sep 25, 2017 |
| A.A. Scholze & Company, Inc. | 3 | $2,772 | Oct 31, 2018 |
| A1 Concrete Leveling and Foundation Repair | 1 | $0 | Jun 17, 2016 |
| A1 Industrial Painting, Inc. | 7 | $15,210 | Nov 16, 2016 |
| Abate Irwin, Inc. | 34 | $27,262 | May 12, 2023 |
| Abm | 1 | $7,800 | Mar 12, 2024 |
| Abreez Contracting, LLC | 6 | $4,050 | Jun 9, 2023 |
| Abs Building Integrators, LLC | 1 | $4,000 | May 16, 2018 |
| Ace Air Conditioning Inc. | 1 | $0 | Jul 16, 2015 |
| Acme Metals Co. | 22 | $5,715 | Dec 14, 2016 |
| Acme Stamping & Wire Forming Co. | 9 | $4,320 | Jul 31, 2024 |
| Adler Tree Service, Inc. | 4 | $13,680 | Feb 18, 2022 |
| Adoni Martinez | 2 | $1,663 | Oct 29, 2018 |
| Air Systems Mechanical Contracting, Inc. | 3 | $3,400 | Aug 5, 2025 |
| Air Technology Inc. | 1 | $2,672 | Sep 16, 2016 |
| AJ Builders | 1 | $2,411 | Aug 14, 2023 |
| Ajf Mechanical LLC | 1 | $0 | Nov 2, 2023 |
| Ajm Contracting | 3 | $4,000 | Jul 26, 2017 |
| AL Tarr Excavating, Inc | 1 | $1,000 | Oct 6, 2015 |
| Alan Construction LLC | 2 | $10,000 | Jan 18, 2023 |
| Albo LLC | 2 | $1,836 | Dec 16, 2015 |
| Alex Diaz | 1 | $2,842 | Apr 24, 2019 |
| Alex Gredin | 2 | $5,543 | Feb 26, 2018 |
| Alex Restoration & Masonry Repairs | 12 | $13,992 | Oct 5, 2016 |
| Alfried Terra LLC | 2 | $3,042 | Feb 23, 2024 |
| Aliaksei Osipchyk | 3 | $2,445 | May 31, 2017 |
| All Class, LLC | 3 | $1,200 | Feb 4, 2016 |
| All Exteriors Inc. | 5 | $6,800 | Mar 2, 2016 |
| All Seasons Construction, LLC | 4 | $6,242 | Oct 25, 2021 |
| Allan Demko | 2 | $2,500 | Apr 1, 2015 |
| Allegheny City Electric, Inc. | 19 | $11,547 | Mar 31, 2026 |
| Allegheny Construction Group Inc. | 4 | $0 | Feb 13, 2020 |
| Allegheny Crane Rental, Inc. | 1 | $0 | Sep 9, 2021 |
| Allegheny Health Network | 2 | $0 | Apr 12, 2024 |
| Allegheny Roofing & Sheet Metal Co., Inc. | 37 | $17,375 | Jan 19, 2017 |
| Allegheny Warehouse & Distribution, Inc. | 2 | $2,800 | May 17, 2016 |
| Alpha and Omega Inc. | 7 | $5,433 | Jun 29, 2017 |
| Alpha Aromatics Inc | 4 | $21,250 | Jan 31, 2023 |
| Alpha Direct Marketing, Inc. | 2 | $3,673 | Aug 5, 2019 |
| Alpine Electric, LLC | 1 | $3,200 | Jun 9, 2026 |
| Altema General Construction, Inc. | 3 | $6,222 | May 1, 2024 |
| Amado Justo | 7 | $4,200 | Nov 13, 2019 |
| Amanda Yoc | 2 | $8,192 | Sep 24, 2021 |
| Amazon | 1 | $881 | Oct 27, 2026 |
| American Contracting Enterprises, Inc. | 23 | $24,936 | May 13, 2024 |
| American Erection, LLC | 11 | $25,297 | Aug 2, 2024 |
| American Exterior Cleaning Corp. | 15 | $4,300 | Apr 12, 2019 |
| American Home Specialists, Inc. | 8 | $5,292 | Sep 6, 2018 |
| American International Construction, Inc. | 1 | $5,358 | Jun 7, 2023 |
| American Made Liner Systems, Inc. | 3 | $0 | Aug 24, 2023 |
| American Way G & R Construction Inc. | 4 | $8,512 | Apr 1, 2025 |
| Amg Resources | 10 | $23,050 | Aug 22, 2025 |
| Anderson Plumbing & Exc LLC | 2 | $3,031 | Apr 12, 2019 |
| Andrew Bush | 1 | $2,486 | Nov 10, 2022 |
| Animal Friends Inc. | 4 | $3,800 | Mar 31, 2026 |
| Aog, LLC | 1 | $4,900 | Nov 27, 2023 |
| AP Metal Sales, LLC | 2 | $4,839 | Mar 6, 2025 |
| Apolinar Roofing | 7 | $43,741 | Apr 13, 2026 |
| Apple American Group, LLC. | 1 | $0 | Sep 22, 2015 |
| Approved Fire Protection Inc. | 9 | $3,910 | Nov 20, 2019 |
| Arch Masonry & Restoration | 4 | $5,000 | Apr 3, 2024 |
| Arch Masonry, Inc. | 15 | $25,315 | Mar 6, 2026 |
| Arctic Exteriors Inc. | 2 | $1,920 | Mar 2, 2016 |
| Arete Construction Services, LLC | 1 | $1,550 | Jul 29, 2025 |
| Armstrong HVAC-Pennsylvania Inc. | 1 | $3,448 | Aug 8, 2025 |
| Arndt Construction Inc. | 4 | $3,720 | Oct 26, 2018 |
| Arnold's Exteriors LLC | 2 | $3,803 | Jan 31, 2018 |
| Arsenal Scaffold of PA Inc. | 3 | $10,745 | Sep 20, 2018 |
| Atd Home Renovations LLC | 3 | $9,661 | Jan 24, 2020 |
| Atlas Materials Recycling Corporation | 8 | $5,980 | Nov 3, 2015 |
| Augustine Pablo | 4 | $8,987 | Oct 8, 2024 |
| Avory Enterprises Inc. | 2 | $2,240 | Apr 24, 2015 |
| B & Z Plastering, Inc. | 4 | $6,312 | Jan 31, 2018 |
| Baldwin Health Center | 5 | $3,300 | Jun 25, 2019 |
| Barber National Institute Inc. | 3 | $3,203 | Mar 7, 2018 |
| Battist Construction LLC | 8 | $10,992 | Aug 7, 2018 |
| BBC Pittsburgh, LLC | 10 | $750 | Jan 14, 2019 |
| BDL Painting LLC | 3 | $10,773 | May 2, 2022 |
| Bear Construction, Inc. | 32 | $18,373 | Sep 14, 2015 |
| Bearing Service Company of Pennsylvania | 6 | $4,527 | Feb 16, 2018 |
| Bel Air Food, Inc. | 3 | $2,180 | Feb 8, 2017 |
| Best Building Supplies LLC | 10 | $13,800 | Jan 6, 2022 |
| BH Construction & Remodeling LLC | 2 | $4,096 | Aug 6, 2021 |
| Biedenbach Contracting | 3 | $4,048 | Dec 30, 2020 |
| Big Rock Construction LLC | 2 | $2,600 | Sep 9, 2024 |
| Bill Brown Construction | 1 | $1,300 | Apr 18, 2017 |
| Bill Willet | 6 | $4,000 | Nov 7, 2015 |
| Bloom Engineering | 17 | $4,380 | Dec 12, 2024 |
| BMB Construction | 3 | $4,048 | Dec 2, 2020 |
| BMD Construction LLC | 4 | $7,607 | Sep 24, 2021 |
| Boyd Allen | 2 | $2,350 | Sep 6, 2018 |
| Brazen Contracting, LLC | 2 | $2,800 | Dec 4, 2018 |
| Brian Ripley Construction | 4 | $2,850 | Jan 24, 2020 |
| Bridges & Company, Inc. | 53 | $21,004 | Nov 21, 2024 |
| Bridgestone Retail Operations | 4 | $7,482 | Jul 14, 2016 |
| Brothers Pro Roofing LLC | 2 | $6,250 | Jul 19, 2023 |
| Bruin Roofing, Inc. | 14 | $24,749 | Oct 3, 2024 |
| Bulldog Plumbing LLC. | 7 | $9,678 | Oct 12, 2023 |
| Bulletproof Construction LLC | 3 | $4,150 | Feb 23, 2024 |
| Burchick Construction Company Inc. | 30 | $36,542 | Apr 8, 2026 |
| Burkholder Roofing, LLC. | 2 | $8,605 | Oct 1, 2020 |
| Burns and Scalo Roofing Company Inc. | 89 | $76,099 | Mar 13, 2025 |
| Burns-Scalo | 2 | $0 | Jul 15, 2015 |
| Business Pride, LLC | 3 | $8,512 | Jun 20, 2025 |
| Cajota Contracting, LLC | 5 | $3,600 | Sep 6, 2018 |
| Calgon Carbon Corporation | 1 | $4,600 | Oct 25, 2019 |
| Cano Roofing | 2 | $2,000 | Nov 17, 2021 |
| Canterbury International | 4 | $4,065 | Jan 23, 2019 |
| Carcolory Corporation | 9 | $2,100 | Nov 10, 2015 |
| Cardiff Exteriors Plastering | 1 | $0 | Jul 15, 2015 |
| Carey Construction | 4 | $3,710 | Mar 7, 2018 |
| Carlos Cesar Martinez Castellanos | 3 | $7,388 | Oct 16, 2019 |
| Carlos Lima Service LLC | 1 | $3,457 | May 16, 2024 |
| Carlos Stone Works LLC | 3 | $3,108 | Aug 12, 2022 |
| Cartel Demo, LLC | 4 | $2,496 | Jul 16, 2024 |
| Casper Colosimo & Son, Inc. | 36 | $38,075 | May 8, 2019 |
| Cellone Bakery, Inc. | 11 | $23,022 | Oct 23, 2023 |
| Central Monitoring and Dispatch | 10 | $6,100 | Jan 25, 2018 |
| Central Van & Storage | 3 | $3,800 | Jul 25, 2018 |
| Central Window Cleaning | 1 | $6,000 | Sep 14, 2021 |
| Century Steel Erectors, Inc. | 79 | $49,784 | Feb 11, 2026 |
| CGH Carpet & Upholstery Cleaning, Inc. | 5 | $2,966 | Sep 7, 2016 |
| Charles Meckling | 1 | $2,173 | Apr 3, 2017 |
| Charles T. Whatton | 2 | $3,978 | Dec 5, 2019 |
| Charm Builders, Ltd. | 2 | $5,544 | Jun 20, 2025 |
| Choice Granite & Marble LLC | 22 | $10,400 | Oct 2, 2026 |
| Chris Beers Ventures, LLC | 4 | $11,750 | Jan 25, 2023 |
| Chris Frazier | 4 | $5,684 | Aug 8, 2019 |
| Chris Levitt Electric, Inc. | 7 | $6,079 | Oct 3, 2024 |
| Clean Textile Systems, LP | 4 | $9,000 | Oct 29, 2021 |
| Coffey Contracting Company, Inc. | 8 | $8,900 | Oct 30, 2024 |
| Colorworks | 2 | $2,993 | Nov 4, 2016 |
| Comcast Cable Communications Management, LLC | 1 | $7,000 | Feb 21, 2018 |
| Confluence Painting, LLC | 1 | $2,273 | Oct 18, 2019 |
| Conroy Home Solutions LLC | 2 | $2,273 | Aug 9, 2019 |
| Consolidating House LLC | 5 | $9,424 | Feb 13, 2019 |
| Construction Engineering Consultants, Inc. | 8 | $6,800 | Nov 17, 2022 |
| Corcoran Jennison Management LLC | 5 | $4,590 | May 20, 2015 |
| Corizon Health, Inc. | 2 | $17,344 | Jun 26, 2020 |
| Cost Company | 194 | $99,327 | May 30, 2024 |
| Cost Company, L.P. | 7 | $34,000 | Oct 1, 2019 |
| Cost Cutters | 8 | $4,050 | Apr 11, 2017 |
| Costa Contracting, Inc. | 15 | $29,415 | Oct 3, 2024 |
| Creative Enterprises Corporation | 5 | $4,050 | May 31, 2017 |
| Cross Trucking, Inc. | 3 | $0 | Jan 24, 2017 |
| Cuccaro Plumbing, Inc. | 6 | $1,000 | Jul 16, 2015 |
| D Sims Construction LLC | 4 | $5,820 | Sep 6, 2018 |
| D-M Products, Inc. | 3 | $5,150 | Jun 1, 2022 |
| D. Bauer Enterprises, Inc. | 7 | $8,706 | Dec 2, 2020 |
| Dan Wilson | 4 | $2,280 | Apr 29, 2019 |
| Daniel Soto | 2 | $4,800 | Aug 29, 2016 |
| Dave Haddix Construction | 6 | $3,700 | Dec 5, 2019 |
| Dave Pook | 5 | $4,800 | Jun 5, 2018 |
| David Bilicic | 3 | $2,400 | Feb 12, 2020 |
| David Flatwall Systems, LLC. | 1 | $0 | Oct 13, 2023 |
| David Hood Roofing | 1 | $1,200 | Jul 13, 2015 |
| David P. Backo | 2 | $1,908 | May 11, 2017 |
| David Pringle | 3 | $3,540 | Feb 15, 2017 |
| David R. Smith Construction, Inc. | 2 | $4,800 | Jul 2, 2019 |
| Davis Contracting | 3 | $7,519 | Mar 8, 2017 |
| Denes Garcia | 6 | $5,600 | Mar 2, 2016 |
| Depasquali Plumbing, Inc. | 10 | $6,690 | Jun 12, 2017 |
| Diamond Wire Spring Company | 74 | $20,890 | May 1, 2026 |
| Dick Building Company | 1 | $0 | Nov 2, 2023 |
| Disaster Restoration Services | 9 | $13,000 | Jun 25, 2024 |
| Division V Specialties | 2 | $1,000 | Apr 13, 2017 |
| Donley, Inc. | 1 | $2,560 | Oct 21, 2019 |
| Door Guard Inc. | 4 | $3,000 | Mar 9, 2020 |
| Double D Builders LLP | 1 | $0 | Oct 15, 2024 |
| Duquesne Light Company | 52 | $45,280 | Mar 25, 2026 |
| E & S Contractors Inc. | 3 | $2,000 | Feb 26, 2026 |
| E and E Exteriors LLC | 3 | $4,341 | Apr 30, 2026 |
| E&L Contractors Inc. | 9 | $9,766 | Apr 25, 2024 |
| E.M. Management | 3 | $0 | Oct 30, 2024 |
| Easley & Rivers, Inc. | 131 | $53,816 | Aug 2, 2024 |
| East Coast Metal Systems, Inc. | 1 | $6,681 | Aug 23, 2016 |
| East Enders Construction Co LLC | 3 | $1,000 | Feb 21, 2020 |
| Eaton Corporation | 2 | $10,000 | Mar 4, 2026 |
| Eber David Vasquez | 4 | $7,606 | May 11, 2017 |
| EC Masonry, Inc. | 3 | $4,400 | Dec 6, 2019 |
| Ecolab | 1 | $10,000 | Sep 16, 2024 |
| Edgar Construction | 14 | $22,091 | Jul 8, 2016 |
| Edwin Lemus | 3 | $4,096 | Oct 22, 2021 |
| Efficient Roofing LLC | 3 | $3,318 | Mar 13, 2025 |
| EH Home Health of the Mid Atlantic, LLC | 2 | $4,351 | Jul 25, 2022 |
| Elevation Construction and Development LLC | 9 | $3,490 | Apr 12, 2019 |
| Elk Air Conditioning, Inc. | 11 | $6,955 | Mar 6, 2026 |
| Ellis Construction | 26 | $5,035 | Feb 26, 2020 |