| Accommodative Construction Services LLC | 6 | $11,349 | Aug 8, 2025 |
| Actco Tool & Manufacturing Co., Inc. | 2 | $0 | Feb 12, 2020 |
| Actco Tool & MFG. Co. | 18 | $13,070 | Apr 17, 2015 |
| Ainsworth Pet Nutrition, LLC, a Division of the JM Smucker Company | 2 | $0 | Feb 21, 2019 |
| Allegheny Tool and Manufacturing Company Inc. | 3 | $2,173 | Jun 14, 2017 |
| Area Tool & Manufacturing, Inc. | 7 | $341 | Jan 27, 2017 |
| Associated Contractors Incorporated | 27 | $9,775 | Sep 9, 2020 |
| B&B Designed Systems, Inc. | 5 | $10,000 | Oct 14, 2020 |
| Belco Tool & MFG., Inc. | 6 | $4,100 | Feb 27, 2025 |
| Bra-Vor Tool and Die Company Inc. | 12 | $2,150 | Dec 14, 2017 |
| BRK Hospitality | 3 | $2,500 | Aug 12, 2021 |
| C & J Industries, Inc. | 5 | $6,592 | Oct 24, 2018 |
| Canto Tool Corp | 5 | $6,033 | Feb 14, 2024 |
| Channellock, Inc. | 73 | $111,609 | Jan 29, 2026 |
| Channellock, Inc. Plant #2 | 4 | $7,400 | May 11, 2023 |
| D & L Construction and Vinyl Fencing | 6 | $5,500 | Aug 11, 2015 |
| D & M Tool, Inc. | 7 | $2,150 | May 9, 2017 |
| Dedeavors Corporation | 3 | $3,939 | Feb 19, 2026 |
| Double 'R' Sharpening | 20 | $28,000 | Mar 13, 2024 |
| Embassy of Park Avenue | 2 | $3,585 | Mar 29, 2023 |
| Ernst Conservation Seeds, Inc. | 8 | $7,040 | Feb 17, 2023 |
| Fostermation, Inc. | 7 | $14,700 | May 8, 2024 |
| Fuller Home Building Inc. | 2 | $9,900 | Nov 30, 2023 |
| Generant Company | 1 | $2,500 | Jun 14, 2016 |
| Grede | 5 | $20,461 | Jan 8, 2025 |
| Horizon Construction Group, Inc. | 2 | $3,595 | Oct 6, 2022 |
| Imperial Carbide, Inc. | 8 | $7,606 | Mar 28, 2018 |
| Independent Physicians Services, LLC | 4 | $2,968 | Mar 1, 2018 |
| Kingsview Enterprises Inc. | 2 | $10,210 | Jan 4, 2019 |
| Kuhn Tool & Die, Co | 1 | $1,700 | Nov 22, 2016 |
| Landfried Paving, Inc. | 3 | $12,600 | Oct 1, 2015 |
| Leech Carbide, Inc. | 33 | $13,389 | Feb 4, 2016 |
| Leech Holdings, LLC | 1 | $5,578 | May 10, 2023 |
| Leech Industries, Inc. | 50 | $17,263 | Mar 12, 2019 |
| Marlan Tool Inc. | 12 | $6,141 | Apr 21, 2017 |
| Meadville Forging Company LP | 72 | $12,174 | May 20, 2024 |
| Meadville New Products, Inc. | 61 | $11,648 | May 23, 2019 |
| Meadville Plating Company, Inc. | 53 | $16,986 | Mar 2, 2020 |
| Meadville Ymca | 2 | $2,583 | Aug 27, 2026 |
| Nutec Tooling Systems, Inc. | 17 | $12,129 | Oct 13, 2017 |
| Penn Weld, Inc. | 15 | $7,600 | Feb 18, 2021 |
| Penn-Ohio Iron Works, LLC | 1 | $1,700 | Mar 22, 2022 |
| Pennco Tool & Die, Inc. | 5 | $1,789 | Feb 3, 2017 |
| Precision Manufacturing Institute | 6 | $2,429 | Oct 16, 2020 |
| Prism Plastics Inc. | 6 | $5,200 | Aug 30, 2017 |
| Progressive Tool & Die, Inc. | 3 | $1,800 | Apr 20, 2016 |
| PTR Tool & Plastics, LLC | 12 | $18,000 | Nov 2, 2023 |
| Quality Tool & Die, Inc. | 3 | $2,852 | Jun 28, 2017 |
| R&D Creations | 5 | $4,600 | Mar 17, 2016 |
| RE Johnson Electric Inc. | 3 | $5,249 | Aug 5, 2025 |
| RHKG Holdings, Inc. | 4 | $4,540 | May 17, 2019 |
| SB Specialty Metals LLC | 9 | $9,610 | Sep 21, 2022 |
| Suburban Precision Mold Co., Inc | 1 | $2,200 | Jun 14, 2017 |
| Summit Behavioral Healthcare | 23 | $24,000 | Mar 19, 2025 |
| The Tapco Tube Company | 15 | $37,702 | Aug 6, 2024 |
| Tops Friendly Markets, LLC | 1 | $4,630 | Jan 25, 2023 |
| Traffic Control & Engineering Co., Inc. | 5 | $14,875 | Jun 21, 2019 |
| U.S. Bronze Foundry and Machine, Inc. | 22 | $19,740 | Jul 18, 2025 |
| Warren Industries, Inc. | 8 | $8,355 | Mar 16, 2023 |