 Mantaline Corporation | Mantua | 20–99 | ● ACTIVE |
| SPSaint-gobain Performance Plastics Corporation | Ravenna | 100–499 | ● ACTIVE |
 Schneller LLC | Kent | 100–499 | ● ACTIVE |
| DCDca Construction Products, LLC | Garrettsville | — | ● ACTIVE |
 Sorbothane, INC | Kent | — | ● ACTIVE |
 The Technology House, LTD | Streetsboro | — | ● ACTIVE |
 The Trexler Rubber Company | Ravenna | — | ● ACTIVE |
| CPCustom Pultrusions INC | Aurora | 20–99 | ◐ LIKELY ACTIVE |
| SUSmithers-oasis U.s.a. (1667040037) | Kent | 20–99 | ◐ LIKELY ACTIVE |
| LFLinpac Filmco INC | Aurora | — | ◇ UNVERIFIED |
| PHParker Hannifin Corp., Parflex Division (1667060121) | Ravenna | — | ◇ UNVERIFIED |
 Blade-tech Industries, INC. | Streetsboro | — | ◐ LIKELY ACTIVE |
| SISpringseal INC. | Ravenna | 20–99 | ◐ LIKELY ACTIVE |
| IIILPEA Industries - OEM/Miller Div. | Aurora | 100–499 | ◐ LIKELY ACTIVE |
| SSSmithers-Oasis Stow St | Kent | 20–99 | ◐ LIKELY ACTIVE |
| LSLamson & Sessions INC Aurora Plant | Aurora | — | ◐ LIKELY ACTIVE |
| ECEaton CORP Aurora | Aurora | — | ◇ UNVERIFIED |
| JRJet Rubber Company | Rootstown | — | ◇ UNVERIFIED |
| KEKent Elastomer Products, INC. | Kent | — | ◇ UNVERIFIED |
| MCMantaline Corporation | Hiram | — | ◇ UNVERIFIED |
| OTOak Technical, INC. | Ravenna | — | ◇ UNVERIFIED |
| PIPolymerics INC | Kent | — | ◇ UNVERIFIED |
| SLSoft-lite LLC | Streetsboro | — | ◇ UNVERIFIED |
| TSThe Step 2 Company, LLC | Streetsboro | — | ◇ UNVERIFIED |
| TSTrelleborg Seals & Profiles Americas | Aurora | — | ◇ UNVERIFIED |
| TWTrelleborg Wheel System Americas INC | Hartville | — | ◇ UNVERIFIED |
| ACAps - Csc | Streetsboro | 20–99 | ◐ LIKELY ACTIVE |
| ASAps- Stc | Streetsboro | 100–499 | ◐ LIKELY ACTIVE |
| CICantex INC. | Fort Worth | 100–499 | ◐ LIKELY ACTIVE |
| DEDiskin Enterprises, LLC | Garrettsville | — | ◐ LIKELY ACTIVE |
| FCFluid Connectors Ravenna | Ravenna | 100–499 | ◐ LIKELY ACTIVE |
| KKent | Kent | 20–99 | ◐ LIKELY ACTIVE |
| MCMantaline Corporation - Hiram | Hiram | 20–99 | ◐ LIKELY ACTIVE |
| PCParker-hannifin CORP | Ravenna | — | ◐ LIKELY ACTIVE |
| PIPolymerics Inc. Kent | Kent | 1–19 | ◐ LIKELY ACTIVE |
| SASealed Air Streetsboro Plastics Operations | Streetsboro | 100–499 | ◐ LIKELY ACTIVE |
| SCSmithers-Oasis Corporate | Kent | 20–99 | ◐ LIKELY ACTIVE |
| The Technology House Headquarters | Streetsboro, OH | 20–99 | ◐ LIKELY ACTIVE |
| WDWindows & Doors - Streetsboro | Streetsboro | 100–499 | ◐ LIKELY ACTIVE |
| ASAbm Services INC. | Ravenna | — | ◇ UNVERIFIED |
| APAurora Plastics INC | Aurora | — | ◇ UNVERIFIED |
| BGBerry Global Dba Cardinal Packaging, INC. | Streetsboro | — | ◇ UNVERIFIED |
 Composite Technologies of America | Aurora | — | ◇ UNVERIFIED |
| DIDuracote Ic Disc Corporation | Ravenna | — | ◇ UNVERIFIED |
| IIIlpea Industries INC. | Aurora | — | ◇ UNVERIFIED |
| MLMco2, LLC | Aurora | — | ◇ UNVERIFIED |
| PEPerformance Elastomers INC. | Ravenna | — | ◇ UNVERIFIED |
| PPPodnar Plastics | Kent | — | ◇ UNVERIFIED |
| RCRez-Tech Corporation | Kent | — | ◇ UNVERIFIED |
| SASealed Air Corporation (1667080055) | Streetsboro | — | ◇ UNVERIFIED |
