| Researched in depth, not ranked (15), continued |
| Mar-Bal, Inc.46 | Custom… | US | Molder with 50 to 1,000 ton presses and a listed ISO 9001:2008; Ohio location not checked. |
| Moore Industries47 | Custom injection… | US | Moore Industries has an NQA ISO certificate and large presses. Sources disagree on its founding year and press… |
| Ohio Precision Molding, Inc.48 | Injection molder… | US | Listing claims ISO 9001:2015, but city and own site are unverified. |
| PharoPLAST (Pharoplast)49 | Cleveland molder… | Cleveland, US | Cleveland molder with design and tooling; ISO 9001 not seen, and Northeast Ohio is already covered. |
| Progressive Molding Technologies50 | Molder that also… | Cleveland, US | Progressive Molding Technologies claims ISO compliance only, and publishes no press or staff data. |
| Superior Plastics, Inc.51 | | US | Superior Plastics has two Ohio plants and a published ISO certificate. Its IATF claim has no certificate behind it, and… |
| Thogus52 | Mid… | Avon Lake, US | Duplicate of Thogus; the Thogus Products entry is already in the deep list. |
| Thogus Products Company53 | | US | Thogus is a certified high-volume molder in Avon Lake. Its press and staff counts differ between sources. |
| World Class Plastics, Inc.54 | Custom injection… | Russells Point | Custom molder in Russells Point with in-house tooling; not screened on its own site. |
| Fit the brief, not researched (18) |
| Akron Porcelain & Plastics Co.46 | Injection molding… | US | No homepage was given. Listing says it molds thermoset and glass-filled materials. Ohio location and ISO 9001 are not… |
| American Engineering Group LLC55 | Injection molded… | Akron, US | Listed as an injection molder in Akron, but no homepage was given, so we could not read its own site or check certificates. |
| Automation Plastics55 | Injection molded… | Aurora, US | Listed as an injection molder in Aurora, but no homepage was given, so we could not read its own site or check… |
| Calico Precision Molding56 | Custom… | US | No homepage given and no search allowed. Listing says custom and unique-application injection molder in an Ohio… |
| Dinesol Plastics, Inc.57 | Injection molded… | US | No homepage was given. Listing says it makes injection molded parts. Ohio location and ISO 9001 are not… |
| Endura Plastics56 | High-volume… | US | Listed in an Ohio directory as a high-volume precision plastic maker with 21 molding machines. No website and no city… |
| Esterle Mold & Machine Co., Inc., Plastics Div.57 | Custom injection… | US | No homepage was given. Listing says it is a custom injection molder with 65 to 3,500 ton presses. Ohio location and… |
| EVCO Plastics56 | Custom injection… | US | No homepage given and no search allowed. Listing says custom injection molder of thermoplastics, design through… |
| Jaco Products Co.46 | Custom… | US | No homepage was given. Listing says it makes custom injection molded thermoplastic parts. Ohio location and… |
| K & B Molded Products, Div. of Kuhns Mold & Tool Co., Inc.58 | Custom plastic… | US | Brief lists no homepage, and we had no search to find one. Listing says it molds plastic parts, but mold-building is its… |
| Miles Products, Inc.48 | Custom plastic… | US | No homepage given and no search allowed. Listing says custom plastic injection molding for medical and other… |
| Molded Devices, Inc57 | Custom molder… | US | No homepage given and no search allowed. Listing says custom molder for prototypes and production tooling, low… |