| CDChurch & Dwight Company, INC. | York | PA | Chemical Manufacturing325411 | 500+ | ● ACTIVE |
Conductive Technologies INC | York | PA | Printing and Related Support Activities323113 | — | ● ACTIVE |
Biotechnique LLC | York | PA | Chemical Manufacturing325412 | — | ● ACTIVE |
| GPGreen Plains York, LLC | York | NE | Chemical Manufacturing325193 | 20-99 | ● ACTIVE |
| NMNorth Metal & Chemical CO | York | PA | Chemical Manufacturing325130 | 1-19 | ◐ LIKELY ACTIVE |
| GPGreen Plains Renewable Energy | York | NE | Chemical Manufacturing325193 | — | ◐ LIKELY ACTIVE |
| WRW R Meadows of Pennsylvania | York | PA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| NINorth Industrial Chemicals INC | York | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ACAmerican Colloid Company - York PA | York | PA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| ESElkem Silicones Advanced Specialties | York | SC | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| WRW R Meadows of Pennsylvania | York | PA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| DUDreumex USA | York | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DUDreumex USA INC | York | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ESElkem Silicones USA CORP (aka Bluestar Silicones USA Corp) | York | SC | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
Apex Water and Process, Inc. - York, PA | York | PA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| VYVisionCorps- York | York | PA | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| YBYork Branch 57 | York | PA | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
Cp Industries | York | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DIDigital Ink Technology | York | SC | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| HPHigh Plains Corporation | York | NE | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| HIHocking International Labs LLC | York | PA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |