| GRGranite Rock CO Monterey Branch Br341 | Seaside | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IMInter-city Manufacturing, INC. | Seaside | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| QBQT Bees | Seaside | OR | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| 1B1713 Broadway Ave | Seaside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| CCCentral Coast High (hayes) | Seaside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| CRCoastal Research INC | Seaside | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CGConte's Generator Service | Seaside | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| DLDual Language Academy | Seaside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
 Dunn-edwards Paints #1202 | Seaside | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| GIGearhart Ironwerks INC | Seaside | OR | Furniture and Related Product Manufacturing337124 | — | ◇ UNVERIFIED |
| HLHg Logistics | Seaside | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| ISInternational School of Monterey | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| LALarry A. Thurman Jr. | Seaside | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| MEMarshall Elementary School | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MPMonterey Peninsula School District | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMpusd | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OBOther Brother Beer Co, LLC | Seaside | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| SCSeaside Children's Center | Seaside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SHSeaside High School | Seaside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SAShawn Adams | Seaside | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SASkips Auto Parts and Machine | Seaside | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| SPSpiro Pettas | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
