| COChesapeake Optical Lab | Baltimore | MD | Miscellaneous Manufacturing339115 | — | ◇ UNVERIFIED |
| CBClendenin Brothers | Baltimore | MD | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| EAEastalco Aluminum Company | Baltimore | MD | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| PBPike Baltimore Terminals LLC - Baltimore Terminal | Baltimore | MD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PCPoly-seal CORP | Baltimore | MD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SGS & G Concrete Company, Llc- Grantley Ave. Plant | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ADAbbey Drum CO | Baltimore | MD | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| ALAerosol Liquid Packaging | Baltimore | MD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| APAlmag Plating CORP. | Baltimore | MD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| APAmerican Plating Service INC | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ANApplied Nanostructured Solutions, LLC. | Baltimore | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| AUAtotech USA | Baltimore | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ASAuto-chlor Systems of Baltimore | Baltimore | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ARAutomatic Rolls of Baltimore | Baltimore | MD | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BQBaltimore Quality Assurance | Baltimore | MD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| BTBaltimore Transflo Terminal- Csx Transportatiion | Baltimore | MD | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| BEBetter Engineering Manufactur | Baltimore | MD | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| BIBlind Industries and Services of Md | Baltimore | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CCCaitec CORP. | Baltimore | MD | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| COCentral Oil Asphalt | Baltimore | MD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CIChc Industries Cleaners Hanger Company | Baltimore | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CPContinental Plastic Containers | Baltimore | MD | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| CBCrispy Bagel Company | Baltimore | MD | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CFCrown Food Packaging, USA | Baltimore | MD | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| DWD & W Rebuilders | Baltimore | MD | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
 Eastern Plating CO. | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EIEisai, INC | Baltimore | MD | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EIEisai, INC. | Baltimore | MD | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EAElf Atochem North America, INC | Baltimore | MD | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| FBFurst Brothers Company | Baltimore | MD | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| GMGeneral Motors Truck & Bus Group | Baltimore | MD | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| GSGeo Specialty Chemicals | Baltimore | MD | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| HEHalethorpe Extrusions Incorporated | Baltimore | MD | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| IPInsl-x Products CORP. | Baltimore | MD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| IIIntralytix INC | Baltimore | MD | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| KPKaufman Products INC. | Baltimore | MD | Food Manufacturing311942 | — | ◇ UNVERIFIED |
 Kaydon Ring & Seal INC | Baltimore | MD | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| KMKinder Morgan Baltimore Transload Terminal | Baltimore | MD | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| LCLebanon Chemical 50 | Baltimore | MD | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| LBLegend Brands | Baltimore | MD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| LILocke Insulators INC | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| MRMaryland Recycling | Baltimore | MD | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| MCMpa - Cox Creek | Baltimore | MD | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| MNMpa North Locust Point Marine Terminal | Baltimore | MD | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| MLMpi Labels of Baltimore, INC | Baltimore | MD | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| NGNational Graphics | Baltimore | MD | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| OMOpta Minerals | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PPPavsner Press INC | Baltimore | MD | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| PCPemco CORP - Yard 56 | Baltimore | MD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PFP. Flanigan and Sons, INC - Annapolis Rd | Baltimore | MD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
