| 1 | Darling Ingredients Inc.- Linkwood Facility | Linkwood | Food | 9.1M lbs | 4 |
| 2 | Vibrantz Specialty Products LLC | Baltimore | Chemicals | 5.3M lbs | 8 |
| 3 | Aes Warrior Run Inc | Cumberland | Electric Utilities | 2.2M lbs | 23 |
| 4 | Perdue Agribusiness LLC - Salisbury Md | Salisbury | Food | 2.1M lbs | 7 |
| 5 | Grace Davison-Curtis Bay Works | Baltimore | Chemicals | 1.5M lbs | 10 |
| 6 | Xerxes Corp | Williamsport | Plastics and Rubber | 771.6K lbs | 1 |
| 7 | Morgantown Power LLC | Newburg | Electric Utilities | 731.2K lbs | 14 |
| 8 | Verso Luke LLC | Luke | Paper | 634.8K lbs | 25 |
| 9 | Brandon Shores & Wagner Complex | Curtis Bay | Electric Utilities | 560.1K lbs | 27 |
| 10 | U.S. Army Aberdeen Proving Ground | Aberdeen Proving Ground | Other | 288.9K lbs | 3 |
| 11 | U.S. Navy Naval Support Facility Indian Head | Indian Head | Other | 250.5K lbs | 5 |
| 12 | Terumo Medical Corp | Elkton | Miscellaneous Manufacturing | 217.8K lbs | 2 |
| 13 | Plymouth Tube Co | Salisbury | Primary Metals | 180.6K lbs | 6 |
| 14 | Chalk Point Power LLC | Aquasco | Electric Utilities | 165.2K lbs | 11 |
| 15 | Engineered Polymer Solutions Inc. | Williamsport | Chemicals | 152.2K lbs | 12 |
| 16 | The Gill Corporation-Maryland | Edgewood | Fabricated Metals | 134.0K lbs | 3 |
| 17 | Reliance Treated Wood | Federalsburg | Wood Products | 129.2K lbs | 4 |
| 18 | Rust-Oleum Corp in Md | Williamsport | Chemicals | 111.2K lbs | 13 |
| 19 | Heidelberg Materials US Cement LLC | Union Bridge | Nonmetallic Mineral Product | 85.7K lbs | 7 |
| 20 | Southern Galvanizing Co | Baltimore | Fabricated Metals | 83.5K lbs | 2 |
| 21 | American Yeast Corp | Baltimore | Food | 74.6K lbs | 1 |
| 22 | Fil-Tec Inc | Smithsburg | Textiles | 61.0K lbs | 1 |
| 23 | Maryland & Virginia Laurel LLC | Laurel | Food | 52.6K lbs | 2 |
| 24 | Holcim(us) Inc. | Hagerstown | Nonmetallic Mineral Product | 51.5K lbs | 10 |
| 25 | Great Southern Wood - Md Inc. | Hagerstown | Wood Products | 51.4K lbs | 5 |
| 26 | Cytec Engineered Inc | Havre De Grace | Chemicals | 50.5K lbs | 6 |
| 27 | Cloverland Farms Dairy | Baltimore | Food | 47.3K lbs | 4 |
| 28 | Tnemec Co Inc | Baltimore | Chemicals | 46.1K lbs | 13 |
| 29 | Mettiki Coal LLC | Oakland | Coal Mining | 37.8K lbs | 6 |
| 30 | US Naval Air Station Patuxent River | Patuxent River | Other | 37.0K lbs | 1 |
| 31 | Sherwin-Williams Co | Baltimore | Chemicals | 36.0K lbs | 12 |
| 32 | National Security Agency Firing Range | Fort George G Meade | Other | 35.6K lbs | 1 |
| 33 | Northrop Grumman Systems Corp | Linthicum Heights | Computers and Electronic Products | 32.9K lbs | 2 |
| 34 | Northrop Grumman Systems Corp | Linthicum | Computers and Electronic Products | 24.8K lbs | 2 |
| 35 | Culpeper of Fruitland LLC | Eden | Wood Products | 22.7K lbs | 4 |
| 36 | US Dod Nsa Annapolis | Annapolis | Other | 18.7K lbs | 1 |
| 37 | Dap Global Inc | Sparrows Point | Chemicals | 18.1K lbs | 3 |
| 38 | Global Baltimore Terminal | Baltimore | Petroleum Bulk Terminals | 17.6K lbs | 12 |
| 39 | Genon Mid Atlantic LLC Dickerson Generating Station | Dickerson | Electric Utilities | 15.7K lbs | 5 |
| 40 | Tanner Industries Inc | Havre De Grace | Chemical Wholesalers | 14.1K lbs | 1 |
| 41 | Independent Can Co | Belcamp | Fabricated Metals | 14.0K lbs | 7 |
| 42 | Galvco Maryland LLC | Baltimore | Fabricated Metals | 12.2K lbs | 1 |
| 43 | Composite & Metal Products USA Inc DBA Composites USA | North East | Plastics and Rubber | 10.6K lbs | 3 |
| 44 | Precoat Metals | Elkridge | Fabricated Metals | 8.6K lbs | 9 |
| 45 | Mack Trucks Inc | Hagerstown | Transportation Equipment | 8.3K lbs | 6 |
| 46 | Phoenix Color LLC | Hagerstown | Printing | 8.0K lbs | 1 |
| 47 | Perryman Generating Station | Perryman | Electric Utilities | 7.6K lbs | 3 |
| 48 | Citgo Petroleum Corp | Baltimore | Petroleum Bulk Terminals | 7.3K lbs | 12 |
| 49 | Eaton Aerospace | Beltsville | Fabricated Metals | 6.9K lbs | 3 |
| 50 | Maryland & Virginia Milk Producers Cooperative Inc - Land | Hyattsville | Food | 6.1K lbs | 2 |
| 51 | Eastman Specialties Corp | Chestertown | Chemicals | 5.9K lbs | 5 |
| 52 | W L Gore & Associates Inc | Elkton | Chemicals | 5.9K lbs | 2 |
| 53 | Tilley Distribution | Middle River | Chemical Wholesalers | 5.6K lbs | 4 |
| 54 | Fort Meade (usss Range 1) | Fort George G Meade | Other | 5.4K lbs | 1 |
| 55 | U.S. Dhs James J. Rowley Training Center | Laurel | Other | 4.0K lbs | 2 |
| 56 | Oldcastle Precast Inc | Edgewood | Nonmetallic Mineral Product | 3.7K lbs | 2 |
| 57 | Airgas USA LLC | Dundalk | Chemical Wholesalers | 3.4K lbs | 1 |
| 58 | Solvay USA LLC | Baltimore | Chemicals | 3.3K lbs | 6 |
| 59 | Elite Spice Inc. | Hanover | Food | 2.9K lbs | 3 |
| 60 | U.S. Dhs Fletc Cheltenham Md | Cheltenham | Other | 2.9K lbs | 4 |
| 61 | Noxell Corp | Hunt Valley | Chemicals | 2.8K lbs | 1 |
| 62 | Usalco Baltimore Plant LLC | Baltimore | Chemicals | 2.8K lbs | 1 |
| 63 | Elite Spice Inc. | Jessup | Food | 2.6K lbs | 1 |
| 64 | Citrus & Allied Essences Ltd. | Belcamp | Chemicals | 2.5K lbs | 2 |
| 65 | US Dod Usaf Joint Base Andrews | Andrews Air Force Base | Other | 2.5K lbs | 2 |
| 66 | Fort George G Meade (range) | Fort George G Meade | Other | 2.3K lbs | 1 |
| 67 | Valpac Inc. | Federalsburg | Chemicals | 2.1K lbs | 2 |
| 68 | Waldorf Plant | Waldorf | Nonmetallic Mineral Product | 2.1K lbs | 1 |
| 69 | Hi-Tech Color Inc | Odenton | Chemicals | 2.0K lbs | 4 |
| 70 | Cleanedge LLP | Baltimore | Chemicals | 1.6K lbs | 2 |
| 71 | S&g Concrete Edgewood | Edgewood | Nonmetallic Mineral Product | 1.4K lbs | 2 |
| 72 | Upper Marlboro Plant | Upper Marlboro | Nonmetallic Mineral Product | 1.2K lbs | 2 |
| 73 | Textron Systems | Cockeysville | Transportation Equipment | 1.2K lbs | 7 |
| 74 | Perdue Foods LLC - Salisbury Processing Plant | Salisbury | Food | 1.2K lbs | 1 |
| 75 | Kemira Water Solutions Inc | Baltimore | Chemicals | 1.2K lbs | 6 |
| 76 | Sherwin-Williams Co | Beltsville | Chemicals | 1.1K lbs | 4 |
| 77 | Trinity Sterile | Salisbury | Miscellaneous Manufacturing | 1.0K lbs | 1 |
| 78 | Rockville Ready Mix Concrete | Rockville | Nonmetallic Mineral Product | 958 lbs | 3 |
| 79 | Chesapeake Optical Laboratory | Dundalk | Miscellaneous Manufacturing | 910 lbs | 1 |
| 80 | Saft America Inc. | Cockeysville | Electrical Equipment | 909 lbs | 1 |
| 81 | S&g Concrete Grantley Ave. | Baltimore | Nonmetallic Mineral Product | 893 lbs | 2 |
| 82 | Legend Brands Inc. | Baltimore | Chemicals | 812 lbs | 1 |
| 83 | Colonial Metals Inc | Elkton | Chemicals | 808 lbs | 3 |
| 84 | Kaydon Ring & Seal Inc | Baltimore | Transportation Equipment | 762 lbs | 1 |
| 85 | Seat Pleasant Plant | Capitol Heights | Nonmetallic Mineral Product | 760 lbs | 2 |
| 86 | Wm. T. Burnett & Co. | Jessup | Plastics and Rubber | 758 lbs | 2 |
| 87 | Tate Access Floors Inc. | Jessup | Fabricated Metals | 751 lbs | 4 |
| 88 | Gold Bond Building Products - Baltimore | Baltimore | Nonmetallic Mineral Product | 694 lbs | 2 |
| 89 | U.S. Public Health Service National Institutes of Health | Bethesda | Other | 638 lbs | 3 |
| 90 | Black & Decker (us) Inc | Hampstead | Fabricated Metals | 621 lbs | 3 |
| 91 | Clean Harbors of Baltimore Inc. | Baltimore | Hazardous Waste | 606 lbs | 6 |
| 92 | Lafarge Frederick Ready Mix | Frederick | Nonmetallic Mineral Product | 571 lbs | 4 |
| 93 | Kirby Road Ready Mix Concrete | Clinton | Nonmetallic Mineral Product | 545 lbs | 5 |
| 94 | Elite Spice Inc. | Jessup | Food | 515 lbs | 3 |
| 95 | Spartech LLC | Salisbury | Plastics and Rubber | 498 lbs | 2 |
| 96 | Jessup Ready Mix Concrete | Jessup | Nonmetallic Mineral Product | 447 lbs | 2 |
| 97 | Clendenin Brothers Inc | Baltimore | Fabricated Metals | 387 lbs | 3 |
| 98 | Proform Finishing Products - Belcamp | Belcamp | Nonmetallic Mineral Product | 371 lbs | 3 |
| 99 | Bureau of Alcohol Tobacco Firearms & Explosives | Beltsville | Other | 360 lbs | 1 |
| 100 | US Gypsum Co | Baltimore | Nonmetallic Mineral Product | 355 lbs | 4 |
| 101 | Annapolis/bestgate Plant | Annapolis | Nonmetallic Mineral Product | 350 lbs | 1 |
| 102 | US Army Fort Detrick | Fort Detrick | Other | 334 lbs | 3 |
| 103 | Redland Brick Inc Cushwa Plant | Williamsport | Nonmetallic Mineral Product | 290 lbs | 2 |
| 104 | New Dawn Manufacturing Co | Upper Marlboro | Chemicals | 278 lbs | 1 |
| 105 | Safety-Kleen Systems Baltimore (bal) | Baltimore | Hazardous Waste | 272 lbs | 4 |
| 106 | Mw Components - Baltimore | Essex | Fabricated Metals | 260 lbs | 3 |
| 107 | Certainteed Corp | Williamsport | Plastics and Rubber | 260 lbs | 7 |
| 108 | C-Care LLC | Linthicum Heights | Chemicals | 226 lbs | 1 |
| 109 | Undersea Systems | Annapolis | Computers and Electronic Products | 167 lbs | 1 |
| 110 | General Motors Baltimore Operations | White Marsh | Transportation Equipment | 80 lbs | 2 |
| 111 | Beynon Sports Surfaces | Hunt Valley | Plastics and Rubber | 60 lbs | 3 |
| 112 | Flavor & Fragrance Specialties | Essex | Food | 47 lbs | 1 |
| 113 | Wabtec Railway Electronics | Germantown | Transportation Equipment | 41 lbs | 2 |
| 114 | Onguard Industries | Havre De Grace | Leather | 40 lbs | 2 |
| 115 | Bitumar USA Inc | Curtis Bay | Petroleum | 18 lbs | 2 |
| 116 | Adell Plastics | Halethorpe | Chemicals | 15 lbs | 1 |
| 117 | Vienna Generating Station | Vienna | Electric Utilities | 12 lbs | 2 |
| 118 | W.l. Gore & Associates Inc - Lovett I | Elkton | Plastics and Rubber | 10 lbs | 1 |
| 119 | Pike Baltimore Terminal LLC | Baltimore | Petroleum Bulk Terminals | 10 lbs | 2 |
| 120 | Iko Northeast Inc. | Hagerstown | Plastics and Rubber | 9 lbs | 1 |
| 121 | Building Materials Manufacturing LLC | Baltimore | Petroleum | 7 lbs | 4 |
| 122 | Vulcan-Hart a Div of Itw Food Equipment Group LLC | Baltimore | Machinery | 7 lbs | 1 |
| 123 | Holcim (us) - Sparrows Point | Sparrows Point | Nonmetallic Mineral Product | 6 lbs | 1 |
| 124 | Eastalco Aluminum Co Pier | Baltimore | Other | 6 lbs | 2 |
| 125 | Quikrete - Perryville Md Plant | Perryville | Nonmetallic Mineral Product | 5 lbs | 1 |
| 126 | Bladensburg Ready Mix Concrete Facility | Hyattsville | Nonmetallic Mineral Product | 4 lbs | 5 |
| 127 | Usss Range (fort Meade) | Fort George G Meade | Other | 3 lbs | 1 |
| 128 | Lafarge Mid Atlantic Jessup Rmx | Jessup | Nonmetallic Mineral Product | 1 lbs | 3 |
| 129 | Beltsville Ready Mix Concrete | Beltsville | Nonmetallic Mineral Product | 1 lbs | 3 |
| 130 | Lafarge Mid Atlantic LLC -Rockville East Concrete | Rockville | Nonmetallic Mineral Product | 1 lbs | 3 |
| 131 | Concrete Pipe & Precast LLC - Jessup Plant | Jessup | Nonmetallic Mineral Product | 1 lbs | 1 |
| 132 | Elite Comfort Solutions - Havre de Grace | Havre De Grace | Plastics and Rubber | 1 lbs | 2 |
| 133 | Wenger Feeds Llc-Massey (f/k/a Wenger Feed Mill Inc) | Massey | Food | 1 lbs | 2 |
| 134 | Oldcastle Apg Mid-Atlantic White Marsh Md | White Marsh | Nonmetallic Mineral Product | 1 lbs | 3 |
| 135 | Maryland Paving Rosedale LLC | Rosedale | Petroleum | 0 lbs | 2 |
| 136 | Oldcastle Apg Mid-Atlantic Crofton Md | Odenton | Nonmetallic Mineral Product | 0 lbs | 3 |
| 137 | Maryland Paving Inc | Cockeysville | Petroleum | 0 lbs | 2 |
| 138 | Maryland Paving Inc | Aberdeen | Petroleum | 0 lbs | 2 |
| 139 | Schuster Concrete Ready Mix Llc-Monument St | Baltimore | Nonmetallic Mineral Product | 0 lbs | 4 |
| 140 | Schuster Concrete Ready Mix Llc-Crondall Ln | Owings Mills | Nonmetallic Mineral Product | 0 lbs | 5 |
| 141 | Schuster Concrete Ready Mix Llc-Southlawn Ln | Rockville | Nonmetallic Mineral Product | 0 lbs | 4 |
| 142 | Schuster Concrete Ready Mix Llc-Guilford Rd | Jessup | Nonmetallic Mineral Product | 0 lbs | 5 |
| 143 | S&g Concrete Brooklyn Plant | Baltimore | Nonmetallic Mineral Product | 0 lbs | 2 |
| 144 | Quikrete - Hagerstown Md Plant | Hagerstown | Nonmetallic Mineral Product | 0 lbs | 1 |
| 145 | Rinker Materials Hydro Conduit | Frederick | Nonmetallic Mineral Product | 0 lbs | 1 |
| 146 | Schuster Concrete Ready Mix Llc-Van Dusen Rd | Laurel | Nonmetallic Mineral Product | 0 lbs | 4 |
| 147 | Schuster Concrete Ready Mix Llc-South St | Frederick | Nonmetallic Mineral Product | 0 lbs | 4 |
| 148 | Schuster Concrete Ready Mix Llc-Sherman Ave | Hagerstown | Nonmetallic Mineral Product | 0 lbs | 5 |
| 149 | S&g Concrete Odenton | Odenton | Nonmetallic Mineral Product | 0 lbs | 1 |
| 150 | Schuster Concrete Ready Mix Llc-Hobbs Rd | Denton | Nonmetallic Mineral Product | 0 lbs | 3 |
| 151 | Lafarge Joppa Concrete Batch Plant | Joppa | Nonmetallic Mineral Product | 0 lbs | 2 |
| 152 | Maryland Paving Inc | Finksburg | Petroleum | 0 lbs | 2 |
| 153 | Gcp Applied Technologies Inc | Upper Marlboro | Chemical Wholesalers | 0 lbs | 1 |
| 154 | Neutron Products Inc. | Dickerson | Chemicals | 0 lbs | 2 |
| 155 | National Institute of Standards & Technology | Gaithersburg | Other | 0 lbs | 1 |
| 156 | Harford Systems LLC | Aberdeen | Fabricated Metals | 0 lbs | 2 |
| 157 | Tilley Distribution | Belcamp | Chemical Wholesalers | 0 lbs | 1 |
| 158 | Bw Papersystems | Cockeysville | Machinery | 0 lbs | 3 |
| 159 | Wilkins-Rogers Inc | Ellicott City | Food | 0 lbs | 1 |
| 160 | Ppc Lubricants Inc. | Baltimore | Petroleum Bulk Terminals | 0 lbs | 2 |
| 161 | US Lubricants Baltimore | Baltimore | Petroleum | 0 lbs | 1 |
| 162 | Amg Resources Corp | Baltimore | Primary Metals | 0 lbs | 1 |
| 163 | United Oil Inc | Baltimore | Petroleum | 0 lbs | 2 |
| 164 | Maryland Chemical Co Inc | Baltimore | Chemical Wholesalers | 0 lbs | 2 |
| 165 | Halethorpe Extrusions Inc | Halethorpe | Primary Metals | 0 lbs | 1 |
| 166 | Polyseal Corp | Baltimore | Plastics and Rubber | 0 lbs | 1 |
| 167 | Belt Paving Inc | Cumberland | Petroleum | 0 lbs | 1 |
| 168 | Protenergy Natural Foods Inc. | Cambridge | Food | 0 lbs | 2 |
| 169 | Dixon Valve & Coupling Co | Chestertown | Fabricated Metals | 0 lbs | 6 |
| 170 | Amick Farms LLC | Hurlock | Food | 0 lbs | 1 |
| 171 | Queenstown Plant | Queenstown | Nonmetallic Mineral Product | 0 lbs | 2 |
| 172 | McCormick Paint Works Co | Frederick | Chemicals | 0 lbs | 1 |
| 173 | American Computer Development Inc (dba Acdi) | Frederick | Computers and Electronic Products | 0 lbs | 1 |
| 174 | Purina Animal Nutrition LLC - Hagerstown | Hagerstown | Food | 0 lbs | 2 |
| 175 | Conagra Foods Packaged Foods LLC | Hagerstown | Food | 0 lbs | 1 |
| 176 | Kent Nutrition Group Inc | Hagerstown | Food | 0 lbs | 6 |
| 177 | Pavestone - Hagerstown Md Plant | Hagerstown | Nonmetallic Mineral Product | 0 lbs | 1 |
| 178 | Lanco Pennland | Hancock | Food | 0 lbs | 2 |
| 179 | Flowserve Fsg | Taneytown | Machinery | 0 lbs | 3 |
| 180 | Caldwell Manufacturing Co N.a. LLC | Williamsport | Fabricated Metals | 0 lbs | 3 |
| 181 | Long Life Treated Wood Inc | Hebron | Wood Products | 0 lbs | 3 |
| 182 | Mountaire Farms Inc-Princess Anne Feed Mill | Westover | Food | 0 lbs | 5 |
| 183 | Tyson Farms Inc Feed Mill Snow Hill | Snow Hill | Food | 0 lbs | 3 |
| 184 | Smo Bryans Road Plant | Bryans Road | Petroleum Bulk Terminals | 0 lbs | 3 |
| 185 | Smo la Plata Plant | La Plata | Petroleum Bulk Terminals | 0 lbs | 3 |
| 186 | Smo Mechanicsville Plant | Mechanicsville | Petroleum Bulk Terminals | 0 lbs | 3 |
| 187 | Smo Barstow Plant | Prince Frederick | Petroleum Bulk Terminals | 0 lbs | 9 |
| 188 | Smo Clinton Plant | Clinton | Petroleum Bulk Terminals | 0 lbs | 3 |
| 189 | McCormick Paint Works Co | Rockville | Chemicals | 0 lbs | 1 |
| 190 | Griffith Energy Services Inc Edgewater Office | Edgewater | Petroleum Bulk Terminals | 0 lbs | 3 |
| 191 | Smo Glen Burnie Plant | Glen Burnie | Petroleum Bulk Terminals | 0 lbs | 3 |
| 192 | Griffith Energy Services Inc Spring Mill | Westminster | Petroleum Bulk Terminals | 0 lbs | 3 |
| 193 | Griffith Energy Services Inc Bare | Westminster | Petroleum Bulk Terminals | 0 lbs | 9 |
| 194 | Smo Annapolis Plant | Annapolis | Petroleum Bulk Terminals | 0 lbs | 3 |
| 195 | Griffith Energy Services Inc Frederick Bulk Plant | Frederick | Petroleum Bulk Terminals | 0 lbs | 9 |
| 196 | Aphena Pharma Solutions LLC | Easton | Chemicals | 0 lbs | 1 |
| 197 | Dixon Valve & Coupling Co | Chestertown | Fabricated Metals | 0 lbs | 7 |
| 198 | Perdue Foods LLC - Hurlock Hatchery Feedmill & Granary | Hurlock | Food | 0 lbs | 3 |
| 199 | Evapco Inc-Taneytown | Taneytown | Machinery | 0 lbs | 3 |
| 200 | Waugh Chapel Plant | Gambrills | Nonmetallic Mineral Product | 0 lbs | 1 |
| 201 | Fuchs N.a. | Hampstead | Food | 0 lbs | 1 |
| 202 | Oldcastle Lawn & Garden | Frederick | Wood Products | 0 lbs | 2 |
| 203 | Rinker Frederick Pipe | Frederick | Nonmetallic Mineral Product | 0 lbs | 1 |
| 204 | Oldcastle Lawn & Garden | Pittsville | Wood Products | 0 lbs | 2 |
| 205 | Griffith Energy Services - Damascus Fuels Plant | Damascus | Other | 0 lbs | 3 |
| 206 | Noble Oil Services Inc. | Belcamp | Petroleum Bulk Terminals | 0 lbs | 3 |
| 207 | Northrop Grumman Systems Corp. - Troy Hill 4 | Elkridge | Computers and Electronic Products | 0 lbs | 0 |
| 208 | Independent Can Co | Rosedale | Fabricated Metals | 0 lbs | 0 |
| 209 | Saputo Cheese USA Inc | Frederick | Food | 0 lbs | 0 |
| 210 | Glen-Gery Corp - Rocky Ridge Plant | Rocky Ridge | Nonmetallic Mineral Product | 0 lbs | 0 |