| Kinsley Materials Kinsley Industrial Kins | 207244 | 705 | 1,706 | InterstateHazmat |
| Ib Abel INC | 916720 | 413 | 490 | InterstateHazmat |
| A & S Services Group LLC | 1880751 | 405 | 406 | Interstate |
| Lamar Adv Tlc Properties Fairway Media | 275822 | 385 | 611 | Interstate |
| Reliance Student Transportation LLC | 2858856 | 344 | 365 | Interstate |
| Wolf Logistics Of Pa LLC | 2888236 | 339 | 351 | Interstate |
| S & H Express INC | 318756 | 237 | 254 | Interstate |
| Stewart & Tate INC | 448571 | 120 | 121 | InterstateHazmat |
| Set LLC | 1194334 | 115 | 116 | InterstateHazmat |
| Cf Transport | 3376094 | 114 | 114 | Interstate |
| L S Lee INC | 151049 | 110 | 52 | Interstate |
| Do It Outdoors Leasing LLC | 2780202 | 84 | 55 | Interstate |
| Heritage Pa Holdings LLC | 4482151 | 72 | 72 | Interstate |
| Premier Solution LLC | 3907327 | 66 | 72 | Interstate |
| Schaedler Yesco Distribution INC | 338918 | 64 | 53 | Interstate |
| Ecore Transport Company LLC | 4405225 | 63 | 57 | Interstate |
| Industrial Service & Installation | 666607 | 52 | 45 | Interstate |
| Wagman Heavy Civil INC | 11532 | 44 | 89 | Interstate |
| York Building Products CO INC | 157944 | 44 | 35 | Interstate |
| Consolidated Scrap Resources INC | 296311 | 39 | 23 | Interstate |
| York Excavating CO LLC | 2327990 | 36 | 43 | InterstateHazmat |
| Crownstone Equipment | 3151066 | 35 | 40 | Interstate |
| Good Time Ice | 329709 | 33 | 14 | Interstate |
| Majestic Midways | 344093 | 33 | 13 | Interstate |
| Mi-Kee-Tro INC | 1310440 | 33 | 16 | Interstate |
| Brewery Products Company | 5651 | 32 | 24 | Intrastate |
| Kinsley Steel INC | 3784029 | 31 | 67 | InterstateHazmat |
| York Concrete Operations LLC | 4527911 | 30 | 36 | Interstate |
| Shiloh Paving & Excavating | 3372643 | 29 | 24 | InterstateHazmat |
| Rutter Bros Dairy INC | 11707 | 28 | 32 | Interstate |
| D E Hartman Trucking INC | 702088 | 27 | 27 | Interstate |
| T L Jackson Construction INC | 943680 | 27 | 24 | Interstate |
| York Concrete LLC | 3125345 | 27 | 19 | Interstate |
| Rbd Transport LLC | 4546701 | 26 | 29 | Interstate |
| Granite Transportation Company | 898834 | 25 | 25 | Interstate |
| Advanced Industrial Services INC | 278554 | 23 | 48 | Interstate |
| Aaron Leasing Company LLC | 2888430 | 21 | 19 | Interstate |
| Reisinger Poultry INC | 11662 | 20 | 15 | Interstate |
| York Transportation Solutions LLC | 926495 | 20 | 34 | Interstate |
| Inch's Landscaping LLC | 2288279 | 20 | 26 | Interstate |
| Ecore Transport CO LLC | 4474794 | 20 | 18 | Interstate |
| Liberty Insulation | 1379579 | 19 | 36 | Interstate |
| Spiritrust Lutheran | 2281242 | 17 | 15 | Interstate |
| Engles And Fahs Incorporated | 3260650 | 16 | 18 | Intrastate |
| Hartman Concrete INC | 3428263 | 16 | 23 | Intrastate |
| Sentry Fire Protection, Inc. | 7467230 | 16 | 2 | Intrastate |
| Intertek | 505591 | 15 | 3 | Interstate |
| Recon Construction Services INC | 859475 | 15 | 8 | Interstate |
| Ycc Trucking LLC | 1746579 | 15 | 13 | Interstate |
| York Railway Company | 1813528 | 15 | 7 | Interstate |
| Trump Lawn & Land Company | 2055078 | 15 | 12 | Intrastate |
| Keystruct Construction LLC | 3396260 | 14 | 5 | InterstateHazmat |
| Edris INC | 275517 | 13 | 12 | InterstateHazmat |
| York Oil Service INC | 495670 | 13 | 4 | IntrastateHazmat |
| York Tree Services Shiloh Landscape And Design Shades Of Green Plant Health Care | 2963008 | 13 | 10 | InterstateHazmat |
| Restuccia Construction Services LLC | 4047431 | 13 | 10 | Intrastate |
| Standard Concrete Products Company INC | 176169 | 12 | 4 | Interstate |
| W W Zeiglers | 2050174 | 12 | 10 | Intrastate |
| York Concrete Company INC | 2424884 | 12 | 4 | Intrastate |
| Browns Glass | 474764 | 11 | 12 | Interstate |
| Pennair | 1688165 | 11 | 13 | Interstate |
| The York Water Company | 2280339 | 11 | 39 | Intrastate |
| Eshbach Mulch Products INC | 3899049 | 11 | 5 | Interstate |
| Gridiron Steel INC | 4001780 | 11 | 11 | Interstate |
| Ssc Concrete LLC | 8554698 | 11 | 6 | Intrastate |
| Codorus Stone & Supply CO INC | 174234 | 10 | 4 | Intrastate |
| Ross Industries INC | 381676 | 10 | 5 | Intrastate |
| Wellspan Health | 411992 | 10 | 23 | Intrastate |
| C J Doudrick Gen Cont | 432676 | 10 | 2 | Intrastate |
| Kottcamp Sheet Metal INC | 741409 | 10 | 3 | Interstate |
| Md Risser Trucking INC | 814390 | 10 | 7 | Interstate |
| York County School Of Technology | 1130469 | 10 | 10 | Intrastate |
| Charlie's Repair Service LLC | 1804087 | 10 | 5 | InterstateHazmat |
| P Dale Leiphart INC | 2793036 | 10 | 10 | Intrastate |
| Reliance Crane & Hoist LLC | 3764819 | 10 | 17 | Intrastate |
| Jeam LLC | 4152077 | 10 | 5 | Interstate |
| Keith A Shearer | 562253 | 9 | 3 | Intrastate |
| Tee To Green Grounds Management CO | 2401245 | 9 | 10 | Intrastate |
| Green Image Property Maintenance LLC | 4018248 | 9 | 3 | Intrastate |
| Colony Packaging & Machine | 252060 | 8 | 5 | Interstate |
| Military & Commercial Fasteners Corp | 362756 | 8 | 10 | Interstate |
| Motor Technology INC | 370028 | 8 | 6 | Interstate |
| Delta Packaging INC | 376576 | 8 | 7 | Interstate |
| O N Minerals Penrock Company LP | 1474014 | 8 | 6 | Intrastate |
| Sweet Arrow And Coffee Break | 2196144 | 8 | 9 | Intrastate |
| Specialty Tree Service LLC | 2392689 | 8 | 9 | Intrastate |
| Feliciano Lawn And Landscape INC | 1382669 | 7 | 10 | Intrastate |
| First Capital Fibers INC | 2044341 | 7 | 5 | Intrastate |
| H & H Castings INC | 2057907 | 7 | 3 | Intrastate |
| O'brien's Fuel & Service LLC | 2294876 | 7 | 5 | InterstateHazmat |
| Christian School Of York | 2559075 | 7 | 4 | Interstate |
| Eller Construction INC | 2582157 | 7 | 2 | Intrastate |
| Jfuels | 2630986 | 7 | 3 | InterstateHazmat |
| Unlimited Towing | 2988601 | 7 | 4 | Intrastate |
| United Weld Services LLC | 3024088 | 7 | 14 | InterstateHazmat |
| J&k Hauling Services LLC | 3342855 | 7 | 4 | IntrastateHazmat |
| Nashla Express Corp | 3414267 | 7 | 7 | Interstate |
| Sentry Fire Protection INC | 3451789 | 7 | 2 | Intrastate |
| St George Trucking LLC | 3705704 | 7 | 6 | Interstate |
| Gogetem Freights INC | 4072754 | 7 | 7 | Interstate |