| Adcock Transport | 540755 | 85 | 52 | Interstate |
| Kreider Farms | 205063 | 73 | 56 | Interstate |
| Joseph C Graybill INC | 348362 | 59 | 67 | Intrastate |
| Kbhc Transport LLC | 3251002 | 55 | 128 | InterstateHazmat |
| Zeiset Equipment LLC | 2076987 | 45 | 40 | Interstate |
| Sporting Valley Feeds LLC | 1839788 | 31 | 23 | Interstate |
| Garden Spot Electric INC | 2882466 | 30 | 39 | Intrastate |
| Deer Country Farm & Lawn INC | 836632 | 28 | 28 | Interstate |
| Utility Keystone Trailer Sales INC | 1260827 | 27 | 17 | Interstate |
| Giorgio Transport INC | 2206678 | 27 | 27 | Interstate |
| T & D Excavating INC | 2128911 | 23 | 24 | Intrastate |
| Marcos Auto Transport INC | 1794491 | 15 | 15 | InterstateHazmat |
| Old Line Enterprises LLC | 3008984 | 15 | 8 | InterstateHazmat |
| Stable Hollow Construction And Mr Roofing | 3265482 | 15 | 30 | InterstateHazmat |
| Manors Soils Conestoga Land | 482520 | 14 | 14 | Interstate |
| Hummer Turfgrass Systems | 449772 | 13 | 25 | Interstate |
| Arborist Enterprises INC | 2525333 | 13 | 13 | Intrastate |
| Arborist Enterprises Tree Care LLC | 4419405 | 13 | 12 | Intrastate |
| B R Kreider & Son INC | 483366 | 12 | 9 | Interstate |
| J Lester Stauffer INC | 2276444 | 11 | 10 | Intrastate |
| B&p Neal Enterprises INC | 2918806 | 10 | 7 | InterstateHazmat |
| Legacy Electrical Services INC | 3369340 | 10 | 10 | Interstate |
| Seth Energy | 3629101 | 10 | 6 | InterstateHazmat |
| Musser's Bulk Water LLC | 514540 | 9 | 5 | Interstate |
| Kerek D Musser | 1097076 | 9 | 4 | Interstate |
| K & K Youndt Excavating LLC | 2399602 | 9 | 19 | Interstate |
| Amish Country Gazebos LLC | 7022413 | 9 | 8 | Interstate |
| Jlh Transportation INC | 350960 | 8 | 5 | Interstate |
| Hershey Trucking LLC | 2514654 | 8 | 7 | Interstate |
| Flow Mechanical LLC | 3120844 | 8 | 6 | Intrastate |
| Coleman's Custom Floor Services LLC | 4128589 | 8 | 7 | InterstateHazmat |
| Root's Nurseries INC | 542558 | 7 | 7 | Intrastate |
| Prestige Auto Transport LLC | 1197682 | 7 | 7 | InterstateHazmat |
| Mountainside Excavators INC | 1585850 | 7 | 20 | Interstate |
| Martin Rv Rentals | 2131177 | 7 | 9 | Interstate |
| Hess Tent Rental LLC | 2174165 | 7 | 7 | Interstate |
| Tom Hershey Landscaping LLC | 2959685 | 7 | 4 | Intrastate |
| Pine View Lawn Care INC | 3325571 | 7 | 8 | Intrastate |
| Ultraglow Electric | 3619246 | 7 | 6 | Interstate |
| Doncin Transport INC | 1625457 | 6 | 5 | Interstate |
| Hanselman Gardens | 2870588 | 6 | 2 | Intrastate |
| Sporting Hill Concrete INC | 3253239 | 6 | 4 | Intrastate |
| J G Baker INC | 501899 | 5 | 5 | Interstate |
| Rufus Brubaker Refrigeration LLC | 678212 | 5 | 5 | Interstate |
| Pleasant View Communities | 2534975 | 5 | 3 | Intrastate |
| Amish Country Gazebos LLC | 3041416 | 5 | 3 | Interstate |
| Skyview Tractor Repairs LLC | 3081208 | 5 | 4 | Interstate |
| Gebhard & Son INC | 3275607 | 5 | 5 | Intrastate |
| Nolt Farms Transport LLC | 3655218 | 5 | 6 | Interstate |
| Gehman Trucking INC | 493707 | 4 | 4 | Interstate |
| Witmer Automotive Service INC | 568259 | 4 | 4 | Interstate |
| Zurin Trucking LLC | 989619 | 4 | 1 | Interstate |
| Manheim Medical Supply INC | 2109578 | 4 | 4 | Interstate |
| Dennis L Usner | 2130902 | 4 | 1 | Intrastate |
| Wiggins Asphalt Paving And Sealing INC | 2301434 | 4 | 4 | Intrastate |
| Johns Quality Lawn Service INC | 2363158 | 4 | 3 | Intrastate |
| Crossroad Auto Transport LLC | 2586497 | 4 | 4 | InterstateHazmat |
| Automated Ag Solutions LLC | 2826317 | 4 | 5 | Interstate |
| Kreisers Garage LLC | 2867390 | 4 | 4 | Interstate |
| Wolfe Manufactured Set-Up LLC | 2893813 | 4 | 4 | Intrastate |
| Koser Excavating INC | 2982601 | 4 | 3 | Intrastate |
| Mojo Rental | 3287858 | 4 | 2 | Interstate |
| Allegiant Tree Care LLC | 3786666 | 4 | 4 | Intrastate |
| Jons Concrete Plus LLC | 4012995 | 4 | 1 | Interstate |
| Ultra Glow | 4120950 | 4 | 17 | Intrastate |
| Herr & Sacco INC | 276651 | 3 | 2 | Interstate |
| Crane Specialists INC | 607115 | 3 | 16 | InterstateHazmat |
| Garman Grain LLC | 1142607 | 3 | 12 | Interstate |
| Keith Bollinger | 1336678 | 3 | 3 | Intrastate |
| Nolt Transport LLC | 1543248 | 3 | 5 | Interstate |
| Leon Musser | 1553556 | 3 | 1 | Intrastate |
| Harrington Hoists INC | 1690168 | 3 | 26 | Interstate |
| Zeiset Ag LLC | 1810415 | 3 | 3 | Interstate |
| Keystone Concrete Cutting | 1916414 | 3 | 4 | InterstateHazmat |
| Td Paving INC | 2128915 | 3 | 3 | Intrastate |
| Metzler Landscaping LLC | 2148103 | 3 | 1 | Intrastate |
| Farmette Construction LLC | 2165262 | 3 | 2 | Intrastate |
| Haldeman Equipment Company | 2185690 | 3 | 3 | Interstate |
| Fahnestock Excavating INC | 2449699 | 3 | 1 | Intrastate |
| Barry Shearer Welding | 2555229 | 3 | 3 | Intrastate |
| Reelstrong Utility Fleet | 2823147 | 3 | 3 | Interstate |
| Brian Weaver Masonry LLC | 2970147 | 3 | 3 | Intrastate |
| Penryn Builders LLC | 2991107 | 3 | 3 | Intrastate |
| Adam M Snyder Paving Company | 3131278 | 3 | 1 | Intrastate |
| On-Track Excavating LLC | 3284591 | 3 | 4 | IntrastateHazmat |
| Stony Lane Construction LLC | 3310685 | 3 | 3 | Interstate |
| Shope Gardens Construction INC | 3451223 | 3 | 3 | Intrastate |
| John M Hess Auction Service INC | 3494006 | 3 | 5 | Intrastate |
| Kirchner Brothers Lawn Care LLC | 4390117 | 3 | 2 | Intrastate |
| Maibach Energy LLC | 4433480 | 3 | 1 | IntrastateHazmat |
| Zimmermans Construction LLC | 4491260 | 3 | 4 | Intrastate |
| Tower Plumbing & Water Conditioning LLC | 4543115 | 3 | 1 | Intrastate |
| M & T Truck & Automotive Repair LLC | 9858438 | 3 | 4 | IntrastateHazmat |
| J A Winters Trucking | 11588 | 2 | 2 | Interstate |
| G & G Feed & Supply INC | 139404 | 2 | 2 | Intrastate |
| Nolt's Livestock Hauling | 235908 | 2 | 1 | Intrastate |
| Hodecker Transport | 343420 | 2 | 2 | Interstate |
| Peachey Brokerage LLC | 515665 | 2 | 1 | Interstate |
| J & D Auto Recycling INC | 647824 | 2 | 2 | Intrastate |
| David J Nolt | 714736 | 2 | 2 | Interstate |