| Xtreme Powerline Construction INC | 1642611 | 411 | 256 | Interstate |
| Spe Group | 981578 | 170 | 35 | Interstate |
| Earl Smith Distributing CO | 1679267 | 35 | 16 | Intrastate |
| All Star Services | 1616066 | 32 | 49 | Intrastate |
| Semco Energy Gas CO | 216930 | 27 | 250 | Intrastate |
| Blue Water Secure Shredding | 2069454 | 27 | 6 | Intrastate |
| Michigan Petroleum Technologies INC | 922709 | 20 | 16 | IntrastateHazmat |
| Freedom Powerlines Partners | 4408879 | 20 | 30 | InterstateHazmat |
| Mortimer Lumber INC | 1733511 | 19 | 10 | Intrastate |
| Marcotte Disposal CO | 1546872 | 17 | 11 | Intrastate |
| S A Torello INC | 1344730 | 16 | 19 | Intrastate |
| Port Huron Building Supply CO | 1743175 | 13 | 12 | Intrastate |
| Ainsworth Electric INC | 1806826 | 12 | 20 | Interstate |
| Execu Ride Limousine Service | 2113529 | 12 | 9 | Intrastate |
| Eoc Of St Clair County | 1712786 | 11 | 12 | Intrastate |
| May Wilbert Vault Corp | 1868607 | 11 | 9 | Intrastate |
| Boddy Construction CO INC | 1711253 | 8 | 12 | Intrastate |
| Preferred Charters | 1821740 | 8 | 15 | Interstate |
| Clean Cut Maintenance LLC | 1871210 | 8 | 4 | Intrastate |
| Forton's Express INC | 841242 | 7 | 7 | Interstate |
| Earl's Battery & Charger Service INC | 1732320 | 7 | 8 | InterstateHazmat |
| Rock -N- Wood Supply Yard INC | 1872077 | 7 | 3 | Intrastate |
| Alta Energy Services Incorporated | 3564406 | 7 | 18 | InterstateHazmat |
| S & S Towing INC | 1296510 | 6 | 6 | Interstate |
| Henry L Meyers Moving And Storage INC | 2357698 | 6 | 4 | Intrastate |
| Dig Doctor Utility Services | 3862178 | 6 | 2 | Intrastate |
| Joe's Transporting Inc. | 9726324 | 6 | 6 | Interstate |
| Blue Water Lift Trucks INC | 287675 | 5 | 5 | Intrastate |
| R&k INC | 574118 | 5 | 4 | Intrastate |
| Marshall E Campbell CO | 1769182 | 5 | 6 | Intrastate |
| Cdw Consulting LLC | 2020328 | 5 | 3 | Intrastate |
| Badder Bus USA Limited | 2634202 | 5 | 5 | Intrastate |
| Techni-Comp Composting Specialist INC | 3277472 | 5 | 5 | Intrastate |
| Niagara Port Services LLC | 4457340 | 5 | 3 | Intrastate |
| Cut-N-Trim Lawn-N-Landscape INC | 1689808 | 4 | 2 | Intrastate |
| Kerr Albert Office Supply INC | 1701764 | 4 | 4 | Intrastate |
| Scotty's Potty's LLC | 1724571 | 4 | 4 | Intrastate |
| Rds Construction INC | 1761515 | 4 | 4 | Intrastate |
| Bens Fine Furniture | 1953599 | 4 | 4 | Intrastate |
| Insulation Plus LLC | 2017687 | 4 | 4 | Intrastate |
| Kitchen And Bath LLC | 2502404 | 4 | 4 | Interstate |
| Cyrus Masonry And Restoration INC | 4379244 | 4 | 6 | Intrastate |
| Awohali Irrevocable Trust | 4479107 | 4 | 1 | Intrastate |
| Black River Manufacturing INC | 287656 | 3 | 2 | Intrastate |
| Ferguson Steel INC | 1053971 | 3 | 1 | Intrastate |
| Seedguy Hydroseeding | 1549844 | 3 | 4 | Intrastate |
| Tri County Vac Services LLC | 1712275 | 3 | 3 | Intrastate |
| Port Huron Welding Supply INC | 1732062 | 3 | 2 | Intrastate |
| Don Fagen And Sons INC | 1741369 | 3 | 1 | Intrastate |
| Burkhardt Excavating | 1744168 | 3 | 3 | Interstate |
| Transcore Enterprise LLC | 1783302 | 3 | 2 | Intrastate |
| Jerry Hall Trucking And Excavating LLC | 1793606 | 3 | 3 | Intrastate |
| Blue Water Glass INC | 1803806 | 3 | 1 | Interstate |
| Fort Gratiot Cabinets & Counters LLC | 1822121 | 3 | 4 | Intrastate |
| Port Huron Hospital | 1822705 | 3 | 8 | Intrastate |
| Certified Seamless Guttering | 1903727 | 3 | 1 | Intrastate |
| Reasonable Roofing And Remodeling INC | 1988050 | 3 | 2 | Intrastate |
| J Brown And Sons | 2149446 | 3 | 3 | Intrastate |
| Smith Meat Packing INC | 2168067 | 3 | 3 | Intrastate |
| Port Huron Auto Glass INC | 2270299 | 3 | 3 | Intrastate |
| Proline Clearance LLC | 2329874 | 3 | 6 | Intrastate |
| Goodwill Industry St Clair County | 2641889 | 3 | 3 | Intrastate |
| T Squared Construction LLC | 3205277 | 3 | 3 | Intrastate |
| Don's Towing & Heavy Haul | 3491290 | 3 | 4 | Intrastate |
| Pride Trucking Network INC | 698985 | 2 | 2 | Interstate |
| Anchor Recycling | 757915 | 2 | 2 | Intrastate |
| Michigan Metal Coatings Company | 828330 | 2 | 2 | Intrastate |
| Murray Underground Systems INC | 1625157 | 2 | 2 | Intrastate |
| Atwater | 1687619 | 2 | 1 | Intrastate |
| Kemp's Outdoor Services INC | 1699164 | 2 | 2 | Intrastate |
| Wiczko Distributing INC | 1704379 | 2 | 2 | Intrastate |
| Ross Pallet Company | 1717662 | 2 | 3 | Intrastate |
| Zimmer Roofing & Construction Ltd | 1741111 | 2 | 10 | Intrastate |
| Rock Shop & Block LLC | 1751084 | 2 | 2 | Intrastate |
| Sterling International Recycling LLC | 1809496 | 2 | 1 | Intrastate |
| Lincoln Granite | 1845718 | 2 | 1 | Intrastate |
| R Janus Supply Company | 1868409 | 2 | 1 | Intrastate |
| I Can Haul It | 1870331 | 2 | 2 | Intrastate |
| John Douglas Kennedy | 1880794 | 2 | 1 | Intrastate |
| White's Auto | 1882947 | 2 | 1 | Intrastate |
| Blue Water Habitat For Humanity INC | 1969432 | 2 | 2 | Intrastate |
| Vincents Heating And Plumbing INC | 1976827 | 2 | 5 | Intrastate |
| All American Heating & Cooling LLC | 2010188 | 2 | 2 | Intrastate |
| Ultra-Lock Paving Stones Ltd | 2020149 | 2 | 2 | Intrastate |
| The Times Herald Company | 2042317 | 2 | 2 | Intrastate |
| Bob Koppel INC General Contractor | 2063360 | 2 | 2 | Intrastate |
| Clubhouse Events | 2133972 | 2 | 2 | Intrastate |
| K And D Lawn Service | 2153201 | 2 | 2 | Intrastate |
| Just In Time Concession | 2318924 | 2 | 1 | Intrastate |
| Tamico Asphalt Maintenance LLC | 2326658 | 2 | 1 | Intrastate |
| Aludyne East Michigan LLC | 2354031 | 2 | 2 | Intrastate |
| Union Properties Construction LLC | 2386563 | 2 | 4 | Intrastate |
| Ricks's Towing | 2490888 | 2 | 1 | Intrastate |
| Port Huron Transfer LLC | 2556141 | 2 | 2 | Intrastate |
| J&r Lawn Service | 2862668 | 2 | 0 | Intrastate |
| Blue Nero INC | 3042812 | 2 | 4 | Intrastate |
| Dedicated Driving School | 3074071 | 2 | 1 | Intrastate |
| Amb Trucking | 3117370 | 2 | 2 | Interstate |
| At Ur Service LLC | 3134088 | 2 | 2 | Intrastate |
| Orange Star Waste | 3149577 | 2 | 1 | Intrastate |