| Corrigan Oil Company | 401214 | 652 | 388 | Interstate |
| Directional Boring Technologies | 787823 | 93 | 68 | Intrastate |
| Poured Brick Walls INC | 1693589 | 57 | 30 | Intrastate |
| Wilson Marine Corp | 1921099 | 50 | 50 | Intrastate |
| Bloom Roofing Systems Incorporated | 332509 | 39 | 31 | Interstate |
| Fmg Concrete Cutting INC | 1669418 | 33 | 23 | Interstate |
| Bam Construction & Development | 4036225 | 30 | 30 | Interstate |
| Fonson Company INC | 2557959 | 29 | 25 | Intrastate |
| Livingston County Concrete | 1699145 | 27 | 27 | Interstate |
| Executive Operations INC | 3461586 | 26 | 26 | Interstate |
| Metro Transport INC | 211967 | 25 | 23 | Intrastate |
| Ostlund A Service Company LLC | 2115192 | 25 | 18 | Interstate |
| Guidobono Concrete INC | 1719705 | 17 | 13 | Intrastate |
| Mrm Construction LLC | 2986027 | 16 | 6 | Intrastate |
| Superior Sanitation | 1805978 | 15 | 4 | Intrastate |
| Advanced Integrated Services INC | 1727310 | 14 | 5 | Interstate |
| Mobile And Modular Homes INC | 1866177 | 14 | 7 | Interstate |
| Fibertec Environmental Services | 1046583 | 13 | 5 | Interstate |
| 3d Design Group | 1765450 | 13 | 9 | Intrastate |
| Wagner Excavating INC | 1703604 | 12 | 11 | Intrastate |
| Mechanical Services LLC | 1754158 | 12 | 12 | Intrastate |
| Bnv Earthmovers LLC | 3577556 | 12 | 12 | Intrastate |
| Brighton Builders Supply | 374372 | 11 | 5 | Intrastate |
| Action Asphalt LLC | 1777150 | 11 | 6 | Intrastate |
| The Green Panel | 2118958 | 11 | 8 | Intrastate |
| H H Barnum Company INC | 1128064 | 10 | 10 | Interstate |
| Technical Environmental Services INC | 3106581 | 10 | 13 | InterstateHazmat |
| Beauchamp Water Treatment Solutions | 3550202 | 10 | 20 | Intrastate |
| Lakeside Service Company | 1728506 | 9 | 11 | Intrastate |
| Accurate Construction Services LLC | 1747168 | 9 | 9 | Intrastate |
| Servicemaster Express Services | 1752411 | 9 | 6 | Intrastate |
| Pardiac Towing & Recovery LLC | 2051297 | 9 | 3 | InterstateHazmat |
| Servicemaster Disaster Services | 1758195 | 8 | 5 | Intrastate |
| Precision Climate Services INC | 2049331 | 8 | 6 | Intrastate |
| Capital Construction Group LLC | 2172621 | 8 | 8 | Intrastate |
| Michigan Landscape Service INC | 3130238 | 8 | 2 | Intrastate |
| Brighton Drilling Company | 1935082 | 7 | 2 | Intrastate |
| Targot Building INC | 2205120 | 7 | 7 | Intrastate |
| The Dumpster Men LLC | 2518983 | 7 | 2 | Intrastate |
| Mbj Equipment Transport INC | 579025 | 6 | 5 | Interstate |
| Package Design & Mfg INC | 618756 | 6 | 7 | Interstate |
| Rhino Seed & Landscape Supply LLC | 874109 | 6 | 8 | Interstate |
| Budget Paving | 1639319 | 6 | 5 | Intrastate |
| Stone Pro LLC | 1645696 | 6 | 3 | Interstate |
| Chris's Tree Service | 1748502 | 6 | 2 | Intrastate |
| Cci Industrial Constructors | 1784799 | 6 | 5 | InterstateHazmat |
| J M & Sons Plumbing CO | 1795202 | 6 | 10 | Intrastate |
| Great Deal Products Landscape Supplies | 3154304 | 6 | 6 | Intrastate |
| Wheeler And Wheeler INC | 1451900 | 5 | 6 | Intrastate |
| Royal-West Roofing & Sheet Metal LLC | 1711641 | 5 | 4 | Intrastate |
| J Needham & Son Plumbing INC | 1737008 | 5 | 5 | Intrastate |
| Bob Myers Excavating INC | 1740039 | 5 | 2 | Intrastate |
| Pro Billiards Pool Table Service And Sales INC | 2196148 | 5 | 5 | Interstate |
| Elegant Landscapes INC | 2302205 | 5 | 5 | Intrastate |
| Sinnott Gering And Schmitt Towers INC | 4495723 | 5 | 15 | Interstate |
| Olaughlin Construction CO | 177253 | 4 | 1 | Intrastate |
| Chem-Bright Industries INC | 272640 | 4 | 4 | Intrastate |
| Green Oak Tire INC | 448934 | 4 | 4 | Intrastate |
| B&p Mason Contractors INC | 1648197 | 4 | 2 | Intrastate |
| Pasquali Construction CO INC | 1709610 | 4 | 1 | Intrastate |
| Gilhard Contracting Incorporated | 1722958 | 4 | 1 | Intrastate |
| Leppek Landscape's | 1749805 | 4 | 2 | Intrastate |
| James Dennis Kenney | 1777846 | 4 | 4 | Intrastate |
| Ciaccios Produce Company LLC | 1791077 | 4 | 5 | Intrastate |
| Seaside Seawalls LLC | 1799064 | 4 | 3 | IntrastateHazmat |
| Aquatic Source | 1853546 | 4 | 4 | IntrastateHazmat |
| Mjm Foundations INC | 1859979 | 4 | 3 | Intrastate |
| Spirit & Sons INC | 1864659 | 4 | 4 | Interstate |
| Bouncers And More LLC | 1896836 | 4 | 5 | Intrastate |
| Morgan Express LLC | 1989789 | 4 | 6 | Interstate |
| Arbor Way Tree Care LLC | 2018168 | 4 | 3 | Intrastate |
| Green Butlers | 2019196 | 4 | 3 | Intrastate |
| Do-It-All | 2413761 | 4 | 2 | Intrastate |
| Grostic Cattle Company LLC | 2428710 | 4 | 1 | Intrastate |
| Ratliff Equipment INC | 2902550 | 4 | 3 | Intrastate |
| Trash Star Environmental Services | 3782837 | 4 | 8 | Intrastate |
| Exclusive Excavating INC | 4064686 | 4 | 2 | Intrastate |
| D2 Contracting LLC | 4163558 | 4 | 8 | Intrastate |
| Stormys Outdoor Services LLC | 4467901 | 4 | 3 | IntrastateHazmat |
| Core Values Construction | 7506200 | 4 | 4 | Interstate |
| Allor Manufacturing INC | 371848 | 3 | 3 | Interstate |
| Lrs Trucking | 384869 | 3 | 1 | Intrastate |
| Bnc Excavating INC | 1654393 | 3 | 2 | Intrastate |
| Hydro Sod | 1658356 | 3 | 1 | Intrastate |
| Landscaping | 1702346 | 3 | 2 | Intrastate |
| Baruzzini Construction Company | 1707777 | 3 | 1 | Intrastate |
| Cmr Enterprises INC | 1723821 | 3 | 1 | Intrastate |
| Eldred & Sons | 1725822 | 3 | 3 | Intrastate |
| Bladerunners Landscaping INC | 1747286 | 3 | 3 | Intrastate |
| Spiegelberg Excavating LLC | 1767485 | 3 | 2 | Intrastate |
| Michigan Gutter Supplies | 1770918 | 3 | 3 | Intrastate |
| Clearwater Property Services INC | 1773419 | 3 | 4 | Intrastate |
| Lawns & Landscaping Contractors LLC | 1780686 | 3 | 2 | Intrastate |
| Agana Lawn And Landscaping INC | 1783576 | 3 | 1 | Intrastate |
| Ci Contracting INC | 1789531 | 3 | 8 | Intrastate |
| Gm Refractories INC | 1789537 | 3 | 8 | Intrastate |
| Richard T Willard INC | 1830502 | 3 | 1 | Intrastate |
| US-Mattress Com | 1837894 | 3 | 5 | Intrastate |
| T & T Property Maintenance INC | 1841433 | 3 | 3 | Intrastate |
| Killian's Landscaping Services LLC | 1854973 | 3 | 3 | Intrastate |