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602 manufacturing — heavy employers in Michigan have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $20 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Michigan employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| KAWASAKI ROBOTICS (USA), INC. | Manufacturing — Heavy | Self-funded | 167 | 2025 | Disclosed |
| TOKUSEN HYTECH, INC. | Manufacturing — Heavy | Self-funded | 165 | 2024 | Disclosed |
| MEDIATECHNOLOGIES LLC | Manufacturing — Heavy | Fully insured | 165 | 2025 | Disclosed |
| UTICA ENTERPRISES, INC. | Manufacturing — Heavy | Self-funded | 164 | 2025 | Disclosed |
| CREST MARINE LLC | Manufacturing — Heavy | Fully insured | 163 | 2025 | Disclosed |
| THETFORD, LLC | Manufacturing — Heavy | Self-funded | 163 | 2025 | Disclosed |
| ACEMCO INCORPORATED | Manufacturing — Heavy | Fully insured | 163 | 2024 | Disclosed |
| THI, INC. | Manufacturing — Heavy | Fully insured | 163 | 2025 | Disclosed |
| TSM CORPORATION | Manufacturing — Heavy | Fully insured | 162 | 2024 | Disclosed |
| THE ENSTROM HELICOPTER CORPORATION | Manufacturing — Heavy | Self-funded | 162 | 2025 | Disclosed |
| WARREN SCREW PRODUCTS | Manufacturing — Heavy | Self-funded | 161 | 2024 | Disclosed |
| PARAGON DIE & ENGINEERING COMPANY | Manufacturing — Heavy | Self-funded | 161 | 2024 | Disclosed |
| HUMPHREY PRODUCTS COMPANY | Manufacturing — Heavy | Fully insured | 160 | 2024 | Disclosed |
| CANNON-MUSKEGON CORPORATION | Manufacturing — Heavy | Self-funded | 160 | 2024 | Disclosed |
| PEERLESS STEEL COMPANY | Manufacturing — Heavy | Self-funded | 160 | 2022 | Disclosed |
| ROMAN MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 160 | 2025 | Disclosed |
| ALTERNATE NUMBER FIVE | Manufacturing — Heavy | Self-funded | 160 | 2025 | Disclosed |
| ERVIN INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 159 | 2025 | Disclosed |
| BCS AUTOMOTIVE INTERFACE SOLUTIONS | Manufacturing — Heavy | Self-funded | 159 | 2024 | Disclosed |
| LINEAR MOTION LLC | Manufacturing — Heavy | Self-funded | 157 | 2023 | Disclosed |
| PAUMAC TUBING, LLC | Manufacturing — Heavy | Fully insured | 157 | 2023 | Disclosed |
| METALWORKS, INC. | Manufacturing — Heavy | Self-funded | 156 | 2024 | Disclosed |
| THE COMPLETE COMPANIES | Manufacturing — Heavy | Self-funded | 156 | 2024 | Disclosed |
| AUTODIE, LLC | Manufacturing — Heavy | Self-funded | 154 | 2025 | Disclosed |
| P & A INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 153 | 2025 | Disclosed |
| TRIBAL MANUFACTURING, INC. | Manufacturing — Heavy | Fully insured | 152 | 2024 | Disclosed |
| FOGG FILLER COMPANY | Manufacturing — Heavy | Self-funded | 152 | 2024 | Disclosed |
| MIBA HYDRAMECHANICA CORP. | Manufacturing — Heavy | Fully insured | 152 | 2023 | Disclosed |
| DELTA RESEARCH CORPORATION | Manufacturing — Heavy | Self-funded | 149 | 2024 | Disclosed |
| MISSION DESIGN & AUTOMATION, LLC | Manufacturing — Heavy | Fully insured | 148 | 2025 | Disclosed |
| QUALITY EDGE, INC. | Manufacturing — Heavy | Fully insured | 148 | 2025 | Disclosed |
| SUSPA INCORPORATED | Manufacturing — Heavy | Self-funded | 148 | 2025 | Disclosed |
| PRODUCTION SAW & MACHINE CO. | Manufacturing — Heavy | Fully insured | 148 | 2024 | Disclosed |
| HASTINGS MANUFACTURING COMPANY | Manufacturing — Heavy | Self-funded | 147 | 2024 | Disclosed |
| AMIGO MANAGEMENT COMPANY, INC. | Manufacturing — Heavy | Self-funded | 147 | 2025 | Disclosed |
| AUSCO PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 146 | 2024 | Disclosed |
| CENTURY, LLC | Manufacturing — Heavy | Self-funded | 145 | 2024 | Disclosed |
| YATES INDUSTRIES | Manufacturing — Heavy | Self-funded | 145 | 2025 | Disclosed |
| DOMINION TECHNOLOGIES GROUP, INC. | Manufacturing — Heavy | Self-funded | 143 | 2025 | Disclosed |
| HBPO NORTH AMERICA, INC. | Manufacturing — Heavy | Fully insured | 143 | 2025 | Disclosed |
| LAKEPARK INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 143 | 2025 | Disclosed |
| PRATT INDUSTRIES, LLC | Manufacturing — Heavy | Fully insured | 143 | 2021 | Disclosed |
| FRITZ ENTERPRISES, INC. | Manufacturing — Heavy | Fully insured | 142 | 2024 | Disclosed |
| THE J D RUSSELL COMPANY | Manufacturing — Heavy | Fully insured | 142 | 2025 | Disclosed |
| PROMESS, INC. | Manufacturing — Heavy | Fully insured | 142 | 2024 | Disclosed |
| BOLLINGER MOTORS, INC. | Manufacturing — Heavy | Fully insured | 142 | 2024 | Disclosed |
| KISTLER INSTRUMENT CORPORATION | Manufacturing — Heavy | Self-funded | 141 | 2025 | Disclosed |
| MARSHALL EXCELSIOR COMPANY | Manufacturing — Heavy | Fully insured | 141 | 2024 | Disclosed |
| TECNIQ, INC. | Manufacturing — Heavy | Self-funded | 140 | 2025 | Disclosed |
| GREENE GROUP INDUSTRIES, LLC | Manufacturing — Heavy | Self-funded | 140 | 2025 | Disclosed |
| APOLLO AMERICA, INC. | Manufacturing — Heavy | Self-funded | 140 | 2025 | Disclosed |
| SYSTRAND MANUFACTURING CORPORATION | Manufacturing — Heavy | Fully insured | 140 | 2024 | Disclosed |
| KENONA INDUSTRIES LLC | Manufacturing — Heavy | Fully insured | 140 | 2025 | Disclosed |
| MOTION DYNAMICS CORPORATION | Manufacturing — Heavy | Self-funded | 139 | 2024 | Disclosed |
| C.L. RIECKHOFF COMPANY, INC. | Manufacturing — Heavy | Self-funded | 139 | 2023 | Disclosed |
| C.L. RIECKHOFF COMPANY, INC. | Manufacturing — Heavy | Self-funded | 138 | 2025 | Disclosed |
| ELM PLATING COMPANY | Manufacturing — Heavy | Self-funded | 138 | 2025 | Disclosed |
| BERNAL LLC | Manufacturing — Heavy | Self-funded | 138 | 2023 | Disclosed |
| GRUPO ANTOLIN PRIMERA AUTOMOTIVE SYSTEMS | Manufacturing — Heavy | Self-funded | 137 | 2024 | Disclosed |
| NILES PRECISION COMPANY, INC. | Manufacturing — Heavy | Self-funded | 136 | 2025 | Disclosed |
| CBS BORING & MACHINE, INC. | Manufacturing — Heavy | Fully insured | 136 | 2025 | Disclosed |
| GREENVILLE TOOL AND DIE COMPANY | Manufacturing — Heavy | Self-funded | 135 | 2025 | Disclosed |
| EBW ELECTRONICS | Manufacturing — Heavy | Fully insured | 135 | 2025 | Disclosed |
| IHC, INC. | Manufacturing — Heavy | Self-funded | 134 | 2022 | Disclosed |
| TEKTON, INC. | Manufacturing — Heavy | Fully insured | 134 | 2025 | Disclosed |
| HOUGEN MANUFACTURING CO., INC. | Manufacturing — Heavy | Self-funded | 133 | 2024 | Disclosed |
| GETMAN CORPORATION | Manufacturing — Heavy | Self-funded | 132 | 2025 | Disclosed |
| UNIVERSAL TUBE, INC. | Manufacturing — Heavy | Fully insured | 132 | 2024 | Disclosed |
| ALTRON AUTOMATION GROUP INC. | Manufacturing — Heavy | Fully insured | 132 | 2020 | Disclosed |
| NATIONAL COMPOSITES, LLC | Manufacturing — Heavy | Self-funded | 132 | 2025 | Disclosed |
| IWIS MECHATRONICS, INC. | Manufacturing — Heavy | Fully insured | 131 | 2024 | Disclosed |
| P.J. WALLBANK SPRINGS, INC. | Manufacturing — Heavy | Fully insured | 131 | 2025 | Disclosed |
| CHARDAM GEAR CO. | Manufacturing — Heavy | Self-funded | 131 | 2025 | Disclosed |
| UNIVERSAL TOOL EQUIPMENT AND CONTROLS, INC. | Manufacturing — Heavy | Self-funded | 130 | 2025 | Disclosed |
| LAKEPARK INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 130 | 2023 | Disclosed |
| QUANTUM DIGITAL GROUP, LLC TECTONICS INDUSTRIES, LLC | Manufacturing — Heavy | Fully insured | 130 | 2025 | Disclosed |
| ROBERTS SINTO CORPORATION | Manufacturing — Heavy | Self-funded | 129 | 2025 | Disclosed |
| ARCELORMITTAL TAILORED BLANKS AMERICAS | Manufacturing — Heavy | Self-funded | 128 | 2021 | Disclosed |
| ARGENT INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 128 | 2025 | Disclosed |
| ENGINE POWER COMPONENTS, INC. | Manufacturing — Heavy | Self-funded | 128 | 2025 | Disclosed |
| PROOS MANUFACTURING, LLC | Manufacturing — Heavy | Self-funded | 128 | 2022 | Disclosed |
| ILMOR ENGINEERING, INC. | Manufacturing — Heavy | Fully insured | 127 | 2025 | Disclosed |
| SOMERO ENTERPRISES, INC. | Manufacturing — Heavy | Self-funded | 126 | 2025 | Disclosed |
| ITC INCORPORATED | Manufacturing — Heavy | Self-funded | 126 | 2024 | Disclosed |
| GARR TOOL COMPANY | Manufacturing — Heavy | Fully insured | 125 | 2025 | Disclosed |
| HTI CYBERNETICS INC. | Manufacturing — Heavy | Fully insured | 125 | 2024 | Disclosed |
| ALTRON AUTOMATION GROUP INC. | Manufacturing — Heavy | Fully insured | 125 | 2023 | Disclosed |
| MIDDLEVILLE TOOL AND DIE COMPANY | Manufacturing — Heavy | Self-funded | 123 | 2022 | Disclosed |
| ALBAR INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 123 | 2025 | Disclosed |
| TESTEK INC. | Manufacturing — Heavy | Self-funded | 123 | 2025 | Disclosed |
| BALANCE TECHNOLOGY, INC. | Manufacturing — Heavy | Fully insured | 123 | 2023 | Disclosed |
| MARA TECHNOLOGIES USA | Manufacturing — Heavy | Fully insured | 123 | 2025 | Disclosed |
| GLEASON METROLOGY SYSTEMS (MICHIGAN) CORPORATION | Manufacturing — Heavy | Fully insured | 122 | 2025 | Disclosed |
| FLEETWOOD GROUP, INC. | Manufacturing — Heavy | Self-funded | 119 | 2025 | Disclosed |
| PRECISION WIRE FORMS, INC. | Manufacturing — Heavy | Fully insured | 119 | 2024 | Disclosed |
| RIMA MANUFACTURING COMPANY | Manufacturing — Heavy | Self-funded | 118 | 2025 | Disclosed |
| GRANCO CLARK, INC. | Manufacturing — Heavy | Self-funded | 118 | 2025 | Disclosed |
| MIDDLEVILLE ENGINEERED SOLUTIONS, LLC | Manufacturing — Heavy | Self-funded | 118 | 2025 | Disclosed |
| A&D ENGINEERING, INC. | Manufacturing — Heavy | Fully insured | 118 | 2025 | Disclosed |
| A & D TECHNOLOGY, INC. | Manufacturing — Heavy | Self-funded | 117 | 2024 | Disclosed |
Sourced from Form 5500 filings as submitted to the U.S. Department of Labor. Dataset refreshed October 7, 2026. Plan years are labeled by the year they begin, so a July 2024 – June 2025 plan year is 2024. Filings may lag 12–18 months behind the current plan year.