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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 |
|---|---|---|---|---|---|
| CIGNYS | Manufacturing — Heavy | Self-funded | 115 | 2024 | Disclosed |
| BOPP-BUSCH MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 115 | 2025 | Disclosed |
| ACCURATE GAUGE & MFG. INC. | Manufacturing — Heavy | Self-funded | 115 | 2024 | Disclosed |
| AMERITI MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 115 | 2022 | Disclosed |
| T.A. SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 115 | 2025 | Disclosed |
| BTM COMPANY LLC | Manufacturing — Heavy | Fully insured | 115 | 2025 | Disclosed |
| UNITED MACHINING, INC. | Manufacturing — Heavy | Fully insured | 114 | 2025 | Disclosed |
| HELLER MACHINE TOOLS, L.P. | Manufacturing — Heavy | Self-funded | 110 | 2025 | Disclosed |
| TECHNO-COAT, INC. | Manufacturing — Heavy | Self-funded | 110 | 2024 | Disclosed |
| PRESTIGE STAMPING, INC. | Manufacturing — Heavy | Self-funded | 110 | 2024 | Disclosed |
| BORROUGHS CORP EMPLOYEE BENEFIT PLAN | Manufacturing — Heavy | Fully insured | 109 | 2025 | Disclosed |
| PROGRESSIVE METAL MANUFACTURING | Manufacturing — Heavy | Self-funded | 109 | 2025 | Disclosed |
| DADCO, INC. | Manufacturing — Heavy | Self-funded | 109 | 2021 | Disclosed |
| VENTURA MANUFACTURING | Manufacturing — Heavy | Self-funded | 109 | 2023 | Disclosed |
| SUPREME MACHINED PRODUCTS COMPANY, INC. | Manufacturing — Heavy | Self-funded | 109 | 2025 | Disclosed |
| NAGEL PRECISION, INC. | Manufacturing — Heavy | Fully insured | 108 | 2024 | Disclosed |
| EUCLID INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 108 | 2024 | Disclosed |
| WIRTZ MANUFACTURING COMPANY, INC. | Manufacturing — Heavy | Self-funded | 108 | 2024 | Disclosed |
| GIFFIN, INC | Manufacturing — Heavy | Self-funded | 108 | 2024 | Disclosed |
| AMERITI MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 108 | 2025 | Disclosed |
| WORLD TEK INDUSTRIES | Manufacturing — Heavy | Fully insured | 106 | 2025 | Disclosed |
| AMI INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 106 | 2024 | Disclosed |
| PERCEPTRON, INC. | Manufacturing — Heavy | Self-funded | 106 | 2022 | Disclosed |
| VALIANT INTERNATIONAL, INC. | Manufacturing — Heavy | Fully insured | 105 | 2025 | Disclosed |
| TRIPLE, INC. | Manufacturing — Heavy | Self-funded | 105 | 2025 | Disclosed |
| CHARTER HOUSE HOLDINGS LLC | Manufacturing — Heavy | Fully insured | 104 | 2025 | Disclosed |
| LEGEND MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 104 | 2025 | Disclosed |
| H.D. HUDSON MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 104 | 2021 | Disclosed |
| J.M.S. OF HOLLAND, INC. | Manufacturing — Heavy | Self-funded | 104 | 2025 | Disclosed |
| D&N BENDING CORPORATION | Manufacturing — Heavy | Fully insured | 103 | 2025 | Disclosed |
| EXTRUDED ALUMINUM CORPORATION | Manufacturing — Heavy | Fully insured | 102 | 2024 | Disclosed |
| PRATT INTERMODAL CHASSIS, LLC | Manufacturing — Heavy | Fully insured | 102 | 2025 | Disclosed |
| ANDERSON COOK, INC. | Manufacturing — Heavy | Fully insured | 101 | 2025 | Disclosed |
| GEMINI GROUP | Manufacturing — Heavy | Self-funded | 100 | 2024 | Disclosed |
| CTC ACQUISITION CO. LLC DBA GRAND RAPIDS CONTROLS CO. LLC | Manufacturing — Heavy | Self-funded | 99 | 2025 | Disclosed |
| TF-R INC. | Manufacturing — Heavy | Self-funded | 99 | 2024 | Disclosed |
| INTREPID CONTROL SYSTEMS | Manufacturing — Heavy | Self-funded | 99 | 2025 | Disclosed |
| MARKETING DISPLAYS INC | Manufacturing — Heavy | Fully insured | 98 | 2021 | Disclosed |
| BLEISTAHL NORTH AMERICA | Manufacturing — Heavy | Fully insured | 98 | 2025 | Disclosed |
| SAS GLOBAL CORPORATION | Manufacturing — Heavy | Self-funded | 97 | 2016 | Disclosed |
| MSSC | Manufacturing — Heavy | Self-funded | 96 | 2023 | Disclosed |
| PLASAN NORTH AMERICA | Manufacturing — Heavy | Self-funded | 96 | 2023 | Disclosed |
| DAPCO INDUSTRIES | Manufacturing — Heavy | Fully insured | 96 | 2025 | Disclosed |
| JENSEN BRIDGE & SUPPLY COMPANY | Manufacturing — Heavy | Fully insured | 96 | 2024 | Disclosed |
| INNOTEC CORPORATION | Manufacturing — Heavy | Self-funded | 96 | 2024 | Disclosed |
| THE ARMADA GROUP | Manufacturing — Heavy | Fully insured | 96 | 2022 | Disclosed |
| WEBER AUTOMOTIVE CORPORATION | Manufacturing — Heavy | Self-funded | 96 | 2021 | Disclosed |
| FEDERAL BROACH HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 95 | 2024 | Disclosed |
| FASTCO INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 95 | 2024 | Disclosed |
| GUDEL, INC. | Manufacturing — Heavy | Self-funded | 94 | 2025 | Disclosed |
| SUPREME MACHINED PRODUCTS COMPANY, INC. | Manufacturing — Heavy | Self-funded | 93 | 2022 | Disclosed |
| VCONVERTER CORPORATION | Manufacturing — Heavy | Self-funded | 92 | 2025 | Disclosed |
| BEST METAL PRODUCTS COMPANY | Manufacturing — Heavy | Fully insured | 92 | 2021 | Disclosed |
| ROMEO RIM, INC. | Manufacturing — Heavy | Self-funded | 92 | 2025 | Disclosed |
| BUHLERPRINCE, INC. | Manufacturing — Heavy | Self-funded | 92 | 2025 | Disclosed |
| SALINE LECTRONICS, INC. | Manufacturing — Heavy | Fully insured | 92 | 2023 | Disclosed |
| H & L TOOL COMPANY, INC. | Manufacturing — Heavy | Fully insured | 91 | 2022 | Disclosed |
| FIAMM TECHNOLOGIES, LLC | Manufacturing — Heavy | Self-funded | 91 | 2024 | Disclosed |
| EWELLIX USA LLC | Manufacturing — Heavy | Self-funded | 91 | 2023 | Disclosed |
| NORTH AMERICA FUEL SYSTEMS REMANUFACTURING LLC | Manufacturing — Heavy | Self-funded | 91 | 2024 | Disclosed |
| AUTOMATIC HANDLING INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 90 | 2023 | Disclosed |
| PORTLAND PRODUCTS, INC. | Manufacturing — Heavy | Fully insured | 90 | 2023 | Disclosed |
| LC MANUFACTURING LLC | Manufacturing — Heavy | Fully insured | 89 | 2024 | Disclosed |
| ALTRON AUTOMATION GROUP INC | Manufacturing — Heavy | Fully insured | 89 | 2025 | Disclosed |
| KC JONES PLATING CO. | Manufacturing — Heavy | Fully insured | 88 | 2022 | Disclosed |
| MILTON MANUFACTURING CO., INC. | Manufacturing — Heavy | Self-funded | 88 | 2023 | Disclosed |
| EXTOL INC | Manufacturing — Heavy | Self-funded | 87 | 2025 | Disclosed |
| A123 SYSTEMS, LLC | Manufacturing — Heavy | Self-funded | 86 | 2025 | Disclosed |
| NBHX TRIM USA INC | Manufacturing — Heavy | Self-funded | 86 | 2022 | Disclosed |
| FLANDERS INDUSTRIES, INC | Manufacturing — Heavy | Fully insured | 86 | 2021 | Disclosed |
| ALLIED FINISHING, INC. | Manufacturing — Heavy | Self-funded | 85 | 2025 | Disclosed |
| STEEL TOOL & ENGINEERING | Manufacturing — Heavy | Fully insured | 84 | 2022 | Disclosed |
| KL COMPANIES | Manufacturing — Heavy | Fully insured | 83 | 2023 | Disclosed |
| CRYSTAL EMPLOYMENT SERVICES | Manufacturing — Heavy | Fully insured | 80 | 2024 | Disclosed |
| LOMAR MACHINE & TOOL CO | Manufacturing — Heavy | Fully insured | 80 | 2025 | Disclosed |
| TRITON INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 80 | 2024 | Disclosed |
| COMPLETE PROTOTYPE SERVICE, INC. | Manufacturing — Heavy | Fully insured | 80 | 2025 | Disclosed |
| ANDERSON GLOBAL | Manufacturing — Heavy | Self-funded | 79 | 2022 | Disclosed |
| ORT TOOL & DIE CORPORATION | Manufacturing — Heavy | Self-funded | 78 | 2025 | Disclosed |
| BEKUM AMERICA CORPORATION | Manufacturing — Heavy | Fully insured | 77 | 2024 | Disclosed |
| THE WINDQUEST GROUP | Manufacturing — Heavy | Self-funded | 74 | 2025 | Disclosed |
| STEWART MANUFACTURING, LLC | Manufacturing — Heavy | Self-funded | 73 | 2024 | Disclosed |
| WARREN INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 72 | 2024 | Disclosed |
| CONE DRIVE OPERATIONS, INC. | Manufacturing — Heavy | Self-funded | 71 | 2023 | Disclosed |
| HS, INC. | Manufacturing — Heavy | Self-funded | 69 | 2025 | Disclosed |
| APEX MARINE, INC | Manufacturing — Heavy | Fully insured | 58 | 2023 | Disclosed |
| DETROIT STOKER COMPANY | Manufacturing — Heavy | Self-funded | 57 | 2024 | Disclosed |
| NUVAR, INCORPORATED | Manufacturing — Heavy | Self-funded | 52 | 2024 | Disclosed |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS LOCAL 1392 | Manufacturing — Heavy | Self-funded | 32 | 2024 | Disclosed |
| AIR INTERNATIONAL (US), INC. | Manufacturing — Heavy | Self-funded | 30 | 2024 | Disclosed |
| TRW AUTOMOTIVE US LLC | Manufacturing — Heavy | Self-funded | 24 | 2025 | Disclosed |
| BECKERORTHOPEDIC APPLIANCE COMPANY | Manufacturing — Heavy | Fully insured | 20 | 2022 | Disclosed |
| COPPERCRAFT | Manufacturing — Heavy | Self-funded | 12 | 2025 | Disclosed |
| KS KOLBENSCHMIDT US, INC. | Manufacturing — Heavy | Self-funded | 7 | 2024 | Disclosed |
| AMWAY GLOBAL HOLDINGS, INC. | Manufacturing — Heavy | Fully insured | 4 | 2024 | Disclosed |
| WABCO HOLDINGS INC. | Manufacturing — Heavy | Self-funded | — | 2021 | Disclosed |
| TOWER AUTOMOTIVE HOLDINGS USA, LLC | Manufacturing — Heavy | Self-funded | — | 2021 | Disclosed |
| OAKLAND STAMPING LLC | Manufacturing — Heavy | Self-funded | — | 2021 | Disclosed |
| DUS OPERATING, INC. DBA DURA AUTOMOTIVE | Manufacturing — Heavy | Self-funded | — | 2021 | Disclosed |
| MASTER AUTOMATIC MACHINE COMPANY, INC | Manufacturing — Heavy | Self-funded | — | 2021 | 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.