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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 |
|---|---|---|---|---|---|
| UACJ AUTOMOTIVE WHITEHALL INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 760 | 2024 | Disclosed |
| USUI INTERNATIONAL CORPORATION | Manufacturing — Heavy | Self-funded | 749 | 2024 | Disclosed |
| SHIPSTON GROUP U.S. INC. | Manufacturing — Heavy | Self-funded | 740 | 2022 | Disclosed |
| DURR SYSTEMS LLC | Manufacturing — Heavy | Self-funded | 733 | 2025 | Disclosed |
| DURAVENT, INC. | Manufacturing — Heavy | Self-funded | 724 | 2025 | Disclosed |
| PRIDGEON & CLAY, INC. | Manufacturing — Heavy | Self-funded | 719 | 2025 | Disclosed |
| MNP CORPORATION | Manufacturing — Heavy | Self-funded | 718 | 2025 | Disclosed |
| EAGLE ALLOY, INC. | Manufacturing — Heavy | Self-funded | 717 | 2024 | Disclosed |
| BISSELL, INC. | Manufacturing — Heavy | Self-funded | 716 | 2025 | Disclosed |
| HELLA CORPORATE CENTER USA, INC. | Manufacturing — Heavy | Self-funded | 715 | 2025 | Disclosed |
| VEONEER US, INC. | Manufacturing — Heavy | Self-funded | 711 | 2023 | Disclosed |
| STONERIDGE, INC. | Manufacturing — Heavy | Self-funded | 707 | 2024 | Disclosed |
| C3 INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 698 | 2025 | Disclosed |
| MICHIGAN AUTOMOTIVE COMPRESSOR INC. | Manufacturing — Heavy | Self-funded | 692 | 2025 | Disclosed |
| KOTOBUKIYA TREVES NORTH AMERICA, INC. | Manufacturing — Heavy | Fully insured | 691 | 2025 | Disclosed |
| A. RAYMOND CORPORATE NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 672 | 2025 | Disclosed |
| JRB PERSONNEL, LLC | Manufacturing — Heavy | Self-funded | 668 | 2024 | Disclosed |
| BURROUGHS, INC. | Manufacturing — Heavy | Self-funded | 663 | 2024 | Disclosed |
| COMAU LLC | Manufacturing — Heavy | Self-funded | 662 | 2025 | Disclosed |
| SAF-HOLLAND, INC. | Manufacturing — Heavy | Self-funded | 653 | 2024 | Disclosed |
| ARTIFLEX MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 646 | 2025 | Disclosed |
| HADLEY PRODUCTS CORPORATION | Manufacturing — Heavy | Fully insured | 640 | 2025 | Disclosed |
| RENK AMERICA LLC | Manufacturing — Heavy | Self-funded | 617 | 2025 | Disclosed |
| AUTOCAM MEDICAL | Manufacturing — Heavy | Self-funded | 613 | 2025 | Disclosed |
| MANUFACTURERS INDUSTRIAL EMPLOYEE ASSOCIATION LTD | Manufacturing — Heavy | Self-funded | 613 | 2024 | Disclosed |
| E&E MANUFACTURING COMPANY, INC. | Manufacturing — Heavy | Self-funded | 610 | 2025 | Disclosed |
| FISHER & COMPANY, INC. | Manufacturing — Heavy | Self-funded | 601 | 2025 | Disclosed |
| ELECTRICAL COMPONENTS INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 584 | 2025 | Disclosed |
| JOYSON SAFETY SYSTEMS ACQUISITION LLC | Manufacturing — Heavy | Self-funded | 575 | 2025 | Disclosed |
| NEAPCO HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 574 | 2025 | Disclosed |
| TIARA YACHTS, INC. | Manufacturing — Heavy | Self-funded | 573 | 2024 | Disclosed |
| L & L PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 570 | 2025 | Disclosed |
| TROY DESIGN & MANUFACTURING CO. | Manufacturing — Heavy | Self-funded | 570 | 2025 | Disclosed |
| AVL NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 563 | 2022 | Disclosed |
| A.G. SIMPSON (USA) INC | Manufacturing — Heavy | Fully insured | 563 | 2025 | Disclosed |
| AMERICAN MITSUBA CORPORATION | Manufacturing — Heavy | Self-funded | 558 | 2025 | Disclosed |
| SUNMED LLC | Manufacturing — Heavy | Self-funded | 542 | 2025 | Disclosed |
| ASCENT AEROSPACE HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 542 | 2025 | Disclosed |
| SCHUPAN AND SONS, INC. | Manufacturing — Heavy | Self-funded | 534 | 2025 | Disclosed |
| JVIS USA, LLC | Manufacturing — Heavy | Self-funded | 524 | 2024 | Disclosed |
| RIDGEVIEW INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 516 | 2025 | Disclosed |
| LANDSCAPE FORMS, INC. | Manufacturing — Heavy | Self-funded | 510 | 2025 | Disclosed |
| REC BOAT HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 501 | 2023 | Disclosed |
| NATIONAL BULK EQUIPMENT INC | Manufacturing — Heavy | Self-funded | 500 | 2024 | Disclosed |
| EMERGENCY TECHNOLOGY INC. | Manufacturing — Heavy | Self-funded | 500 | 2025 | Disclosed |
| SMW MANUFACTURING, INC. | Manufacturing — Heavy | Fully insured | 498 | 2021 | Disclosed |
| TRIJICON INC. | Manufacturing — Heavy | Self-funded | 496 | 2024 | Disclosed |
| BOARD OF TRUSTEES SHEET METAL WORKERS LOCAL NO. 292 HEALTH FUND | Manufacturing — Heavy | Self-funded | 494 | 2024 | Disclosed |
| BYRNE ELECTRICAL SPECIALISTS INC | Manufacturing — Heavy | Fully insured | 483 | 2025 | Disclosed |
| NSK STEERING SYSTEMS AMERICA, INC. | Manufacturing — Heavy | Self-funded | 481 | 2025 | Disclosed |
| HIROTEC AMERICA, INC. | Manufacturing — Heavy | Self-funded | 477 | 2024 | Disclosed |
| HI-TECH MOLD & ENGINEERING, INC. | Manufacturing — Heavy | Self-funded | 476 | 2025 | Disclosed |
| PADAGIS LLC | Manufacturing — Heavy | Self-funded | 473 | 2025 | Disclosed |
| PLASCORE, INC. | Manufacturing — Heavy | Self-funded | 471 | 2025 | Disclosed |
| MELLING TOOL COMPANY | Manufacturing — Heavy | Self-funded | 469 | 2024 | Disclosed |
| BUCHER HYDRAULICS, INC. | Manufacturing — Heavy | Self-funded | 465 | 2025 | Disclosed |
| PROPER GROUP INTERNATIONAL, LLC | Manufacturing — Heavy | Fully insured | 464 | 2022 | Disclosed |
| STRUCTURAL CONCEPTS | Manufacturing — Heavy | Self-funded | 461 | 2024 | Disclosed |
| PRAB, INC. | Manufacturing — Heavy | Fully insured | 460 | 2025 | Disclosed |
| HART AND COOLEY LLC | Manufacturing — Heavy | Self-funded | 455 | 2022 | Disclosed |
| HAYASHI TELEMPU NORTH AMERICA CORP. | Manufacturing — Heavy | Self-funded | 451 | 2025 | Disclosed |
| GENTHERM INCORPORATED | Manufacturing — Heavy | Self-funded | 450 | 2025 | Disclosed |
| KNAPE AND VOGT MANUFACTURING COMPANY | Manufacturing — Heavy | Self-funded | 449 | 2025 | Disclosed |
| GRAMMER INC. | Manufacturing — Heavy | Self-funded | 447 | 2024 | Disclosed |
| PHINIA INC. | Manufacturing — Heavy | Self-funded | 447 | 2025 | Disclosed |
| RELYANS MAX | Manufacturing — Heavy | Self-funded | 446 | 2025 | Disclosed |
| IRWIN SEATING COMPANY | Manufacturing — Heavy | Self-funded | 444 | 2025 | Disclosed |
| SAFETY TECHNOLOGY HOLDINGS, INC. | Manufacturing — Heavy | Self-funded | 442 | 2025 | Disclosed |
| MERRILL TECHNOLOGIES GROUP, INC. | Manufacturing — Heavy | Self-funded | 440 | 2025 | Disclosed |
| FIDELIS HOLDINGS LLC | Manufacturing — Heavy | Self-funded | 438 | 2024 | Disclosed |
| SCHULER, INC. | Manufacturing — Heavy | Self-funded | 437 | 2024 | Disclosed |
| KOSTAL OF AMERICA, INC. | Manufacturing — Heavy | Self-funded | 434 | 2025 | Disclosed |
| JOST INTERNATIONAL | Manufacturing — Heavy | Self-funded | 433 | 2025 | Disclosed |
| AUTOMATED PET CARE PRODUCTS, LLC | Manufacturing — Heavy | Self-funded | 431 | 2025 | Disclosed |
| HORIZON GLOBAL CORPORATION | Manufacturing — Heavy | Self-funded | 431 | 2021 | Disclosed |
| ALPS ALPINE NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 419 | 2025 | Disclosed |
| MOELLER MFG. COMPANY, LLC | Manufacturing — Heavy | Self-funded | 417 | 2025 | Disclosed |
| MICHIGAN ATF HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 417 | 2025 | Disclosed |
| MAC VALVES, INC. | Manufacturing — Heavy | Self-funded | 416 | 2024 | Disclosed |
| AVALON & TAHOE MFG., INC. | Manufacturing — Heavy | Self-funded | 413 | 2025 | Disclosed |
| THE MILL STEEL CO. | Manufacturing — Heavy | Self-funded | 412 | 2025 | Disclosed |
| THE OAKWOOD GROUP | Manufacturing — Heavy | Self-funded | 405 | 2025 | Disclosed |
| SAMSUNG SDI AMERICA, INC. | Manufacturing — Heavy | Self-funded | 401 | 2025 | Disclosed |
| WALL COLMONOY CORPORATION | Manufacturing — Heavy | Fully insured | 399 | 2024 | Disclosed |
| WALBRO LLC | Manufacturing — Heavy | Self-funded | 399 | 2024 | Disclosed |
| INVIO AUTOMATION, INC | Manufacturing — Heavy | Self-funded | 399 | 2024 | Disclosed |
| THE IDEAL GROUP INC | Manufacturing — Heavy | Fully insured | 393 | 2024 | Disclosed |
| ODL, INCORPORATED | Manufacturing — Heavy | Self-funded | 392 | 2025 | Disclosed |
| HATCH STAMPING COMPANY | Manufacturing — Heavy | Fully insured | 391 | 2025 | Disclosed |
| MATERIAL CONTROL INC. EMPLOYEE INSURANCE PLAN | Manufacturing — Heavy | Fully insured | 387 | 2024 | Disclosed |
| STAR CUTTER COMPANY | Manufacturing — Heavy | Self-funded | 387 | 2025 | Disclosed |
| WICO METAL PRODUCTS COMPANY | Manufacturing — Heavy | Fully insured | 387 | 2024 | Disclosed |
| NORTHERN STAR INDUSTRIES, INC | Manufacturing — Heavy | Self-funded | 385 | 2024 | Disclosed |
| QUALITY METALCRAFT, INC. | Manufacturing — Heavy | Fully insured | 382 | 2023 | Disclosed |
| EXPERI-METAL INC. | Manufacturing — Heavy | Self-funded | 382 | 2024 | Disclosed |
| EATON STEEL BAR COMPANY, INC. | Manufacturing — Heavy | Self-funded | 381 | 2024 | Disclosed |
| ASAMA COLDWATER MANUFACTURING, INC | Manufacturing — Heavy | Self-funded | 377 | 2025 | Disclosed |
| THE PASLIN COMPANY | Manufacturing — Heavy | Self-funded | 376 | 2025 | Disclosed |
| ARMSTRONG INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 375 | 2025 | Disclosed |
| CADILLAC CASTING, INC. | Manufacturing — Heavy | Self-funded | 375 | 2025 | 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.