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365 manufacturing — heavy employers in Wisconsin have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $10 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Wisconsin employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| HTT, INC. | Manufacturing — Heavy | Self-funded | 117 | 2025 | Disclosed |
| VETS PLUS INC | Manufacturing — Heavy | Fully insured | 117 | 2025 | Disclosed |
| TCLAD, INC | Manufacturing — Heavy | Fully insured | 116 | 2025 | Disclosed |
| PRINTRON ENGRAVERS, INC. | Manufacturing — Heavy | Self-funded | 115 | 2024 | Disclosed |
| NERCON ENG. & MFG., INC. | Manufacturing — Heavy | Self-funded | 115 | 2025 | Disclosed |
| FORMRITE TUBE COMPANY | Manufacturing — Heavy | Self-funded | 114 | 2023 | Disclosed |
| TEAM INDUSTRIES INC. | Manufacturing — Heavy | Fully insured | 114 | 2025 | Disclosed |
| MIDWEST ENGINEERED SYSTEMS INC | Manufacturing — Heavy | Self-funded | 113 | 2024 | Disclosed |
| THE BREWER COMPANY, LLC | Manufacturing — Heavy | Self-funded | 113 | 2025 | Disclosed |
| NEXEN GROUP, INC. | Manufacturing — Heavy | Self-funded | 113 | 2024 | Disclosed |
| PHOENIX NUCLEAR HOLDING COMPANY | Manufacturing — Heavy | Self-funded | 113 | 2021 | Disclosed |
| WISCONSIN PRECISION CASTING CORPORATION | Manufacturing — Heavy | Self-funded | 112 | 2025 | Disclosed |
| CTPS LLC | Manufacturing — Heavy | Self-funded | 112 | 2025 | Disclosed |
| RAFFEL SYSTEMS, LLC | Manufacturing — Heavy | Fully insured | 111 | 2025 | Disclosed |
| NEENAH ENTERPRISES INC | Manufacturing — Heavy | Fully insured | 110 | 2022 | Disclosed |
| CARLSON TOOL & MANUFACTURING CORP. | Manufacturing — Heavy | Self-funded | 110 | 2025 | Disclosed |
| PRIMEX, INC. | Manufacturing — Heavy | Self-funded | 110 | 2025 | Disclosed |
| FRISTAM PUMPS USA, LIMITED PARTNERSHIP | Manufacturing — Heavy | Self-funded | 110 | 2024 | Disclosed |
| SPUNCAST, INC. | Manufacturing — Heavy | Self-funded | 109 | 2025 | Disclosed |
| DENTAL CRAFTERS, INC. | Manufacturing — Heavy | Self-funded | 109 | 2025 | Disclosed |
| SWISS TECH, LLC | Manufacturing — Heavy | Fully insured | 108 | 2023 | Disclosed |
| WISCO INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 107 | 2024 | Disclosed |
| AMERICAN TEL-A-SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 107 | 2025 | Disclosed |
| AMPCO PUMPS COMPANY INC. | Manufacturing — Heavy | Self-funded | 107 | 2024 | Disclosed |
| SJOBERG TOOL & MANUFACTURING CORPORATION | Manufacturing — Heavy | Self-funded | 106 | 2025 | Disclosed |
| J&D TUBE BENDERS, INC. | Manufacturing — Heavy | Self-funded | 103 | 2024 | Disclosed |
| COEXTRUDED PLASTIC TECHNOLOGIES DBA CPT, INC. | Manufacturing — Heavy | Self-funded | 103 | 2023 | Disclosed |
| SERVER PRODUCTS | Manufacturing — Heavy | Self-funded | 102 | 2025 | Disclosed |
| ARIES INDUSTRIES INC. | Manufacturing — Heavy | Self-funded | 102 | 2024 | Disclosed |
| READER PRECISION SOLUTIONS INC | Manufacturing — Heavy | Self-funded | 102 | 2025 | Disclosed |
| AMTRACO AMERICAN TRADING COMPANIES LLC | Manufacturing — Heavy | Self-funded | 101 | 2024 | Disclosed |
| GILSON, INC. | Manufacturing — Heavy | Fully insured | 101 | 2024 | Disclosed |
| CONSTRUCTION FORMS, INC. | Manufacturing — Heavy | Self-funded | 101 | 2024 | Disclosed |
| DIELECTRIC MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 100 | 2024 | Disclosed |
| CORE PRODUCTS INTERNATIONAL, INC. | Manufacturing — Heavy | Fully insured | 99 | 2021 | Disclosed |
| H.G. WEBER & COMPANY, INC. | Manufacturing — Heavy | Self-funded | 98 | 2024 | Disclosed |
| TANIS, INC. | Manufacturing — Heavy | Fully insured | 98 | 2023 | Disclosed |
| BADGER SHEET METAL WORKS OF GREEN BAY, LLC | Manufacturing — Heavy | Self-funded | 97 | 2024 | Disclosed |
| E.R. WAGNER MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 97 | 2025 | Disclosed |
| MICROPRECISION LLC | Manufacturing — Heavy | Self-funded | 97 | 2024 | Disclosed |
| TALGO, INC. | Manufacturing — Heavy | Self-funded | 97 | 2024 | Disclosed |
| W.E. HOBAN COMPANY | Manufacturing — Heavy | Self-funded | 96 | 2025 | Disclosed |
| CENTRISYS CORPORATION | Manufacturing — Heavy | Self-funded | 96 | 2021 | Disclosed |
| INTERNATIONAL THERMAL SYSTEMS | Manufacturing — Heavy | Self-funded | 95 | 2022 | Disclosed |
| ARDISAM INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 94 | 2025 | Disclosed |
| SIELAFF CORPORATION | Manufacturing — Heavy | Self-funded | 94 | 2023 | Disclosed |
| KRONES PROCESS GROUP NORTH AMERICA, LLC | Manufacturing — Heavy | Self-funded | 93 | 2025 | Disclosed |
| HERKER INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 93 | 2025 | Disclosed |
| PRIORITY ACQUISITION CO LLC | Manufacturing — Heavy | Self-funded | 91 | 2024 | Disclosed |
| METAL WARE CORPORATION | Manufacturing — Heavy | Fully insured | 90 | 2023 | Disclosed |
| ACE MANUFACTURING INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 90 | 2025 | Disclosed |
| ATACO STEEL PRODUCTS CORPORATION | Manufacturing — Heavy | Fully insured | 88 | 2023 | Disclosed |
| RENAISSANCE MANUFACTURING GROUP | Manufacturing — Heavy | Fully insured | 88 | 2020 | Disclosed |
| H.O. BOSTROM COMPANY INC. | Manufacturing — Heavy | Self-funded | 85 | 2022 | Disclosed |
| MASTERCARFT INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 84 | 2024 | Disclosed |
| MCNALLY INDUSTRIES, LLC | Manufacturing — Heavy | Self-funded | 84 | 2021 | Disclosed |
| BAY VIEW INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 83 | 2025 | Disclosed |
| MARCHANT SCHMIDT, INC | Manufacturing — Heavy | Fully insured | 81 | 2023 | Disclosed |
| PLAYMONSTER GROUP, LLC | Manufacturing — Heavy | Self-funded | 79 | 2023 | Disclosed |
| METSO MCCLOSKY USA LLC DBA LIPPMANN MILWAUKEE | Manufacturing — Heavy | Self-funded | 71 | 2024 | Disclosed |
| AGILITY HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 65 | 2021 | Disclosed |
| INDUSTRIAL ENGRAVING LLC | Manufacturing — Heavy | Self-funded | 64 | 2025 | Disclosed |
| HUTCHINSON TECHNOLOGY - A TDK GROUP COMPANY | Manufacturing — Heavy | Self-funded | 59 | 2024 | Disclosed |
| MECA SOLUTIONS LLC | Manufacturing — Heavy | Self-funded | 18 | 2025 | Disclosed |
| DORNER MFG CORP. | 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.