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132 manufacturing — heavy employers in Washington have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $9 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Washington employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| TUBE ART DISPLAYS INC | Manufacturing — Heavy | Self-funded | 121 | 2025 | Disclosed |
| MACKAY MANUFACTURING, INC | Manufacturing — Heavy | Self-funded | 121 | 2025 | Disclosed |
| METER GROUP, INC. | Manufacturing — Heavy | Self-funded | 120 | 2025 | Disclosed |
| MACHINISTS INC | Manufacturing — Heavy | Self-funded | 120 | 2025 | Disclosed |
| ACCRA-FAB, INC | Manufacturing — Heavy | Fully insured | 119 | 2021 | Disclosed |
| ART BRASS AEROSPACE FINISHING, INC. | Manufacturing — Heavy | Fully insured | 119 | 2025 | Disclosed |
| KING ELECTRICAL MANUFACTURING CO. | Manufacturing — Heavy | Fully insured | 119 | 2024 | Disclosed |
| WATSON FURNITURE GROUP, INC. | Manufacturing — Heavy | Self-funded | 117 | 2024 | Disclosed |
| WACOM TECHNOLOGY CORPORATION | Manufacturing — Heavy | Self-funded | 116 | 2025 | Disclosed |
| AEROTEC, INC. | Manufacturing — Heavy | Self-funded | 115 | 2025 | Disclosed |
| MICROVISION, INC. | Manufacturing — Heavy | Self-funded | 114 | 2025 | Disclosed |
| MERVIN MANUFACTURING, INC. | Manufacturing — Heavy | Fully insured | 112 | 2024 | Disclosed |
| HF ACQUISITION CO. LLC DBA HEALTHFIRST | Manufacturing — Heavy | Self-funded | 109 | 2024 | Disclosed |
| AMT MEDICAL INC | Manufacturing — Heavy | Self-funded | 109 | 2023 | Disclosed |
| YOUNG CORPORATION | Manufacturing — Heavy | Fully insured | 107 | 2024 | Disclosed |
| INTERNATIONAL REHABILITATIVE SCIENCES, INC. | Manufacturing — Heavy | Self-funded | 107 | 2025 | Disclosed |
| ROADMASTER, INC. | Manufacturing — Heavy | Fully insured | 106 | 2024 | Disclosed |
| ADDIUM INC. | Manufacturing — Heavy | Self-funded | 102 | 2023 | Disclosed |
| AMERICAN ALLOY | Manufacturing — Heavy | Self-funded | 101 | 2025 | Disclosed |
| CONTROLTEK, INC. | Manufacturing — Heavy | Self-funded | 101 | 2024 | Disclosed |
| GLEN DIMPLEX AMERICAS | Manufacturing — Heavy | Self-funded | 97 | 2024 | Disclosed |
| ABW TECHNOLOGIES | Manufacturing — Heavy | Self-funded | 96 | 2024 | Disclosed |
| IRWIN RESEARCH & DEVELOPMENT, INC. | Manufacturing — Heavy | Fully insured | 96 | 2024 | Disclosed |
| ICOM AMERICA, INC. | Manufacturing — Heavy | Self-funded | 94 | 2022 | Disclosed |
| SPOKANE INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 92 | 2023 | Disclosed |
| OSW EQUIPMENT & REPAIR, LLC | Manufacturing — Heavy | Self-funded | 89 | 2022 | Disclosed |
| MAGNIX USA, INC. | Manufacturing — Heavy | Fully insured | 86 | 2024 | Disclosed |
| OMADA INTERNATIONAL, LLC | Manufacturing — Heavy | Self-funded | 77 | 2024 | Disclosed |
| GLOWFORGE, INC. | Manufacturing — Heavy | Self-funded | 75 | 2024 | Disclosed |
| HYDRO SYSTEMS USA INC. | Manufacturing — Heavy | Self-funded | 40 | 2021 | Disclosed |
| KENALL MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | — | 2018 | Disclosed |
| PRECOR INCORPORATED | 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.