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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 |
|---|---|---|---|---|---|
| THERMA-STOR, LLC | Manufacturing — Heavy | Self-funded | 349 | 2022 | Disclosed |
| MARION BODY WORKS, INC. | Manufacturing — Heavy | Self-funded | 343 | 2025 | Disclosed |
| TRACE-A-MATIC CORPORATION | Manufacturing — Heavy | Self-funded | 339 | 2024 | Disclosed |
| ANDIS COMPANY | Manufacturing — Heavy | Self-funded | 338 | 2025 | Disclosed |
| VENTUREDYNE LTD | Manufacturing — Heavy | Self-funded | 328 | 2025 | Disclosed |
| W.T. WALKER GROUP, INC. | Manufacturing — Heavy | Self-funded | 323 | 2025 | Disclosed |
| STANDARD PROCESS, INC. | Manufacturing — Heavy | Self-funded | 322 | 2025 | Disclosed |
| MADISON-KIPP CORPORATION | Manufacturing — Heavy | Self-funded | 320 | 2025 | Disclosed |
| MADISON ONE HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 317 | 2025 | Disclosed |
| KHS USA, INC. | Manufacturing — Heavy | Self-funded | 317 | 2024 | Disclosed |
| BLAST CLEANING TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 312 | 2025 | Disclosed |
| HYPRO, INC. | Manufacturing — Heavy | Self-funded | 309 | 2025 | Disclosed |
| MILSCO, LLC | Manufacturing — Heavy | Self-funded | 308 | 2025 | Disclosed |
| MILWAUKEE ELECTRONICS CORPORATION | Manufacturing — Heavy | Self-funded | 306 | 2025 | Disclosed |
| TTX HOLDINGS, INC. | Manufacturing — Heavy | Self-funded | 304 | 2025 | Disclosed |
| MILWAUKEE VALVE COMPANY, LLC | Manufacturing — Heavy | Self-funded | 303 | 2024 | Disclosed |
| KI MOBILITY, LLC | Manufacturing — Heavy | Self-funded | 297 | 2025 | Disclosed |
| AUER STEEL & HEATING SUPPLY CO. | Manufacturing — Heavy | Fully insured | 296 | 2025 | Disclosed |
| MANITOWOC TOOL & MACHINING, LLC | Manufacturing — Heavy | Self-funded | 293 | 2025 | Disclosed |
| STEELE SOLUTIONS, INC. | Manufacturing — Heavy | Self-funded | 293 | 2024 | Disclosed |
| BRUNK INDUSTRIES | Manufacturing — Heavy | Self-funded | 289 | 2025 | Disclosed |
| LATITUDE CORP. | Manufacturing — Heavy | Self-funded | 288 | 2025 | Disclosed |
| STERLING PRODUCTS, INC DBA ACS GROUP | Manufacturing — Heavy | Self-funded | 283 | 2025 | Disclosed |
| ALWIN MANUFACTURING CO., INC. | Manufacturing — Heavy | Self-funded | 281 | 2025 | Disclosed |
| AROW GLOBAL CORP | Manufacturing — Heavy | Self-funded | 280 | 2025 | Disclosed |
| METAL-ERA, LLC | Manufacturing — Heavy | Self-funded | 275 | 2024 | Disclosed |
| VALUE ADDED DISTRIBUTORS LLC | Manufacturing — Heavy | Self-funded | 275 | 2025 | Disclosed |
| NORTHERN ENGRAVING CORPORATION | Manufacturing — Heavy | Self-funded | 274 | 2025 | Disclosed |
| MULTISTACK, LLC | Manufacturing — Heavy | Fully insured | 272 | 2024 | Disclosed |
| HELWIG CARBON PRODUCTS, INC | Manufacturing — Heavy | Self-funded | 271 | 2025 | Disclosed |
| RATHGIBSON LLC | Manufacturing — Heavy | Self-funded | 270 | 2024 | Disclosed |
| ENGENDREN CORPORATION | Manufacturing — Heavy | Self-funded | 269 | 2025 | Disclosed |
| TRAFFIC AND PARKING CONTROL COMPANY INC. | Manufacturing — Heavy | Self-funded | 262 | 2025 | Disclosed |
| WAGO CORPORATION | Manufacturing — Heavy | Self-funded | 261 | 2025 | Disclosed |
| BHP, INC. DBA GLOBAL POWER COMPONENTS | Manufacturing — Heavy | Self-funded | 261 | 2024 | Disclosed |
| MASTER MOLD LLC | Manufacturing — Heavy | Self-funded | 260 | 2024 | Disclosed |
| EXPONENTIAL POWER | Manufacturing — Heavy | Self-funded | 260 | 2025 | Disclosed |
| VILLAGE ASSOCIATES, INC. | Manufacturing — Heavy | Self-funded | 260 | 2025 | Disclosed |
| SHINE TECHNOLOGIES, LLC | Manufacturing — Heavy | Self-funded | 258 | 2024 | Disclosed |
| FELKER BROTHERS CORPORATION | Manufacturing — Heavy | Self-funded | 258 | 2025 | Disclosed |
| CURT G. JOA, INC. | Manufacturing — Heavy | Self-funded | 256 | 2024 | Disclosed |
| GAMBER-JOHNSON, LLC | Manufacturing — Heavy | Self-funded | 256 | 2025 | Disclosed |
| MANITOWOC TOOL & MANUFACTURING, LLC | Manufacturing — Heavy | Self-funded | 254 | 2025 | Disclosed |
| OEM FABRICATORS, INC. | Manufacturing — Heavy | Self-funded | 254 | 2025 | Disclosed |
| AMEREQUIP CORPORATION | Manufacturing — Heavy | Self-funded | 252 | 2024 | Disclosed |
| WAUSAU TILE, LLC | Manufacturing — Heavy | Self-funded | 252 | 2025 | Disclosed |
| SADOFF AND RUDOY, LLP | Manufacturing — Heavy | Self-funded | 251 | 2025 | Disclosed |
| PUTZMEISTER AMERICA, INC. | Manufacturing — Heavy | Self-funded | 249 | 2024 | Disclosed |
| TWIN DISC, INCORPORATED | Manufacturing — Heavy | Self-funded | 248 | 2024 | Disclosed |
| THE FALL RIVER GROUP, INC. | Manufacturing — Heavy | Self-funded | 244 | 2025 | Disclosed |
| RICHARDSON INDUSTRIES INC. | Manufacturing — Heavy | Self-funded | 240 | 2025 | Disclosed |
| E.K. MACHINE COMPANY, INC. | Manufacturing — Heavy | Self-funded | 240 | 2025 | Disclosed |
| SKANA ALUMINUM COMPANY | Manufacturing — Heavy | Self-funded | 239 | 2024 | Disclosed |
| IMPERIAL INDUSTRIES INC | Manufacturing — Heavy | Self-funded | 239 | 2025 | Disclosed |
| MIDWEST PRODUCTS AND ENGINEERING, INC. | Manufacturing — Heavy | Fully insured | 237 | 2024 | Disclosed |
| ARROWHEAD SYSTEMS, LLC | Manufacturing — Heavy | Self-funded | 237 | 2022 | Disclosed |
| AARROWCAST, INC. | Manufacturing — Heavy | Self-funded | 233 | 2022 | Disclosed |
| PERLICK CORPORATION | Manufacturing — Heavy | Self-funded | 231 | 2025 | Disclosed |
| POBLOCKI SIGN COMPANY, LLC | Manufacturing — Heavy | Self-funded | 231 | 2023 | Disclosed |
| RYTEC CORPORATION | Manufacturing — Heavy | Self-funded | 230 | 2023 | Disclosed |
| REGAL WARE, INC. | Manufacturing — Heavy | Self-funded | 228 | 2025 | Disclosed |
| MID-STATES ALUMINUM CORPORATION | Manufacturing — Heavy | Self-funded | 226 | 2023 | Disclosed |
| POCLAIN HYDRAULICS INC. | Manufacturing — Heavy | Self-funded | 222 | 2025 | Disclosed |
| SYSTEMS, LLC | Manufacturing — Heavy | Self-funded | 221 | 2022 | Disclosed |
| HELGESEN INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| WINSERT, LLC | Manufacturing — Heavy | Self-funded | 219 | 2025 | Disclosed |
| DLSM, INC. | Manufacturing — Heavy | Self-funded | 218 | 2025 | Disclosed |
| RPI HOLDINGS, INC. | Manufacturing — Heavy | Self-funded | 218 | 2025 | Disclosed |
| BRUNNER MANUFACTURING CO INC | Manufacturing — Heavy | Fully insured | 213 | 2025 | Disclosed |
| BCI BURKE COMPANY, LLC | Manufacturing — Heavy | Self-funded | 213 | 2025 | Disclosed |
| ECK INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 211 | 2024 | Disclosed |
| G3 INDUSTRIES INC | Manufacturing — Heavy | Self-funded | 210 | 2025 | Disclosed |
| PALMER HAMILTON, LLC | Manufacturing — Heavy | Self-funded | 208 | 2025 | Disclosed |
| KINEX/R&M HOLD CO, LLC. | Manufacturing — Heavy | Self-funded | 208 | 2025 | Disclosed |
| INFINITY MACHINE & ENGINEERING CORP. | Manufacturing — Heavy | Self-funded | 207 | 2025 | Disclosed |
| KICKHAEFER MANUFACTURING COMPANY LLC | Manufacturing — Heavy | Self-funded | 205 | 2025 | Disclosed |
| STECKER MACHINE COMPANY, INC. | Manufacturing — Heavy | Self-funded | 204 | 2025 | Disclosed |
| PRESTWICK GROUP, INC. | Manufacturing — Heavy | Self-funded | 204 | 2025 | Disclosed |
| DSB TECHNOLOGIES, LLC | Manufacturing — Heavy | Self-funded | 203 | 2025 | Disclosed |
| H&S MANUFACTURING COMPANY, INC. | Manufacturing — Heavy | Self-funded | 202 | 2023 | Disclosed |
| CMD CORPORATION | Manufacturing — Heavy | Self-funded | 202 | 2024 | Disclosed |
| SWITCHGEAR POWER SYSTEMS LLC | Manufacturing — Heavy | Self-funded | 201 | 2025 | Disclosed |
| MAYNARD STEEL CASTING COMPANY | Manufacturing — Heavy | Self-funded | 200 | 2025 | Disclosed |
| DANE MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 200 | 2024 | Disclosed |
| ROYAL BASKET TRUCKS INC | Manufacturing — Heavy | Self-funded | 195 | 2025 | Disclosed |
| PALMER JOHNSON ENTERPRISES, INC. | Manufacturing — Heavy | Self-funded | 193 | 2025 | Disclosed |
| AVIDITY SCIENCE, LLC | Manufacturing — Heavy | Self-funded | 191 | 2025 | Disclosed |
| SENTRY EQUIPMENT CORP. | Manufacturing — Heavy | Self-funded | 190 | 2024 | Disclosed |
| BAKER MANUFACTURING COMPANY LLC | Manufacturing — Heavy | Self-funded | 188 | 2024 | Disclosed |
| AMERICAN CUSTOM METAL FABRICATING, INC. | Manufacturing — Heavy | Fully insured | 187 | 2024 | Disclosed |
| VALLEY CABINET, INC. | Manufacturing — Heavy | Fully insured | 185 | 2024 | Disclosed |
| SAELENS LLC | Manufacturing — Heavy | Self-funded | 185 | 2025 | Disclosed |
| LUVATA APPLETON, LLC | Manufacturing — Heavy | Self-funded | 185 | 2023 | Disclosed |
| HARKEN, INC. | Manufacturing — Heavy | Self-funded | 182 | 2025 | Disclosed |
| BAY TEK ENTERTAINMENT INC. | Manufacturing — Heavy | Self-funded | 180 | 2018 | Disclosed |
| MCL INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 180 | 2018 | Disclosed |
| DELTROL CORPORATION | Manufacturing — Heavy | Self-funded | 179 | 2025 | Disclosed |
| KARAVAN TRAILERS, LLC. | Manufacturing — Heavy | Self-funded | 178 | 2024 | Disclosed |
| D&S MACHINE SERVICE, INC. | Manufacturing — Heavy | Self-funded | 178 | 2025 | Disclosed |
| WISCONSIN BUILT, INC. | Manufacturing — Heavy | Self-funded | 178 | 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.