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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 |
|---|---|---|---|---|---|
| LINK ENGINEERING CO. | Manufacturing — Heavy | Self-funded | 375 | 2025 | Disclosed |
| BETZ INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 372 | 2025 | Disclosed |
| BIG RAPIDS PRODUCTS INC. | Manufacturing — Heavy | Self-funded | 372 | 2025 | Disclosed |
| MILLER INDUSTRIES HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 369 | 2025 | Disclosed |
| MOTOR CITY WASH WORKS, INC. | Manufacturing — Heavy | Fully insured | 366 | 2025 | Disclosed |
| PRODUCTION PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 365 | 2025 | Disclosed |
| MUSASHI AUTO PARTS, INC. | Manufacturing — Heavy | Self-funded | 360 | 2025 | Disclosed |
| ENGINEERED MACHINED PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 360 | 2025 | Disclosed |
| TESA TAPE, INC. | Manufacturing — Heavy | Self-funded | 359 | 2025 | Disclosed |
| VERICEL CORPORATION | Manufacturing — Heavy | Fully insured | 357 | 2024 | Disclosed |
| DELACO STEEL CORPORATION | Manufacturing — Heavy | Fully insured | 355 | 2025 | Disclosed |
| SHANNON PRECISION FASTENER, LLC | Manufacturing — Heavy | Self-funded | 353 | 2025 | Disclosed |
| XALT ENERGY, LLC | Manufacturing — Heavy | Fully insured | 348 | 2025 | Disclosed |
| LE JONES COMPANY LLC | Manufacturing — Heavy | Self-funded | 347 | 2025 | Disclosed |
| SETEX, INC. | Manufacturing — Heavy | Self-funded | 343 | 2025 | Disclosed |
| ANDROID INDUSTRIES, LLC | Manufacturing — Heavy | Self-funded | 338 | 2024 | Disclosed |
| OETIKER, INC. | Manufacturing — Heavy | Fully insured | 336 | 2025 | Disclosed |
| THE STOW COMPANY-HOLLAND, INC. | Manufacturing — Heavy | Self-funded | 335 | 2025 | Disclosed |
| REED CITY GROUP LLC | Manufacturing — Heavy | Fully insured | 335 | 2025 | Disclosed |
| MOTOR CITY STAMPING, INC. | Manufacturing — Heavy | Self-funded | 334 | 2025 | Disclosed |
| HMS PRODUCTS CO./HMS MFG. CO. | Manufacturing — Heavy | Self-funded | 332 | 2024 | Disclosed |
| DETROIT THERMAL SYSTEMS, LLC | Manufacturing — Heavy | Fully insured | 332 | 2022 | Disclosed |
| FLAT ROCK METAL | Manufacturing — Heavy | Self-funded | 328 | 2025 | Disclosed |
| TREMEC CORPORATION | Manufacturing — Heavy | Self-funded | 327 | 2025 | Disclosed |
| EPREDIA/RICHARD ALLAN SCIENTIFIC | Manufacturing — Heavy | Self-funded | 322 | 2025 | Disclosed |
| TGW SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 318 | 2025 | Disclosed |
| GNS NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 317 | 2024 | Disclosed |
| HURON, INC. | Manufacturing — Heavy | Self-funded | 315 | 2025 | Disclosed |
| GISSING NORTH AMERICA LLC | Manufacturing — Heavy | Self-funded | 313 | 2021 | Disclosed |
| ELRINGKLINGER AUTOMOTIVE MANUFACTURING, INC. | Manufacturing — Heavy | Fully insured | 310 | 2025 | Disclosed |
| APPLIED PROCESS, INC. DBA AALBERTS SURFACE TECHNOLOGIES | Manufacturing — Heavy | Self-funded | 307 | 2025 | Disclosed |
| DEARBORN HOLDING COMPANY, LLC | Manufacturing — Heavy | Self-funded | 307 | 2025 | Disclosed |
| ECKHART HOLDINGS, INC | Manufacturing — Heavy | Fully insured | 305 | 2022 | Disclosed |
| BURR OAK TOOL INC. | Manufacturing — Heavy | Self-funded | 304 | 2025 | Disclosed |
| PROGRESSIVE STAMPING, INC. | Manufacturing — Heavy | Self-funded | 300 | 2025 | Disclosed |
| IRVIN AUTOMOTIVE PRODUCTS, LLC | Manufacturing — Heavy | Self-funded | 298 | 2023 | Disclosed |
| TARGET METAL BLANKING | Manufacturing — Heavy | Self-funded | 297 | 2024 | Disclosed |
| CIE NEWCOR | Manufacturing — Heavy | Self-funded | 296 | 2025 | Disclosed |
| JEDCO, INC. | Manufacturing — Heavy | Self-funded | 294 | 2024 | Disclosed |
| KNIGHT ERGONOMICS, LTD. | Manufacturing — Heavy | Fully insured | 294 | 2024 | Disclosed |
| AMERICAN BATTERY SOLUTIONS, LLC | Manufacturing — Heavy | Fully insured | 294 | 2024 | Disclosed |
| BIZLINK ROBOTIC SOLUTIONS USA, INC. | Manufacturing — Heavy | Self-funded | 289 | 2022 | Disclosed |
| SAS AUTOMOTIVE USA, INC. | Manufacturing — Heavy | Self-funded | 286 | 2023 | Disclosed |
| NUCRAFT FURNITURE COMPANY | Manufacturing — Heavy | Self-funded | 286 | 2025 | Disclosed |
| WEISS TECHNIK NORTH AMERICA, INC | Manufacturing — Heavy | Self-funded | 282 | 2025 | Disclosed |
| KWANG JIN AMERICA, INC. | Manufacturing — Heavy | Fully insured | 280 | 2025 | Disclosed |
| UNIQUE FABRICATING, INC. | Manufacturing — Heavy | Fully insured | 280 | 2022 | Disclosed |
| J.G. KERN ENTERPRISES INC | Manufacturing — Heavy | Fully insured | 277 | 2025 | Disclosed |
| TOOLING SYSTEMS GROUP | Manufacturing — Heavy | Self-funded | 273 | 2024 | Disclosed |
| TECHNIQUE, INC. | Manufacturing — Heavy | Fully insured | 273 | 2025 | Disclosed |
| CASCADE DIE CASTING GROUP, INC. | Manufacturing — Heavy | Self-funded | 271 | 2025 | Disclosed |
| ND INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 270 | 2023 | Disclosed |
| JVIS MANUFACTURING, LLC | Manufacturing — Heavy | Self-funded | 268 | 2024 | Disclosed |
| DEXTER FASTENER TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 268 | 2025 | Disclosed |
| TRIBUS AEROSPACE CORP | Manufacturing — Heavy | Self-funded | 268 | 2025 | Disclosed |
| COMMERCIAL TOOL AND DIE, INC. | Manufacturing — Heavy | Self-funded | 266 | 2024 | Disclosed |
| EISSMANN AUTOMOTIVE, INC. | Manufacturing — Heavy | Fully insured | 265 | 2025 | Disclosed |
| STANCO METAL PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 264 | 2025 | Disclosed |
| THK RHYTHM AUTOMOTIVE MICHIGAN CORPORATION | Manufacturing — Heavy | Self-funded | 264 | 2025 | Disclosed |
| DAYCO INCORPORATED | Manufacturing — Heavy | Self-funded | 262 | 2025 | Disclosed |
| VISTEON CORPORATION | Manufacturing — Heavy | Self-funded | 262 | 2024 | Disclosed |
| MAXION WHEELS U.S.A. LLC | Manufacturing — Heavy | Self-funded | 261 | 2025 | Disclosed |
| SKYWAY PRECISION INC | Manufacturing — Heavy | Fully insured | 260 | 2025 | Disclosed |
| DETROIT AUTOMOTIVE TECHNOLOGIES | Manufacturing — Heavy | Fully insured | 259 | 2024 | Disclosed |
| DICASTAL NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 259 | 2025 | Disclosed |
| ESPEC NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 258 | 2024 | Disclosed |
| WILLIAMS FORM ENGINEERING CORP | Manufacturing — Heavy | Self-funded | 258 | 2025 | Disclosed |
| SPECIAL-LITE, INC. | Manufacturing — Heavy | Fully insured | 257 | 2024 | Disclosed |
| MISTEQUAY GROUP LTD | Manufacturing — Heavy | Fully insured | 256 | 2022 | Disclosed |
| MAGNESIUM PRODUCTS OF AMERICA, INC. | Manufacturing — Heavy | Self-funded | 255 | 2025 | Disclosed |
| GR SEATING LLC DBA AMERICAN SEATING COMPANY | Manufacturing — Heavy | Self-funded | 255 | 2025 | Disclosed |
| WATSON ENGINEERING, INC. | Manufacturing — Heavy | Fully insured | 254 | 2025 | Disclosed |
| STAGERIGHT CORPORATION | Manufacturing — Heavy | Self-funded | 253 | 2025 | Disclosed |
| MAY MOBILITY, INC. | Manufacturing — Heavy | Self-funded | 252 | 2025 | Disclosed |
| AIR-WAY MANUFACTURING COMPANY | Manufacturing — Heavy | Self-funded | 251 | 2025 | Disclosed |
| CALUMET ELECTRONICS CORPORATION | Manufacturing — Heavy | Fully insured | 250 | 2025 | Disclosed |
| GONZALEZ PRODUCTION SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 249 | 2024 | Disclosed |
| MIDWEST FASTENER CORPORATION | Manufacturing — Heavy | Self-funded | 248 | 2025 | Disclosed |
| OPUS IVS | Manufacturing — Heavy | Self-funded | 246 | 2025 | Disclosed |
| SUMIDA AMERICA INC. | Manufacturing — Heavy | Fully insured | 246 | 2025 | Disclosed |
| TOYO SEAT USA CORPORATION | Manufacturing — Heavy | Self-funded | 246 | 2025 | Disclosed |
| HANSON SYSTEMS LLC, DBA EAGLE TECHNOLOGIES GROUP | Manufacturing — Heavy | Self-funded | 246 | 2022 | Disclosed |
| SODECIA NORTH AMERICA | Manufacturing — Heavy | Self-funded | 246 | 2024 | Disclosed |
| UNILOY, INC. | Manufacturing — Heavy | Self-funded | 246 | 2025 | Disclosed |
| LOUCA MOLD AND AEROSPACE MACHINING INC. DBA LEGACY INDUSTRIES INC | Manufacturing — Heavy | Fully insured | 245 | 2025 | Disclosed |
| THERMOFORMING TECHNOLOGY GROUP LLC | Manufacturing — Heavy | Self-funded | 245 | 2024 | Disclosed |
| CONCORD TOOL & MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 244 | 2025 | Disclosed |
| PTM CORPORATION | Manufacturing — Heavy | Self-funded | 243 | 2025 | Disclosed |
| AVASURE, LLC | Manufacturing — Heavy | Self-funded | 243 | 2025 | Disclosed |
| G.A. RICHARDS COMPANY | Manufacturing — Heavy | Self-funded | 242 | 2025 | Disclosed |
| VISIONEERING, INC. | Manufacturing — Heavy | Self-funded | 241 | 2025 | Disclosed |
| DENSO TEN AMERICA LIMITED | Manufacturing — Heavy | Self-funded | 241 | 2025 | Disclosed |
| FORI AUTOMATION, LLC | Manufacturing — Heavy | Self-funded | 238 | 2023 | Disclosed |
| COMMERCIAL STEEL TREATING CORPORATION | Manufacturing — Heavy | Self-funded | 237 | 2024 | Disclosed |
| ADVANCED VEHICLE ASSEMBLIES, LLC | Manufacturing — Heavy | Self-funded | 237 | 2025 | Disclosed |
| AUTOMATIC SPRING PRODUCTS CORP | Manufacturing — Heavy | Self-funded | 236 | 2025 | Disclosed |
| PLASTIVALOIRE AMERICA, INC. | Manufacturing — Heavy | Fully insured | 236 | 2024 | Disclosed |
| PETERSON AMERICAN CORPORATION | Manufacturing — Heavy | Self-funded | 235 | 2022 | Disclosed |
| INDUCTOHEAT, INC. | Manufacturing — Heavy | Fully insured | 235 | 2024 | Disclosed |
| CEC CONTROLS COMPANY, INC. | Manufacturing — Heavy | Self-funded | 235 | 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.