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476 manufacturing — heavy employers in Illinois 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 Illinois employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| ARCHER WIRE INTERNATIONAL CORPORATION | Manufacturing — Heavy | Self-funded | 278 | 2025 | Disclosed |
| GENERAL KINEMATICS | Manufacturing — Heavy | Self-funded | 273 | 2025 | Disclosed |
| KELLER GROUP, INC. | Manufacturing — Heavy | Self-funded | 272 | 2025 | Disclosed |
| EMPIRE COMFORT SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 269 | 2024 | Disclosed |
| HANDI FOIL CORPORATION | Manufacturing — Heavy | Fully insured | 264 | 2024 | Disclosed |
| AQUA AEROBIC SYSTEMS INC | Manufacturing — Heavy | Self-funded | 263 | 2025 | Disclosed |
| UCC HOLDCO, LLC DBA UCC ENVIRONMENTAL | Manufacturing — Heavy | Self-funded | 263 | 2024 | Disclosed |
| ACCURATE PERFORATING COMPANY | Manufacturing — Heavy | Fully insured | 263 | 2024 | Disclosed |
| ALIN MACHINING COMPANY, LLC | Manufacturing — Heavy | Self-funded | 262 | 2023 | Disclosed |
| BIG 3 PRECISION PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 262 | 2023 | Disclosed |
| IHI TURBO AMERICA | Manufacturing — Heavy | Self-funded | 259 | 2025 | Disclosed |
| SLIDEMATIC PRECISION COMPONENTS, INC. | Manufacturing — Heavy | Fully insured | 257 | 2024 | Disclosed |
| ELITE MANUFACTURING TECHNOLOGIES | Manufacturing — Heavy | Fully insured | 257 | 2023 | Disclosed |
| SKYLINE FURNITURE MFG., INC. | Manufacturing — Heavy | Self-funded | 256 | 2025 | Disclosed |
| SUREWERX USA INC. | Manufacturing — Heavy | Fully insured | 255 | 2025 | Disclosed |
| NATIONAL RAILWAY EQUIPMENT CO. | Manufacturing — Heavy | Self-funded | 252 | 2022 | Disclosed |
| IPSEN INC. | Manufacturing — Heavy | Fully insured | 252 | 2025 | Disclosed |
| BISON GEAR & ENGINEERING CORPORATION | Manufacturing — Heavy | Self-funded | 251 | 2023 | Disclosed |
| GOTION ILLINOIS NEW ENERGY, INC | Manufacturing — Heavy | Self-funded | 247 | 2025 | Disclosed |
| MCLAUGHLIN BODY COMPANY | Manufacturing — Heavy | Self-funded | 245 | 2025 | Disclosed |
| PARSONS COMPANY, INC. | Manufacturing — Heavy | Fully insured | 245 | 2025 | Disclosed |
| PANEK PRECISION PRODUCTS, LLC | Manufacturing — Heavy | Self-funded | 245 | 2025 | Disclosed |
| BATAVIA CONTAINER INC. | Manufacturing — Heavy | Self-funded | 244 | 2025 | Disclosed |
| DIGITAL CHECK CORP. | Manufacturing — Heavy | Self-funded | 243 | 2025 | Disclosed |
| HAUMILLER ENGINEERING COMPANY | Manufacturing — Heavy | Fully insured | 240 | 2025 | Disclosed |
| ALTON STEEL, INC. | Manufacturing — Heavy | Self-funded | 239 | 2025 | Disclosed |
| EAKAS CORPORATION | Manufacturing — Heavy | Fully insured | 236 | 2025 | Disclosed |
| BELLOTA AGRISOLUTIONS & TOOLS USA LLC | Manufacturing — Heavy | Fully insured | 235 | 2025 | Disclosed |
| WATER SAVER FAUCET CO. | Manufacturing — Heavy | Fully insured | 234 | 2024 | Disclosed |
| INCREDIBLE TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 233 | 2025 | Disclosed |
| RESERVE FTL LLC | Manufacturing — Heavy | Self-funded | 233 | 2024 | Disclosed |
| CCK AUTOMATIONS LLC | Manufacturing — Heavy | Self-funded | 233 | 2025 | Disclosed |
| CHICAGO DRYER CO. | Manufacturing — Heavy | Self-funded | 232 | 2025 | Disclosed |
| MILTON INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 229 | 2025 | Disclosed |
| SWD, INC. | Manufacturing — Heavy | Fully insured | 229 | 2024 | Disclosed |
| CIMCO RESOURCES, INC. | Manufacturing — Heavy | Fully insured | 226 | 2024 | Disclosed |
| AUTHORIZED ACQUISITIONS, LLC | Manufacturing — Heavy | Self-funded | 225 | 2025 | Disclosed |
| OVERTON CHICAGO GEAR | Manufacturing — Heavy | Fully insured | 218 | 2025 | Disclosed |
| MAGNETIC INSPECTION LABORATORY, INC. | Manufacturing — Heavy | Self-funded | 217 | 2024 | Disclosed |
| PMW HOLDINGS INC | Manufacturing — Heavy | Self-funded | 216 | 2024 | Disclosed |
| THYBAR CORPORATION | Manufacturing — Heavy | Fully insured | 215 | 2024 | Disclosed |
| ERA INDUSTRIES INC. | Manufacturing — Heavy | Self-funded | 215 | 2024 | Disclosed |
| STERN PINBALL, INC | Manufacturing — Heavy | Fully insured | 213 | 2025 | Disclosed |
| NEW USN CHICAGO, LLC | Manufacturing — Heavy | Fully insured | 211 | 2022 | Disclosed |
| RAYNOR MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 211 | 2025 | Disclosed |
| ADVANCED FILTRATION SYSTEMS INC | Manufacturing — Heavy | Self-funded | 211 | 2025 | Disclosed |
| DEUBLIN COMPANY, LLC | Manufacturing — Heavy | Self-funded | 210 | 2025 | Disclosed |
| RICHARD WOLF MEDICAL INSTRUMENTS CORPORATION | Manufacturing — Heavy | Fully insured | 210 | 2025 | Disclosed |
| MANITEX INTERNATIONAL, INC. | Manufacturing — Heavy | Fully insured | 209 | 2024 | Disclosed |
| ALLMETAL INC | Manufacturing — Heavy | Self-funded | 208 | 2025 | Disclosed |
| GENERAL GRIND & MACHINE, INC. | Manufacturing — Heavy | Self-funded | 208 | 2025 | Disclosed |
| MAGNETIC INSPECTION LABORATORY, INC. | Manufacturing — Heavy | Self-funded | 207 | 2021 | Disclosed |
| KEATS MANUFACTURING CO. | Manufacturing — Heavy | Self-funded | 205 | 2025 | Disclosed |
| DEGREEONE, LLC | Manufacturing — Heavy | Self-funded | 204 | 2022 | Disclosed |
| RICHARDSON MANUFACTURING COMPANY BENEFIT | Manufacturing — Heavy | Fully insured | 204 | 2024 | Disclosed |
| TC INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 202 | 2025 | Disclosed |
| SPIDER COMPANY, INC. | Manufacturing — Heavy | Fully insured | 202 | 2024 | Disclosed |
| MOSS INC. | Manufacturing — Heavy | Fully insured | 200 | 2025 | Disclosed |
| CAMCRAFT INC. | Manufacturing — Heavy | Self-funded | 200 | 2025 | Disclosed |
| MILLENIA PRODUCTS GROUP, INC. | Manufacturing — Heavy | Self-funded | 198 | 2021 | Disclosed |
| WEBER PACKAGING SOLUTIONS, INC. | Manufacturing — Heavy | Self-funded | 197 | 2024 | Disclosed |
| FPM, L.L.C. | Manufacturing — Heavy | Self-funded | 194 | 2025 | Disclosed |
| LB METALS, LLC | Manufacturing — Heavy | Fully insured | 194 | 2024 | Disclosed |
| W.S. DARLEY, & CO. | Manufacturing — Heavy | Self-funded | 193 | 2025 | Disclosed |
| MIDSTATE MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 192 | 2024 | Disclosed |
| ABRASIVE-FORM LLC | Manufacturing — Heavy | Fully insured | 192 | 2025 | Disclosed |
| BYSTRONIC INC. | Manufacturing — Heavy | Fully insured | 191 | 2025 | Disclosed |
| MBA BUILDING SUPPLIES INC. | Manufacturing — Heavy | Fully insured | 191 | 2024 | Disclosed |
| MOTHERBOARD EXPRESS | Manufacturing — Heavy | Self-funded | 190 | 2023 | Disclosed |
| ROYAL DIE & STAMPING CO., INC. | Manufacturing — Heavy | Self-funded | 189 | 2021 | Disclosed |
| DUKANE IAS, LLC | Manufacturing — Heavy | Self-funded | 189 | 2024 | Disclosed |
| PAXXUS, INC. | Manufacturing — Heavy | Fully insured | 188 | 2025 | Disclosed |
| OPTO INTERNATIONAL, INC | Manufacturing — Heavy | Self-funded | 187 | 2024 | Disclosed |
| GLEASON CUTTING TOOLS CORPORATION | Manufacturing — Heavy | Self-funded | 185 | 2025 | Disclosed |
| ENGIS CORPORATION | Manufacturing — Heavy | Self-funded | 185 | 2025 | Disclosed |
| EPIQ DESIGN SOLUTIONS LLC | Manufacturing — Heavy | Fully insured | 184 | 2025 | Disclosed |
| GK ENTERPRISES, INC | Manufacturing — Heavy | Self-funded | 184 | 2024 | Disclosed |
| HARTING INC OF NORTH AMERICA | Manufacturing — Heavy | Self-funded | 183 | 2025 | Disclosed |
| FLENDER CORPORATION | Manufacturing — Heavy | Self-funded | 182 | 2025 | Disclosed |
| WALKER MANUFACTURING GROUP LLC | Manufacturing — Heavy | Self-funded | 182 | 2025 | Disclosed |
| PEERLESS INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 181 | 2025 | Disclosed |
| SURGALIGN TECHNOLOGIES, INC | Manufacturing — Heavy | Self-funded | 181 | 2023 | Disclosed |
| VVF ILLINOIS SERVICES, LLC | Manufacturing — Heavy | Self-funded | 179 | 2025 | Disclosed |
| DURABLE, INC. | Manufacturing — Heavy | Fully insured | 179 | 2024 | Disclosed |
| MADISON HEALTHCARE HOLDINGS II | Manufacturing — Heavy | Self-funded | 179 | 2024 | Disclosed |
| QCC, LLC | Manufacturing — Heavy | Self-funded | 178 | 2025 | Disclosed |
| SPARKSTONE ELECTRICAL GROUP, LLC | Manufacturing — Heavy | Self-funded | 176 | 2025 | Disclosed |
| CHEMRING ENERGETIC DEVICES | Manufacturing — Heavy | Fully insured | 173 | 2024 | Disclosed |
| VAUGHAN AND BUSHNELL MANUFACTURING COMPANY | Manufacturing — Heavy | Self-funded | 173 | 2023 | Disclosed |
| DONSON MACHINE | Manufacturing — Heavy | Fully insured | 173 | 2025 | Disclosed |
| MULTITECH INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 173 | 2021 | Disclosed |
| NEVCO SPORTS, LLC | Manufacturing — Heavy | Self-funded | 173 | 2025 | Disclosed |
| IMG USA, INC. | Manufacturing — Heavy | Self-funded | 172 | 2025 | Disclosed |
| TRIANGLE PACKAGE MACHINERY COMPANY | Manufacturing — Heavy | Self-funded | 172 | 2025 | Disclosed |
| PERFECTION PLATING, INC. | Manufacturing — Heavy | Self-funded | 170 | 2024 | Disclosed |
| RED BUD INDUSTRIES INC | Manufacturing — Heavy | Self-funded | 169 | 2024 | Disclosed |
| TAUBENSEE STEEL & WIRE COMPANY | Manufacturing — Heavy | Self-funded | 168 | 2025 | Disclosed |
| H3 MANUFACTURING GROUP, LLC | Manufacturing — Heavy | Self-funded | 168 | 2025 | Disclosed |
| HYZON ABC, LLC, A DELAWARE SERIES LLC | Manufacturing — Heavy | Fully insured | 168 | 2024 | Disclosed |
| DUPAGE MACHINE PRODUCTS | Manufacturing — Heavy | Self-funded | 167 | 2024 | 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.