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214 manufacturing — heavy employers in Massachusetts have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $22 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Massachusetts employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| EXAGRID SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 260 | 2024 | Disclosed |
| JEFFCO FIBRES, INC. | Manufacturing — Heavy | Self-funded | 259 | 2024 | Disclosed |
| H.C. STARCK INC. | Manufacturing — Heavy | Self-funded | 255 | 2022 | Disclosed |
| H.C. STARCK INC. | Manufacturing — Heavy | Self-funded | 255 | 2023 | Disclosed |
| KINETIC ENGINE SYSTEMS | Manufacturing — Heavy | Fully insured | 246 | 2024 | Disclosed |
| AVID TECHNOLOGY, INC. | Manufacturing — Heavy | Self-funded | 245 | 2025 | Disclosed |
| CHURCHILL FORGE INC | Manufacturing — Heavy | Fully insured | 244 | 2025 | Disclosed |
| SYNQOR, INC. | Manufacturing — Heavy | Self-funded | 243 | 2024 | Disclosed |
| AVEDIS ZILDJIAN CO. | Manufacturing — Heavy | Self-funded | 240 | 2024 | Disclosed |
| FIRE EQUIPMENT, INC. | Manufacturing — Heavy | Self-funded | 240 | 2025 | Disclosed |
| CONFORMIS, INC. | Manufacturing — Heavy | Self-funded | 239 | 2023 | Disclosed |
| VULCANFORMS, INC. | Manufacturing — Heavy | Self-funded | 235 | 2024 | Disclosed |
| EMS ENGINEERED MATERIALS SOLUTIONS, LLC | Manufacturing — Heavy | Self-funded | 233 | 2025 | Disclosed |
| DESKTOP LABS | Manufacturing — Heavy | Self-funded | 233 | 2023 | Disclosed |
| AMERICAN SUPERCONDUCTOR CORPORATION | Manufacturing — Heavy | Self-funded | 232 | 2025 | Disclosed |
| LENZE AMERICAS | Manufacturing — Heavy | Self-funded | 232 | 2025 | Disclosed |
| BLAUER MANUFACTURING COMPANY, INC. | Manufacturing — Heavy | Self-funded | 231 | 2024 | Disclosed |
| HARMONIC DRIVE, LLC | Manufacturing — Heavy | Self-funded | 229 | 2025 | Disclosed |
| UNITED ELECTRIC CONTROLS COMPANY | Manufacturing — Heavy | Self-funded | 224 | 2025 | Disclosed |
| DAVID CLARK COMPANY INCORPORATED | Manufacturing — Heavy | Self-funded | 221 | 2024 | Disclosed |
| YALE APPLIANCE AND LIGHTING | Manufacturing — Heavy | Self-funded | 218 | 2025 | Disclosed |
| ASSOCIATES OF CAPE COD, INC. | Manufacturing — Heavy | Self-funded | 218 | 2025 | Disclosed |
| METALOR TECHNOLOGIES USA | Manufacturing — Heavy | Fully insured | 217 | 2024 | Disclosed |
| SPECTRUM LIGHTING, INC. | Manufacturing — Heavy | Self-funded | 216 | 2025 | Disclosed |
| SYMMONS INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 212 | 2024 | Disclosed |
| AFFINITY GROUP, INC. | Manufacturing — Heavy | Self-funded | 207 | 2024 | Disclosed |
| ANIKA THERAPEUTICS, INC. | Manufacturing — Heavy | Self-funded | 206 | 2025 | Disclosed |
| CONNELL LIMITED PARTNERSHIP | Manufacturing — Heavy | Self-funded | 204 | 2023 | Disclosed |
| HARVARD BIOSCIENCE, INC. | Manufacturing — Heavy | Self-funded | 193 | 2025 | Disclosed |
| CHEER PACK NORTH AMERICA, LLC | Manufacturing — Heavy | Self-funded | 192 | 2025 | Disclosed |
| PACIFIC ERIN OPCO, LLC | Manufacturing — Heavy | Self-funded | 185 | 2024 | Disclosed |
| CATAPULT SPORTS LLC | Manufacturing — Heavy | Self-funded | 183 | 2022 | Disclosed |
| ONSET COMPUTER CORPORATION EMPLOYEE BENEFITS PLAN | Manufacturing — Heavy | Fully insured | 178 | 2024 | Disclosed |
| MYOMO, INC. | Manufacturing — Heavy | Self-funded | 177 | 2024 | Disclosed |
| AMBRI, INC. | Manufacturing — Heavy | Self-funded | 175 | 2023 | Disclosed |
| BFLY OPERATIONS, INC. | Manufacturing — Heavy | Self-funded | 175 | 2025 | Disclosed |
| REXA, INC. | Manufacturing — Heavy | Self-funded | 172 | 2025 | Disclosed |
| PRIMO MEDICAL GROUP, INC. | Manufacturing — Heavy | Self-funded | 171 | 2025 | Disclosed |
| J&E PRECISION TOOL HOLDINGS, LLC | Manufacturing — Heavy | Self-funded | 171 | 2025 | Disclosed |
| FIBA TECHNOLOGIES, INC | Manufacturing — Heavy | Self-funded | 170 | 2024 | Disclosed |
| NE-XT TECHNOLOGIES CORP. | Manufacturing — Heavy | Self-funded | 167 | 2025 | Disclosed |
| DOUBLE E COMPANY, LLC | Manufacturing — Heavy | Self-funded | 166 | 2018 | Disclosed |
| TITEFLEX COMMERCIAL INC | Manufacturing — Heavy | Self-funded | 164 | 2025 | Disclosed |
| BELMONT INSTRUMENT LLC | Manufacturing — Heavy | Fully insured | 163 | 2025 | Disclosed |
| HENKE SASS WOLF OF AMERICA, INC. | Manufacturing — Heavy | Self-funded | 163 | 2025 | Disclosed |
| KIRWAN SURGICAL PRODUCTS LLC | Manufacturing — Heavy | Self-funded | 163 | 2024 | Disclosed |
| BULLDOG FIRE APPARATUS, INC. | Manufacturing — Heavy | Self-funded | 162 | 2025 | Disclosed |
| OMNI SERVICES | Manufacturing — Heavy | Self-funded | 161 | 2025 | Disclosed |
| BETE FOG NOZZLE, INC. | Manufacturing — Heavy | Self-funded | 160 | 2024 | Disclosed |
| INFOVISTA CORPORATION | Manufacturing — Heavy | Self-funded | 160 | 2022 | Disclosed |
| ASHWORTH BROS., INC. | Manufacturing — Heavy | Fully insured | 159 | 2024 | Disclosed |
| BYRNA TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 159 | 2025 | Disclosed |
| V.H. BLACKINTON AND CO., INC. | Manufacturing — Heavy | Self-funded | 153 | 2025 | Disclosed |
| MYCRONIC, INC. | Manufacturing — Heavy | Self-funded | 153 | 2025 | Disclosed |
| IMA NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 152 | 2024 | Disclosed |
| KOPIN CORPORATION | Manufacturing — Heavy | Self-funded | 151 | 2024 | Disclosed |
| NEW ENGLAND WIRE PRODUCTS, INC | Manufacturing — Heavy | Fully insured | 150 | 2024 | Disclosed |
| DEERFIELD PACKAGING SERVICE, INC. | Manufacturing — Heavy | Fully insured | 148 | 2024 | Disclosed |
| GTR MANUFACTURING CORP | Manufacturing — Heavy | Self-funded | 146 | 2024 | Disclosed |
| NORTH ATLANTIC SHIP REPAIR | Manufacturing — Heavy | Self-funded | 145 | 2021 | Disclosed |
| SCHEIDT & BACHMANN USA, INC. | Manufacturing — Heavy | Self-funded | 145 | 2024 | Disclosed |
| DOUBLE E COMPANY, LLC | Manufacturing — Heavy | Fully insured | 145 | 2025 | Disclosed |
| DELTA ELECTRONICS MANUFACTURING CORP. | Manufacturing — Heavy | Fully insured | 141 | 2025 | Disclosed |
| SEURAT TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 141 | 2024 | Disclosed |
| ATLANTIC SINTERED | Manufacturing — Heavy | Self-funded | 139 | 2024 | Disclosed |
| MEDICA CORPORATION | Manufacturing — Heavy | Self-funded | 137 | 2025 | Disclosed |
| SPRUCE ENVIRONMENTAL TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 135 | 2024 | Disclosed |
| THE OCTOBER COMPANY INC | Manufacturing — Heavy | Fully insured | 133 | 2024 | Disclosed |
| JAMES MONROE WIRE & CABLE CORPORATION | Manufacturing — Heavy | Self-funded | 132 | 2025 | Disclosed |
| BOSTON ELECTROMETALLURGICAL CORPORATION | Manufacturing — Heavy | Self-funded | 132 | 2023 | Disclosed |
| PLANSEE USA, LLC | Manufacturing — Heavy | Self-funded | 132 | 2025 | Disclosed |
| GREENE RUBBER | Manufacturing — Heavy | Self-funded | 129 | 2024 | Disclosed |
| ALPHA GRAINGER MFG., INC. | Manufacturing — Heavy | Fully insured | 125 | 2025 | Disclosed |
| DFF CORPORATION | Manufacturing — Heavy | Self-funded | 123 | 2023 | Disclosed |
| PERSIMMON TECHNOLOGIES CORPORATION | Manufacturing — Heavy | Self-funded | 123 | 2024 | Disclosed |
| PI PHYSIK INSTRUMENTE L.P. | Manufacturing — Heavy | Self-funded | 123 | 2025 | Disclosed |
| LAWTON WELDING CO., INC. | Manufacturing — Heavy | Self-funded | 121 | 2024 | Disclosed |
| SOLMETEX, LLC | Manufacturing — Heavy | Self-funded | 121 | 2024 | Disclosed |
| KROHNE, INC. | Manufacturing — Heavy | Self-funded | 120 | 2025 | Disclosed |
| IWAKI AMERICA, INC. | Manufacturing — Heavy | Self-funded | 117 | 2024 | Disclosed |
| HAMILTON THORNE, INC. | Manufacturing — Heavy | Self-funded | 116 | 2025 | Disclosed |
| MERCURY WIRE PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 115 | 2025 | Disclosed |
| RIVERDALE MILLS CORPORATION | Manufacturing — Heavy | Self-funded | 115 | 2021 | Disclosed |
| BREAKAWAY RETAIL ENTERPRISES, INC. DBA MANNYS APPLIANCES | Manufacturing — Heavy | Self-funded | 115 | 2024 | Disclosed |
| DESKTOP METAL, INC. | Manufacturing — Heavy | Self-funded | 115 | 2024 | Disclosed |
| KEYSTONE DENTAL, INC. | Manufacturing — Heavy | Self-funded | 114 | 2024 | Disclosed |
| DIVERSIFIED TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 114 | 2024 | Disclosed |
| VACUUM TECHNOLOGY ASSOCIATES INC. | Manufacturing — Heavy | Self-funded | 112 | 2025 | Disclosed |
| MICRON PRODUCTS, INC. | Manufacturing — Heavy | Self-funded | 111 | 2024 | Disclosed |
| MAGELLAN AEROSPACE HAVERHILL, INC. | Manufacturing — Heavy | Self-funded | 110 | 2022 | Disclosed |
| SENKO ADVANCED COMPONENTS, INC | Manufacturing — Heavy | Self-funded | 110 | 2024 | Disclosed |
| LUTCO, INC. | Manufacturing — Heavy | Self-funded | 108 | 2025 | Disclosed |
| ANNA CARZELLO | Manufacturing — Heavy | Fully insured | 107 | 2022 | Disclosed |
| MURATA POWER SOLUTIONS | Manufacturing — Heavy | Self-funded | 105 | 2025 | Disclosed |
| ENERGETIQ TECHNOLOGY, INC. | Manufacturing — Heavy | Fully insured | 103 | 2025 | Disclosed |
| CURTIS INDUSTRIES, LLC | Manufacturing — Heavy | Fully insured | 101 | 2022 | Disclosed |
| NOVA VENTURES GROUP CORP. | Manufacturing — Heavy | Fully insured | 101 | 2024 | Disclosed |
| EDGE ONE, LLC | Manufacturing — Heavy | Self-funded | 100 | 2025 | Disclosed |
| AGRIFY CORPORATION | Manufacturing — Heavy | Self-funded | 100 | 2023 | Disclosed |
| TRANSOM POST OPCO, LLC | Manufacturing — Heavy | Self-funded | 100 | 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.