| TECOMET | Charlesbank Capital Partners | 741.15 |
| GE AVIATION | General Electric | 152.53 |
| BOYD CORP INC. | Goldman Sachs | 86.47 |
| TECHNICAL MANUFACTURING CORP | Ametek | 82.00 |
| PALMER MANUFACTURING CO LLC | Pursuit Aerospace | 77.80 |
| UNION SPECIALTIES INC | UNION SPECIALTIES INC | 74.09 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | 39.40 |
| PARADIGM PRECISION HOLDINGS LLC | Pursuit Aerospace | 28.51 |
| PACE INDUSTRIES - CAMBRIDGE DIV | Pace Industries | 24.98 |
| CHEMGENES CORP | CHEMGENES CORP | 18.21 |
| LUBRIZOL ADVANCED MATERIALS INC | Berkshire Hathaway | 17.30 |
| PROTO LABS INC. | PROTO LABS INC | 7.32 |
| PROTO LABS INC | PROTO LABS INC | 7.32 |
| TEI BIOSCIENCES | Integra LifeSciences | 3.53 |
| WOLLASTON ALLOYS | Consolidated Precision Products | 3.09 |
| GLOBAL COMPANIES LLC | Global Partners LP | 1.63 |
| HOLCIM - NER INC. | Holcim Group | 1.56 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | 1.44 |
| IRVING OIL TERMINALS INC. | Irving Oil | 1.27 |
| ENTEGRIS INC | Entegris | 1.22 |
| BERKSHIRE MANUFACTURED PRODUCTS INC | Pursuit Aerospace | 1.04 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | 0.66 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | 0.64 |
| BOSTIK MANUFACTURING PLANT | Arkema | 0.53 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | 0.53 |
| ANALOG DEVICES INC/WILMINGTON MANUFACTURING | Analog Devices Inc. | 0.52 |
| COVESTRO LLC | Covestro | 0.44 |
| HOLCIM - NER INC. | Holcim Group | 0.23 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | 0.23 |
| DAMPNEY CO INC | DAMPNEY CO INC | 0.15 |
| FXI INC. - NEWBURYPORT | One Rock Capital Partners | 0.12 |
| AMPHENOL APC INC | Amphenol | 0.12 |
| AVCARB MATERIAL SOLUTIONS | Arsenal Capital Partners | 0.10 |
| DUNCAN GALVANIZING CORP. | DUNCAN GALVANIZING CORP. | 0.09 |
| CHELSEA SANDWICH LLC | Global Partners LP | 0.09 |
| KENDALL GREEN ENERGY LLC | Antin Infrastructure Partners | 0.08 |
| HOLCIM - NER INC. | Holcim Group | 0.07 |
| SPECIALTY MATERIALS INC. | Global Materials | 0.07 |
| ROUSSELOT PEABODY INC. | Darling Ingredients | 0.05 |
| FLEXCON INDUSTRIES | Swan Group | 0.03 |
| MAJILITE MANUFACTURING INC | MERIDIAN INDUSTRIES INC | 0.03 |
| IDEAL TAPE CO | American Biltrite | 0.03 |
| WINCHESTER INTERCONNECT RF CORP | Aptiv PLC | 0.02 |
| LAMB & RITCHIE | LAMB & RITCHIE | 0.02 |
| BENCHMARK ELECTRONICS NH DIV | Benchmark Electronics | 0.02 |
| BENEVENTO SAND & STONE CORP | BENEVENTO SAND & STONE CORP | 0.02 |
| COLT REFINING INC | COLT REFINING INC | 0.01 |
| FM CALLAHAN & SON INC | FM CALLAHAN & SON INC | 0.01 |
| TRANSENE CO INC. | TRANSENE CO INC | 0.01 |
| HOLCIM SOLUTIONS & PRODUCTS US LLC | Holcim Group | 0.01 |
| MEDTRONIC INC | Medtronic | 0.01 |
| PCI SYNTHESIS | SK Capital Partners | 0.01 |
| EDWARDS VACUUM LLC | Atlas Copco | 0.01 |
| ANALOGIC CORP | Altaris Capital Partners | 0.01 |
| BRADFORD INDUSTRIES | Wembly Enterprises | 0.01 |
| ICP CONSTRUCTION | CPC HOLDING LLC | 0.01 |
| UNIVAR SOLUTIONS USA INC. - TEWKSBURY MA | Apollo Global Management | 0.01 |
| CALPINE FORE RIVER ENERGY CENTER LLC | Energy Capital Partners | 0.00 |
| JG MACLELLAN CONCRETE CO INC | JG MACLELLAN CONCRETE CO INC | 0.00 |
| STRAUMANN MANUFACTURING INC | STRAUMANN MANUFACTURING INC | 0.00 |
| OWENS CORNING ROOFING & ASPHALT LLC. | Owens Corning | 0.00 |
| TORROMEO INDUSTRIES INC. | TORROMEO INDUSTRIES INC | 0.00 |
| KOCH SEPARATION SOLUTIONS INC. | Koch Industries | 0.00 |
| HAARTZ CORP | HAARTZ CORP | 0.00 |
| AVEDIS ZILDJIAN CO. | AVEDIS ZILDJIAN CO | 0.00 |
| HARCROS CHEMICALS INC | Harcros Chemicals | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | 0.00 |
| TORROMEO INDUSTRIES INC | TORROMEO INDUSTRIES INC | 0.00 |
| VICOR CORP | Vicor Corp. | 0.00 |
| ITW PERFORMANCE POLYMERS | Illinois Tool Works | 0.00 |
| CLEAN HARBORS OF BRAINTREE INC. | Clean Harbors Inc. | 0.00 |
| JG MACLELLAN CONCRETE CO INC | JG MACLELLAN CONCRETE CO INC | 0.00 |
| HOLCIM - NER INC. | Holcim Group | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | 0.00 |
| MORGAN ADVANCED CERAMICS INC | Morgan Advanced Materials | 0.00 |
| GRANITE STATE CONCRETE CO INC WESTFORD | JG MACLELLAN CONCRETE CO INC | 0.00 |
| BRONZE CRAFT CORP | BRONZE CRAFT CORP | 0.00 |
| RAYTHEON CO | RTX Corporation | 0.00 |
| CIRCUIT CONNECT INC | Infinitum | 0.00 |
| HERO COATINGS INC. | HERO COATINGS INC. | 0.00 |
| MATEP LLC | Longwood Energy Partners | 0.00 |
| HOLCIM - NER INC. | Holcim Group | 0.00 |
| VERANOVA L.P. | Altaris Capital Partners | 0.00 |
| BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION | BAE Systems | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | 0.00 |
| PLATING FOR ELECTRONICS INC. | PLATING FOR ELECTRONICS INC. | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | 0.00 |
| SCULLY SIGNAL | SCULLY SIGNAL | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | 0.00 |
| ULTRA | Advent International | 0.00 |
| MURPHYS WASTE OIL SERVICES INC | Clean Harbors Inc. | 0.00 |
| AMERICAN SUPERCONDUCTOR | American Superconductor Corp. | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | 0.00 |
| INTERVALA LLC | Intervala | 0.00 |
| FIREYE INC | Carrier Global Corporation | 0.00 |
| TELEDYNE FLIR SURVEILLANCE | Teledyne Technologies | 0.00 |
| 3M CO | 3M Company | 0.00 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | 0.00 |
| SHAWSHEEN RUBBER CO INC | SHAWSHEEN RUBBER CO INC | 0.00 |
| HENKEL OF AMERICA INC. | Henkel | 0.00 |
| ITW/FOILMARK INC | Illinois Tool Works | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | 0.00 |
| RYMES - HUDSON | SUPERIOR PLUS CORP | 0.00 |
| ANDOVER HEALTHCARE INC. | Milliken | 0.00 |
| CABOT CORP | Cabot Corp. | 0.00 |
| THE GILLETTE CO LLC | Procter & Gamble | 0.00 |
| CB FISK INC | CB FISK INC | 0.00 |
| OLYMPIC ADHESIVES INC | OLYMPIC ADHESIVES INC | 0.00 |
| AOTCO METAL FINISHING LLC | AOTCO METAL FINISHING LLC | 0.00 |
| SIG SAUER INC | SIG SAUER INC | 0.00 |
| THUNDERLINE-Z | One Rock Capital Partners | 0.00 |
| ELECTRONIC PRODUCTS INC | ELECTRONIC PRODUCTS INC | 0.00 |
| RESILIENCE BOSTON INC. | NATIONAL RESILIENCE INC | 0.00 |
| INEOS STYROLUTION AMERICA LLC | Ineos | 0.00 |
| JAYBIRD & MAIS INC | JAYBIRD & MAIS INC | 0.00 |
| ANIKA THERAPEUTICS | Anika Therapeutics | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | 0.00 |
| ECKART AMERICA | Altana | 0.00 |
| CHEMTAN CO INC | CHEMTAN CO INC | 0.00 |
| ROHM & HAAS ELECTRONIC MATERIALS LLC | DuPont de Nemours | 0.00 |
| SKYWORKS SOLUTIONS INC | Skyworks Solutions | 0.00 |
| CURIA MASSACHUSETTS INC. | Aledade | 0.00 |
| MACOM TECHNOLOGY SOLUTIONS INC | M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS | 0.00 |
| ENVIRO WASTE | Clean Harbors Inc. | 0.00 |
