| KEKace Enterprises LLC | Hamden, CT | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| KKKathies Kitchen LLC | North Haven, CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| KCKemper Corporation | West Haven, CT | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| KIKrell Industries LLC | Orange, CT | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| LTLab Threads & Gear Works, INC. | Yalesville, CT | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| LJLamarche Jr LLC | Meriden, CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| LSL Suzio Concrete Company | Milford, CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLunker City Fishing Specialties | Meriden, CT | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| LWL. W. Seecamp Company, INC. | Milford, CT | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| MFMarlin Firearms CO | North Haven, CT | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| MPMdm Products, LLC | Milford, CT | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| MLMidget Louver | Milford, CT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MMMikco Manufacturing Technology, INC. | Wallingford, CT | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| MLMilbar Labs, INC. | East Haven, CT | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| MAMilford Automatics INC | Milford, CT | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| MBMlk Business Forms, INC. | New Haven, CT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MBModern Bakery LLC | Meriden, CT | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| MIMonticel, INC. | Guilford, CT | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| MPMulti Prints, INC. | Meriden, CT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| NENantucket Embroidery Company | Milford, CT | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| NENew England Orthotic and Prosthetic Systems, LLC | Branford, CT | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| NHNew Haven Windustrial Company | Hamden, CT | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| NRNineteen Realty LLC | West Haven, CT | Food Manufacturing311412 | — | ◇ UNVERIFIED |
| NCNorth Country Boatworks LLC | Milford, CT | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| NSNortheast Sign Company LLC | North Haven, CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NTNortheast Thermography | Wallingford, CT | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| NMNylo Metal Finishing, LLC | Meriden, CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OCOSDA Contract Services INC | Milford, CT | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| PHParker Hannifin | North Haven, CT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation, Apbu Dodge Ave | North Haven, CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PAPlastic Assembly Systems, LLC | Bethany, CT | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| PTPlastic Tool Systems, INC. | Milford, CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PRPlatt & Read Corporation | Branford, CT | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| PMPre-bilt Mfg LLC | Branford, CT | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
 Precision Engineering Laboratories | Branford, CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PTPrestige Tool Manufacturer, LLC | Milford, CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PCPrinting Co., INC. | Hamden, CT | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| PSProtein Sciences CORP | Meriden, CT | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| PTPyramid Time Systems Holdings LLC | Meriden, CT | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| QIQtran, INC. | Milford, CT | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| QDQuality Design & Manufacturing,llc | North Branford, CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RSRdc Sheet Metal Company, INC. | Bethany, CT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| RPR&d Precision, INC. | Wallingford, CT | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| RResearchtool | Guilford, CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RMRichard Montanari Jr. | North Haven, CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RTRist/ama Truck Terminal | North Branford, CT | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RTRostra Tool Company, INC. | Branford, CT | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| RIRpa INC | Hamden, CT | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| RLRubber Labels USA LLC | Milford, CT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RPRussell Partitions, LLC | North Haven, CT | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
