| PTPaul's Terre Haute | Terre Haute | IN | Fabricated Metal Product Manufacturing332439 | 1-19 | ◐ LIKELY ACTIVE |
| PIPCI Indianapolis Prefab (550) | Anderson | IN | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| PIPenway INC | Edinburgh | IN | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| PPPerfection Products Inc | Lebanon | IN | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 1 | Columbia City | IN | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| P2Plant 2 | Fort Wayne | IN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| P6Plant 6 | Goshen | IN | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| PIPlymouth IN - Valmont Telecommunications, Inc. | Plymouth | IN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PFPortland Forge - Portland, IN | Portland | IN | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| PHPrecision Heat Treating Corporation | Fort Wayne | IN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PMPrecision Machined Products LLC | Kendallville | IN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PPPrecision Processes Division | Walkerton | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PSPrecision Stamping Inc. | Elkhart | IN | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| PIPrickett Investments LLC | Amboy | IN | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| PPProduction Paint Stripping - Batesville | Batesville | IN | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| PLPro-Flex, LLC | Hillsboro | IN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| PEPyrotek Evansville | Evansville | IN | Fabricated Metal Product Manufacturing332311 | 1-19 | ◐ LIKELY ACTIVE |
| QMQuality Machine & Tool Works, Inc. | Columbus | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RPRBC Plymouth | Plymouth | IN | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| RIRC Industries | Elkhart | IN | Fabricated Metal Product Manufacturing332439 | 100-499 | ◐ LIKELY ACTIVE |
| RCR & C Machining LLC | Columbia City | IN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| RMReber Machine and Tool Co., Inc | Muncie | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RRRegal Rexnord | Monticello | IN | Fabricated Metal Product Manufacturing332991 | 100-499 | ◐ LIKELY ACTIVE |
| RTReliable Tool and Machine, Inc | Kendallville | IN | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| RCREM Chemicals RU3 IN | Merrillville | IN | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| RDRepublic Diesel Truck Shop | Sellersburg | IN | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| RMRichmond Metal Stamping | Richmond | IN | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| RCRieke Corporation- Auburn | Auburn | IN | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| RLRiepen LLC | Warsaw | IN | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| RLRiepen LLC dba Danco Medical | Warsaw | IN | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
Rs Hughes CO INC | Indianapolis | IN | Fabricated Metal Product Manufacturing332510 | — | ▲ REPORTED CLOSED |
| RTRTC Threaders, LLC - Subsidiary of Threaded Fasteners, Inc | Churubusco | IN | Fabricated Metal Product Manufacturing332722 | 1-19 | ◐ LIKELY ACTIVE |
| RRubbermaid-Fisheres | Fishers | IN | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| RRubbermaid-Muncie | Muncie | IN | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| SFSafe Fleet Mirrors | Elkhart | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SGSafeWay Garage Doors LLC WA | Warsaw | IN | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| SSSample Street | South Bend | IN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| SMSandin Mfg., LLC | Michigan City | IN | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| SISanlo Inc | Michigan City | IN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| SCSDFMP Contech Engineered Solutions LLC | Mitchell | IN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| SJS & J Precision a Jewett Automation Company | New Albany | IN | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| SISmco INC | Elkhart | IN | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| SMSnavelys Machine & Manufacturing CO INC | Peru | IN | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| SBSouth Bend Manufacturing Plant | South Bend | IN | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| SMSouthwark Metal Indianapolis Division | Mccordsville | IN | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SWSouthwest Welding LLC | Wakarusa | IN | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| SPSpaceGuard Products | Seymour | IN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| SMSpencer Machine & Tool Company, Inc. | Jeffersonville | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SMSp Machine LLC | Markle | IN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SStafco | Columbia City | IN | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |