Best Auto Components Companies in Indiana, United States
The 95 best Auto Components companies in Indiana, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Accuride Corporation.
Ranked: Best Auto Components companies in Indiana
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Accuride Corporation Manufacturer and suppliers of wheels and wheel-end components to OEMs | $1.2B | 190 mo ago | Acquired | Robin Kendrick President & CEO | 1986 | DrupalPHPPlatform.sh+10 | 46 patents Design and manufacturing of aluminum alloy automotive wheels and related processes | 1 launch · 2 awards |
| 2 | Cummins Manufacturer of gas-powered construction equipment, fuel systems, turbochargers, and braking systems 90Market top 13%Patents top 16%Moat top 16%Innovation top 17% All 14 signals ▾Markettop 13% Patentstop 16% Moattop 16% Innovationtop 17% Fundingtop 20% Techtop 20% Producttop 20% Globaltop 30% Fin. healthtop 30% Newstop 39% Growthtop 44% Partnerstop 50% Talentbottom 48% Customersbottom 46% Market: 73,600 employees (top 1% of Energy) · Revenue ~$33.7B Patents: 6,300 patents matched (strict assignee match) · 2322 filings since 2022 vs 1954 in 2017-21 rank vs industry peers · Fliar Intelligence Index 90/100 | $285M | 8 mo ago | Public | Jennifer Rumsey CEO | 1919 | DrupalApple iCloud MailSalesforce+31 | 6,300 patents Engine combustion control, fuel delivery, and emissions aftertreatment technologies | — |
| 3 | Winona PVD Manufacturer and supplier of automotive wheels | $6M | 129 mo ago | Series A | Jamie Visker Founder | 2008 | — | 3 patents Thin-film sputter deposition processes for coating components | — |
| 4 | Supreme Corporation Manufacturer and supplier of truck bodies | $2M | 173 mo ago | Acquired | — | 1974 | — | 41 patents Patents concentrated in textiles | — |
| 5 | Decatur Plastic Products Manufacturer and suppliers of plastic products to OEMs and tier 1 | $98K | 67 mo ago | Acquired | — | 1986 | WeeblyMySQLPHP+18 | — | — |
| 6 | Auburn Gear Custom driveline systems and performance differentials for diverse industrial applications | — | 141 mo ago | Acquired | George Callas CEO | 1982 | WordPressMySQLPHP+15 | 67 patents Patents concentrated in mechanical & energy engineering | — |
| 7 | Stalcop Manufacturer of precision machined components and sub-assemblies | — | 388 mo ago | Late Stage | Tim Kerrigan CEO & President | 1981 | WordPressMySQLPHP+19 | — | — |
| 8 | Aearo Technologies Designs and manufactures thermal acoustic systems and cabin interiors | — | — | Acquired | — | 1990 | — | 3 patents Adjustable, multi-color earplugs with variable attenuation for hearing protection | — |
Top 6 Auto Components companies in Indiana
#1
Public · Columbus, Indiana · founded 1919 · 73600 employees$284.5Mraised▾
Manufacturer of gas-powered construction equipment, fuel systems, turbochargers, and braking systems. The platform offers users various diesel and natural gas-powered engines for heavy and medium-duty trucks, buses, recreational vehicles, agricultural, and construction equipment, mining, marine, oil and gas, and governmental equipment markets. In 2022, the company recorded annual revenues of $28.07B and a net profit of $2.15B.
- Sep 2025Grant (prize money)$2.1M
- Apr 2025Grant (prize money)$16.3M
- Apr 2025Grant (prize money)$2M
- Apr 2025Grant (prize money)$2.9M
#2
Acquired · Evansville, Indiana · founded 1986 · 431 employees$1.2Braised▾
Manufacturer and suppliers of wheels and wheel-end components to OEMs. Manufactures wheel and gunite for heavy- and medium-duty trucks, commercial trailers, buses, light commercial trucks, and specialty and military vehicles.
- Jul 2010Post IPO$310M
- Jul 2010Conventional Debt$75M
- Feb 2010Conventional Debt$308M
- Feb 2010Post IPO$140M
#3
Series A · Warsaw, Indiana · founded 2008$5.5Mraised▾
Manufacturer and supplier of automotive wheels
- Sep 2015Series A$5.5M
#4
Acquired · Elkhart, Indiana · founded 1974 · 276 employees$1.8Mraised▾
Supreme Corporation is a manufacturer and supplier of truck bodies. Manufactures cutaway, dry freight, refrigerated, curtain side, furniture, stake, discreet armor, full armor, and cash-in-transit for trucks.
- Jan 2012Post IPO$1.8M
#5
Acquired · North Vernon, Indiana · founded 1986 · 167 employees$98Kraised▾
Decatur Plastic Products (DPP) is a manufacturer and suppliers of plastic products to OEMs and tier 1. Manufactures body clips, lock knobs, sun visors, glove box, map pockets, sunroof seals, sunroof shades, window channel, extrusions, ABC pillars, garnish moldings, trunk compartments, interior, speaker housings, grills, seating fabrics, floor mat logos, door belt moldings, interior trim components and center console coin trays armrest compartment for automotives. Clientele includes names like Acura, Honda, Lexus, Mercedes-Benz, Nissan, Subaru and Toyota. Also caters to industries such as medical, electronics, telecommunications, packaging and institutional.
- Oct 2020Grant (prize money)$98K
#6
Acquired · Auburn, Indiana · founded 1982 · 142 employees—raised▾
Custom driveline systems and performance differentials for diverse industrial applications. The company specializes in custom-engineered driveline solutions, planetary gear drive systems, and electric drive systems. They serve original equipment manufacturers and distributors across various sectors, including agriculture, construction, specialty vehicle, material handling, and more. Their expertise lies in designing, developing, and manufacturing geared products, including limited-slip differentials and differential lockers. They offer application engineering support to ensure optimal product performance. Their capabilities encompass a full spectrum of services, from initial design and validation to testing and complete manufacturing, ensuring responsiveness and quality.
- Sep 2014Conventional Debt—
- Sep 2014PE—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Auto Components coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.