Indiana is a hub for manufacturing companies thanks to a hearty pipeline of talent from local universities, an abundance of local resources and a strong supply chain network for moving materials as needed. Companies assembling technological innovations in semiconductors and AI operate alongside industrial manufacturers and a sizable automotive industry in the region.
Roughly a quarter of Indiana’s economic output comes from its manufacturing sector, ensuring a high concentration of manufacturing jobs in the state. Indianapolis in particular boasts a vibrant business scene, with various innovation districts and a connected, central location that’s home to many manufacturing sites. Its affordability is also a key driver for many businesses establishing operations in the city.
From auto parts builders to food supply developers, read on below for more details on manufacturing businesses that have made a home for themselves in Indianapolis.
Top Manufacturing Companies in Indianapolis
- O’Neal Manufacturing Services
- Marian Inc
- Kingmaker Foods
- Estes Design & Manufacturing
- Kennedy Tank and Manufacturing
- Milltronics
- Dana Incorporated
- Auburn Plastics & Machining
- SignCraft
- Aero Industries
Top Manufacturing Companies in Indianapolis
Aero Industries serves the transportation industry, providing custom tarp systems for flatbed, refuse and agriculture trailers. It also manufactures accessories such as toolboxes, bulkheads, aerodynamic solutions and undermount boxes to help improve storage space, security and fuel savings.
Auburn Plastics & Machining develops various sheet, plate, rod, tube, tubing and rubber materials. The Indianapolis-based company has produced thousands of custom parts for hundreds of industries since its inception in 1967. Its services include fabrication, distribution, product displays, cutting and prototyping.
Marian Inc is a custom manufacturing company headquartered in Indianapolis with 13 global locations. Its services span die cutting, slitting, prototyping, laminating, assembly and beyond. Developing materials like acoustic mesh, acrylic foam tapes and various films and plastics, Marian’s solutions go toward products like electric vehicle batteries, medical wearables and consumer electronics.
Milltronics focuses on providing full lifecycle support for computer numerical control, or CNC, machines. It serves precision machining customers by designing and building CNC controls and toolroom machines for production environments. Milltronics’ milling and turning machines are custom-configured and offer conversational programming capabilities and high-speed capacity.
Kennedy Tank specializes in fabricating custom tanks, pressure vessels and heat exchangers. The company also offers field services, including erecting tanks and repairing boilers, tanks and heat exchangers. It also performs day-to-day plant maintenance tasks.
O’Neal Manufacturing Services caters to original equipment manufacturers in the material handling, construction, rail, energy and elevator industries from its Indianapolis facility. The company specializes in metal fabrications and welded assemblies, offering services ranging from laser, plasma and oxy fuel cutting to computer numerical control machining and angle line processing.
Kingmaker Foods works to produce safe, high-quality and fresh food products at its manufacturing facilities. Offering liquid and dry facilities, Kingmaker provides private-label services that allow brands to develop exclusive formulations and package their products, such as sauces, dressings, food coatings, seasoning blends and beverages, under their own labels.
Estes Design & Manufacturing delivers metal fabrication services. The company offers original equipment manufacturers capabilities across custom sheet metal fabrication, 3D laser welding, computer numerical control machining and rapid sheet metal prototyping. Estes counts organizations in aerospace, medical, renewable energy, HVAC and office furniture among its customers.
Dana Incorporated is an auto parts manufacturer focused on drivetrain and propulsion components for traditional, hybrid and electric vehicles. The company has a team of over 25,000 people spread across 20 countries working to advance drive and motion systems, thermal and sealing technologies and power management solutions.
SignCraft builds custom signage solutions, including digital and handcrafted displays, to help brands increase their visibility. It provides multiple sign types, including awnings, channel letters and neon signs, serving various business types such as restaurants, educational institutions and banks.
