These Iowa companies with in-house R&D are primarily large firms, including several higher education institutions and manufacturers. The University of Iowa, with 14,628 employees, is a public research university offering diverse activities. Iowa State University focuses on student-centered research, while B/E Aerospace designs and manufactures aircraft cabin systems. Rockwell Collins provides flight deck avionics and mission communications, and Pella Corporation innovates in windows and doors.
A significant cluster of aerospace component manufacturing companies, such as B/E Aerospace and Rockwell Collins, are headquartered in Cedar Rapids. Other prominent industries include higher education and agricultural/industrial equipment manufacturing, with Vermeer Corporation producing tough yellow iron. The presence of companies like Workiva, a software development firm, indicates a growing technology sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
University of Iowajobs.uiowa.edu
Top public research university in Iowa with diverse community and advanced technology, offering cultural, educational, and recreational activities on a scenic campus |
14,628 | |||
| 2 |
Iowa State Universityiastate.edu
Most student-centered public research university in the nation, focusing on research for its students. |
12,561 | |||
| 3 |
B/E Aerospacertx.com
Design, develop, manufacture aircraft cabin seating, lighting, oxygen, galley, water, waste, lavatory systems, plus customization and certification services. |
9,969 | |||
| 4 |
Rockwell Collinsrtx.com
Provider of flight deck avionics, cabin electronics, mission communications, and simulation services for commercial and military aviation customers worldwide. |
7,957 | |||
| 5 |
University of Iowa Health Careuihealthcare.org
Academic medical center delivering innovative education, pioneering research, and exceptional patient care with a focus on collaboration and equity. |
6,789 | |||
| 6 |
Pella Corporationpella.com
This company innovates, designs, builds, and delivers high-quality windows and doors with integrity, pride, and a focus on perfection |
5,011 | |||
| 7 |
Workivaworkiva.com
Provides a secure, audit-ready, AI-powered collaborative platform for finance, accounting, sustainability, risk, and audit teams to connect data and unify processes. |
3,297 | |||
| 8 |
Vermeer Corporationvermeer.com
A leading manufacturer of agricultural and industrial equipment, designing, building, and supporting tough yellow iron to help customers worldwide |
2,574 | |||
| 9 |
Integrated DNA Technologiesidtdna.com
Provider of genomics products and services collaborating with scientific and health partners to accelerate breakthroughs and improve human health. |
1,749 | |||
| 10 |
Musco Lightingmusco.com
A leading company specializing in designing and manufacturing sports and transportation lighting systems globally, with a track record of innovation since 1976 |
1,274 | |||
| 11 |
VIDAvidalung.ai
Healthcare technology company modernizing lung and respiratory care through AI-enabled software solutions, clinical trial services, and collaboration with industry thought leaders and healthcare organizations |
1,230 | |||
| 12 |
Palmer College of Chiropracticpalmer.edu
The company is a chiropractic college that helps students become successful practitioners through a rigorous curriculum and hands-on experience |
935 | |||
| 13 |
EFCO Forming & Shoring Solutionsefcoforms.com
EFCO provides safe, reliable, and cost-efficient concrete formwork solutions for construction projects, focusing on efficiency, quality, and customer service |
930 | |||
| 14 |
SciPlaysciplay.com
Leading developer and publisher of digital games offering highly entertaining free-to-play games on mobile and web platforms worldwide |
826 | |||
| 15 |
CCC (Compressor Controls Corporation)process.honeywell.com
Leader in Turbomachinery Train Optimization Services for Oil & Gas industries, providing expertise in process optimization, plant efficiency, and safety |
593 | |||
| 16 |
Future Foam, Inc.futurefoam.com
A global foam producer, OEM supplier, and retail company, specializing in manufacturing innovative foam materials tailored to customer specifications since 1958 |
520 | |||
| 17 |
Albaugh, LLCalbaugh.com
A leading supplier of post-patent crop protection products, seed treatments, and specialty products with global operations and a wide product portfolio |
497 | |||
| 18 |
Crystal Groupcrystalrugged.com
Leading designer, manufacturer, and integrator of rugged servers, displays, storage devices, networking, and embedded devices for critical military and industrial environments Employee-owned and operated |
423 | |||
| 19 |
Grain Processing Corporationgrainprocessing.com
Leading manufacturer and marketer of corn-based products for food, pharmaceutical, personal care, industrial use, animal feed, pet care, and various other industries |
415 | |||
| 20 |
Dee Zee, Incdeezee.com
Manufacturer of durable, functional, and stylish truck accessories since 1977 Committed to eco-friendly practices and made in America with OEM partnerships |
413 | |||
| 21 |
Ames National Laboratoryameslab.gov
A national laboratory focused on solving energy-related problems through exploration of physics, chemistry, engineering, mathematics, and materials sciences |
366 | |||
| 22 |
Rosenboom Machine & Toolrosenboom.com
A progressive manufacturer specializing in custom hydraulic cylinders for OEMs in various industries, with facilities in US and China Seeking skilled individuals |
351 | |||
| 23 |
Sears Seatingsearsseating.com
A leading manufacturer of suspension and non-suspension seating systems for various industries, supplying major companies worldwide with proprietary products |
348 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 24 |
Trans Ovatransova.com
Leader in bovine reproductive technologies, offering services like embryo transfer, IVF, sexed-semen, genetic preservation, and cloning to advance cattle genetics globally |
334 | |||
| 25 |
CIVCO Medical Solutionscivco.com
Medical technology company with 35+ years experience specializing in ultrasound accessories for diagnostic imaging, infection control, and needle guidance solutions |
329 | |||
| 26 |
Weilerweilerproducts.com
Manufacturing paving equipment based on proven designs, Weiler works closely with contractors to provide efficient products for completing projects |
282 | |||
| 27 |
Ag Leader Technologyagleader.com
A leader in precision agriculture technology, providing complete solutions to help farmers plan, plant, apply, and harvest more accurately and profitably |
273 | |||
| 28 |
Kinze Manufacturing, Inc.kinze.com
Agricultural technology leader dedicated to producing reliable row crop equipment, including planters and grain carts, while fostering employee growth and innovation |
267 | |||
| 29 |
University of Iowa College of Dentistry and Dental Clinicsdentistry.uiowa.edu
The company advances oral health through education, research, and person-centered care for the people of Iowa and beyond |
249 | |||
| 30 |
TriMarktrimarkcorp.com
A leading manufacturer of quality hardware products for various industries with expertise in design, manufacturing, and engineering services for global customers |
240 | |||
| 31 |
MB Elettronicambelettronica.com
Designing, developing, and assembling electronic boards and devices, including integration and testing. Specializing in rail, security, aerospace, and communications sectors, with prototyping and after-sales support. |
218 | |||
| 32 |
ALMACOalmaco.com
Provider of customized automation equipment for agricultural research, prioritizing after-sales client support to meet evolving global research needs |
212 | |||
| 33 |
Van Diest Supply Companyvdsc.com
Agricultural supply company distributing, manufacturing, and providing services to the crop protection industry across the Midwest, offering various career opportunities |
212 | |||
| 34 |
Katecho, LLCkatecho.com
Internationally recognized OEM specializing in medical and cosmetic devices, offering engineering, manufacturing, regulatory support, and logistics services with a focus on innovation and quality |
210 | |||
| 35 |
Fort Dodge Animal Healthwyeth.com
Manufacturer of animal health products for livestock, companion animals, equine, swine, and poultry industries worldwide. Dedicated to research, development, and delivery of innovative products. |
198 | |||
| 36 |
Eurofins US Food, Feed, & Supplement Testingeurofinsus.com
Commercial testing laboratories offering comprehensive food safety testing services, specializing in a range of laboratory testing methods for various industries in the United States |
160 | |||
| 37 |
Mi-T-M Corporationmitm.com
Leading manufacturer of high-quality industrial equipment including pressure washers, generators, and air compressors, engineered for performance and dependability in Iowa |
131 | |||
| 38 |
CEIA S.p.A.ceia.net
This company manufactures high-tech electromagnetic inspection and induction heating equipment, with all research, development, engineering, and production activities performed entirely in-house. |
115 | |||
| 39 |
Doerfer Companiesdoerfer.com
Global provider of engineering and manufacturing solutions for material handling, robotics, process development, and contract equipment across various industries like healthcare, automotive, and consumer goods |
94 | |||
| 40 |
SEKISUI Aerospace / Orange City Operationssekisuiaerospace.com
A leading aerospace manufacturer specializing in designing, testing, and manufacturing composite products for the industry, continually driving innovation and customer satisfaction |
90 | |||
| 41 |
FarmChemfarmchem.com
A company dedicated to providing equipment and services for crop input manufacturers and dealers, offering industry-leading distribution services and innovative products |
78 | |||
| 42 |
EZ Way, Inc.linktr.ee
A US manufacturer and distributor of safe patient handling and bathing equipment, offering a wide range of products and providing top-notch customer service |
63 | |||
| 43 |
Mobile Track Solutionsmobiletracksolutions.com
A construction-grade equipment manufacturing company in Iowa delivering quality and cost-effective solutions, with a focus on heavy equipment challenges |
47 | |||
| 44 |
Polymer Engineering Corporationpolymerengineering.net
Specializing in design engineering and precision manufacturing of critical sealing materials and plastic components, a recognized leader in the industry |
12 | |||
| 45 |
UMC ReTechumcretech.com
A leading supplier of OEM quality remanufactured and new aftermarket automotive parts, offering hybrid problem solving products for drivetrain, brake, and fuel systems |
5 | |||
| 46 |
Vermeer Corporationvermeercorporation.org
A global manufacturer of agricultural and industrial equipment focused on empowering customers and communities with innovative solutions and a strong commitment to values |
1 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
More company lists in Iowa
- The largest companies in Iowa 695
- Manufacturers in Iowa 88
- Education providers in Iowa 86
- Critical infrastructure operators in Iowa 69
- Financial services firms in Iowa 69
- Multinational companies in Iowa 63
- Retail chains in Iowa 57
- Higher Education companies in Iowa 53
- Hospitals and Health Care companies in Iowa 51
- Public sector organisations in Iowa 49
- Healthcare providers in Iowa 47
- Hardware manufacturers in Iowa 43
- Family-owned companies in Iowa 42
- Insurance companies in Iowa 38
- Financial Services companies in Iowa 34
- Companies with a mobile app in Iowa 30
- Construction companies in Iowa 28
- Machinery Manufacturing companies in Iowa 28
- Corporate groups and holding companies in Iowa 28
The same list elsewhere in United States
- Companies with in-house R&D in the United States 6,794
- Companies with in-house R&D in California 1,272
- Companies with in-house R&D in Texas 442
- Companies with in-house R&D in New York State 418
- Companies with in-house R&D in Massachusetts 396
- Companies with in-house R&D in Illinois 322
- Companies with in-house R&D in Michigan 286
- Companies with in-house R&D in Ohio 277
- Companies with in-house R&D in Pennsylvania 255
- Companies with in-house R&D in New Jersey 223
- Companies with in-house R&D in Florida 221
- Companies with in-house R&D in Alabama 218
- Companies with in-house R&D in Georgia 173
- Companies with in-house R&D in Virginia 166
- Companies with in-house R&D in North Carolina 158
- Companies with in-house R&D in Wisconsin 154
- Companies with in-house R&D in Minnesota 146
- Companies with in-house R&D in Washington State 140
- Companies with in-house R&D in Colorado 113
- Companies with in-house R&D in Maryland 107
- Companies with in-house R&D in Indiana 104
- Companies with in-house R&D in New York 223
- Companies with in-house R&D in San Francisco 147
- Companies with in-house R&D in Houston 129