| # | Company | Employees |
|---|---|---|
| 1 |
B/E Aerospacertx.com
Design, develop, manufacture aircraft cabin seating, lighting, oxygen, galley, water, waste, lavatory systems, plus customization and certification services. |
9,969 |
| 2 |
Rockwell Collinsrtx.com
Provider of flight deck avionics, cabin electronics, mission communications, and simulation services for commercial and military aviation customers worldwide. |
7,957 |
| 3 |
HNI Corporationhnicorp.com
Manufacturing and supplying high-quality office and home furniture products, focusing on innovation, customer service, and continuous improvement. |
5,248 |
| 4 |
Vermeer Corporationvermeer.com
A leading manufacturer of agricultural and industrial equipment, designing, building, and supporting tough yellow iron to help customers worldwide |
2,574 |
| 5 |
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 |
| 6 |
National Carwash Solutionsncswash.com
A leading provider in the vehicle care industry, offering full-service fluids, systems, and aftermarket support backed by a large service network |
983 |
| 7 |
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 |
| 8 |
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 |
| 9 |
Owner Revolutionownerrevolution.com
An Iowa-based employee-owned holding company with a subsidiary specializing in manufacturing commercial and industrial ultrasonic cleaning equipment globally |
549 |
| 10 |
Indian Motorcycle Companyindianmotorcycle.com
A historic motorcycle company, serving riders who value independence and individuality since 1901 |
542 |
| 11 |
Tactacamtactacam.com
Tactacam is a rapidly growing leader in outdoor camera technology, delivering top-quality products to over 500,000 customers worldwide Passionate about innovation and adventure |
426 |
| 12 |
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 |
| 13 |
PPI - Precision Pulley & Idlerppi-global.com
An employee-owned company founded in 1977, specializing in high-performance conveyor components, competitive pricing, and exceptional customer service worldwide |
368 |
| 14 |
Cobham Mission Systemseaton.com
A leading provider of aerospace systems and services, specializing in power management, electrical technologies, and solutions for commercial and military aircraft worldwide |
359 |
| 15 |
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 |
| 16 |
Sears Seatingsearsseating.com
A leading manufacturer of suspension and non-suspension seating systems for various industries, supplying major companies worldwide with proprietary products |
348 |
| 17 |
A.Y. McDonald Mfg. Co.aymcdonald.com
Manufacturer of water works valves, natural gas valves, and water pumping systems with a tradition of quality, honesty, and excellent customer service since 1856 |
329 |
| 18 |
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 |
| 19 |
Windsor Windows and Doorswindsorwindows.com
A national manufacturer of premium windows and patio doors, offering custom-built products in wood, PVC, and vinyl for residential, commercial, and historical applications |
316 |
| 20 |
Stellarstellarindustries.com
A leading manufacturer of innovative work trucks, trailers, and accessories with a strong focus on quality, productivity, employee-ownership, and career growth opportunities |
294 |
| 21 |
Weilerweilerproducts.com
Manufacturing paving equipment based on proven designs, Weiler works closely with contractors to provide efficient products for completing projects |
282 |
| 22 |
Intoxalockintoxalock.com
A company based in Des Moines, Iowa, specializing in alcohol monitoring devices and ignition interlock technology, utilizing cutting-edge fuel cell technology |
273 |
| 23 |
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 |
| 24 |
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 |
| 25 |
Marshalltownmarshalltown.com
A leading manufacturer of innovative construction tools and equipment, designing high-performance products with over 130 years of craftsmanship in the USA |
256 |
| 26 |
TriMarktrimarkcorp.com
A leading manufacturer of quality hardware products for various industries with expertise in design, manufacturing, and engineering services for global customers |
240 |
| 27 |
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 |
| 28 |
ALMACOalmaco.com
Provider of customized automation equipment for agricultural research, prioritizing after-sales client support to meet evolving global research needs |
212 |
| 29 |
GOMACO Corporationgomaco.com
A global leader in concrete construction equipment, offering a wide range of machinery for various paving applications worldwide through a distributor network |
144 |
| 30 |
XL Specialized Trailersxlspecializedtrailer.com
manufacturer of heavy haul and specialized trailers serving construction, agriculture, energy, oil, gas, and custom trailer markets |
132 |
| 31 |
Dai hoc Giao Th么ng V芒n Taifacebook.com
Sporting goods company located in Des Moines, IA, specializing in athletic manufacturing (20 words) |
125 |
| 32 |
Cemen Techcementech.com
Empowering concrete control through volumetric mixing since 1969, providing solutions for precise and efficient concrete production. |
106 |
| 33 |
The Gazette Companyfolience.com
A diversified ESOP-owned holding company with traditional media, creative agency, digital services, emergency vehicle & trailer manufacturing, and portfolio expansion focus on profitable companies |
103 |
| 34 |
Bazooka Farmstarbazookafarmstar.com
The company manufactures and distributes durable manure handling equipment, livestock equipment, and grain augers for the agricultural industry |
45 |
| 35 |
Guttenberg Industriesguttenbergindustries.com
A global leader in high-precision custom plastic injection molding, offering product flexibility, efficiency gains, and superior quality standards to manufacturers worldwide |
40 |
| 36 |
Dynamic Tube, Inc. (DTI)dtitube.com
Custom fabricator for tube and pipe assemblies, serving OEMs across various heavy industries, offering design support, comprehensive manufacturing, quality control, and custom packaging. |
40 |
| 37 |
Faircast Inc.faircastinc.com
A company specializing in producing high-quality iron castings under new ownership, focused on innovation, value, and customer satisfaction Passionate about serving customers and community |
25 |
| 38 |
Harvest International, Inc.harvest-international.com
A family-owned manufacturing company specializing in high-quality, American-made equipment for modern farming, focusing on bulk seed handling products and storage bins |
23 |
| 39 |
Motion Raceworksmotionraceworks.com
High-performance automotive manufacturer specializing in innovative solutions for the high-performance automotive industry |
21 |
| 40 |
Pengo Corporationpengoattachments.com
A company with over 68 years experience manufacturing industry-leading drilling attachments for agriculture, construction, utility, and infrastructure industries, introducing over 70 patents |
20 |
| 41 |
Marion by Akonamarionsolutions.com
A global provider of custom processing solutions for various industries, offering American-made craftsmanship and tailored solutions to meet specific application needs |
18 |
| 42 |
McLaughlin Family Companiesmcfamco.com
A diversified portfolio of businesses including refuse equipment manufacturing, animal control equipment, vehicle sales, electric bikes, and automotive parts distribution |
4 |
| 43 |
Sbemco Internationalsbemco.com
This company is the largest manufacturer of custom floor matting for commercial and retail spaces, offering unique products with inlaid designs and superior warranty |
4 |
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How this list is built
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 2, 2026.
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