| # | Company | Employees |
|---|---|---|
| 1 |
Tecumseh Products Companytecumseh.com
Global manufacturer of hermetically sealed compressors for refrigeration and air conditioning applications, offering compressors ranging from 1/5th to 35 HP |
1,779 |
| 2 |
Associated Metal Forming Technologiesamft.com
Industry pioneer providing precision spring and stamping solutions across multiple sectors globally Specializing in custom engineered solutions with cutting-edge technologies |
419 |
| 3 |
Gallagher-Kaiser Corporationgkcorp.com
A Michigan-based company specializing in paint finishing systems, HVAC, mechanical automotive systems, and related services for various markets worldwide |
338 |
| 4 |
Oilgearoilgear.com
Provider of high-performance fluid power solutions, including hydraulic systems, pumping products, cartridge valves, subsea pressure control, and complex fluid power control systems worldwide |
335 |
| 5 |
Flexfab, LLCflexfab.com
A global elastomeric engineering company specializing in silicone rubber products for automotive, aerospace, and industrial sectors with focus on sustainability and innovation |
278 |
| 6 |
SurfacePrepsurfaceprep.com
Leading supplier of surface enhancement solutions with over 48 facilities in the US, Canada, and UK, improving quality, consistency, productivity, and profitability for customers |
233 |
| 7 |
Dearborn Mid-West Company, LLCdmwcc.com
A globally recognized full service material handling company providing turnkey systems, engineering, fabrication, installation, and Life Cycle Improvement for various industries |
219 |
| 8 | 193 | |
| 9 |
Zatkoff Seals & Packingszatkoff.com
Leading distributor of seals in North America, offering high-quality products, exceptional customer service, and sealing system solutions backed by extensive inventory and international part numbers |
179 |
| 10 |
Our Next Energy (ONE)one.ai
Innovating energy storage technologies for clean energy adoption in vehicles, renewables, and the grid by extending range, increasing safety, and lowering costs |
178 |
| 11 |
Williams Form Engineering Corp.williamsform.com
This company manufactures threaded steel bars and accessories for rock, soil, and concrete anchors, post-tensioning systems, and concrete forming hardware in construction industry |
176 |
| 12 |
A&D Engineering, Incandonline.com
A&D is a global corporation that manufactures analog-to-digital converters, multimeters, electronic balances, and blood pressure monitors for professional and consumer markets worldwide |
167 |
| 13 |
Automatic Spring Products Corp.automaticspring.com
A tech-focused manufacturer specializing in custom compression, extension, and torsion springs, wire forms, stampings, washers, and assemblies at high volumes |
165 |
| 14 |
Tommy Car Wash Systemstommycarwash.com
Innovative leaders in car wash operations and equipment, offering patented building models, advanced systems, wash club technology, and franchise opportunities worldwide |
152 |
| 15 |
Extol, Inc.extolinc.com
A manufacturing technology company specializing in improving plastic product assembly through custom automation, engineering services, and global equipment support |
152 |
| 16 |
FEMA Corporationfema-corp.com
Design, manufacture, and test custom electro-hydraulic components for various applications in the off-highway and industrial markets, ensuring performance and cost effectiveness |
147 |
| 17 |
Ventura Manufacturingventuramfg.com
A manufacturing company specialized in producing a wide range of products They focus on quality, innovation, and customer satisfaction |
145 |
| 18 |
GM Energygmenergy.gm.com
This company, a subsidiary of General Motors, works on creating a comprehensive energy ecosystem with EV education, public charging infrastructure, and energy management solutions |
103 |
| 19 |
AlphaUSAalphausa.com
A high-volume commodity manufacturer evolving into an engineering-based manufacturer Providing value-added assemblies, fasteners, and washers for various industries worldwide |
68 |
| 20 |
Eagle Engineering & Supply Companyeaglecompanies.com
The company specializes in manufacturing material handling equipment and steel fabrication services, catering to industrial and construction sectors |
30 |
| 21 |
FISA MANUFACTURING - ultrasonic cleaning solutionsfisa.com
A manufacturing facility specializing in creating machinery for the company Fisa |
27 |
| 22 |
Process Systems Incpsi4pumps.com
Specializing in industrial pumps, this company offers durable and reliable solutions for customers' pump challenges They excel in engineering, manufacturing, and service |
20 |
| 23 |
Jemms Cascadejemms-cascade.com
Specializing in specialty manufacturing tooling, we engineer solutions for global manufacturing needs, delivering quality, support, and customized construction across various industries |
20 |
| 24 |
GLE Precision | A Hyperion Materials & Technologies Companygle-precision.com
Manufacturing high precision products with focus on wear properties, tight tolerances, and high finishes for industries like medical, aerospace, and chip technology |
19 |
| 25 |
Industrial Resources (IR Ventures, Inc.)irinc.us
A company specializing in designing and building custom machinery, such as conveyors and stackers, for pallet recycling, with a focus on automation and efficiency improvements |
19 |
| 26 |
WIRTGEN MACCHINE S.R.L.wirtgen-group.com
An internationally renowned leader in construction equipment industry, offering mobile machine solutions for road construction, mineral processing, recycling, and asphalt production |
18 |
| 27 |
E&E Special Products LLCeandesp.com
Manufacturing standard and special machine tooling, cylinder accessories, linear/rotary motion products, and more for various industries Veteran owned |
17 |
| 28 |
Process Results, Inc.imegcorp.com
Full-service engineering company offering innovative solutions for commercial, industrial, and municipal facilities across various markets, specializing in multiple engineering disciplines |
14 |
| 29 |
Conceptual Innovationsconceptual-innovations.com
A company specializing in engineering and custom manufacturing, offering services such as CAD design, prototype testing, laser cutting, CNC forming, and robotic welding |
13 |
| 30 |
Millenium Manufacturing Incmillenniummanufacturing.com
Specializing in high precision component design and production for electronics, medical, aerospace, and other markets |
10 |
| 31 |
DELRAY Systems3d-printer.com
A company with 30 years of experience in customer service, design engineering, and manufacturing, specializing in advanced manufacturing technology and training |
8 |
| 32 |
KUKA Systems Corporation North America
A machinery company located in Sterling Heights, Michigan, specializing in manufacturing and providing solutions for industrial automation systems in North America |
7 |
| 33 |
Quigley Industries Incquigleyind.com
A machinery company located in Farmington Hills, Michigan, specializing in the manufacturing and distribution of various equipment and tools |
6 |
| 34 |
KUKA US HOLDINGS COMPANY LLC
A machinery company based in Michigan, specializing in industrial robotics and automation solutions for various industries |
6 |
| 35 |
Modern Machine Tool Companymodernmachinetool.com
A company with over 70 years of experience designing manufacturing equipment, offering custom-built solutions with fast indexing and high accuracy |
4 |
| 36 |
Machine Tool Engineering Comte-inc.com
A Mechanical or Industrial Engineering company based in Quincy, Massachusetts, specializing in machine tool engineering and manufacturing solutions |
4 |
| 37 |
VIBRACOUSTIC USA, INC
A machinery company headquartered in Michigan, specializing in vibration control solutions for various industries |
4 |
| 38 |
Exact Manufacturing Inc
A Michigan-based Mechanical or Industrial Engineering company specializing in manufacturing services |
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 Oct 24, 2026.
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