| # | Company | Employees |
|---|---|---|
| 1 |
Shearer's Foodsshearers.com
Leading snack manufacturer creating sweet and salty snacks, operating state-of-the-art facilities across the US Committed to environmental sustainability, teamwork, and community care |
2,196 |
| 2 |
Great Lakes Cheesegreatlakescheese.com
A premier manufacturer and packager of natural and processed cheeses, with a national presence serving grocery stores, restaurants, and foodservice distributors |
1,521 |
| 3 |
Resilienceresilience.com
Focused on providing high-quality, scalable manufacturing solutions for advanced therapies, partnering with biopharma companies to bring complex medicines to market. |
1,301 |
| 4 |
SugarCreeksugarcreek.com
A leading food manufacturing company with 50 years of experience, specializing in bacon production and providing raw and fully-cooked proteins to the retail and food service industry |
1,023 |
| 5 |
STERIS Isomedix Services (Now STERIS AST)steris-ast.com
Stay informed on the latest news and events by following our new LinkedIn showcase page for Applied Sterilization Technologies |
611 |
| 6 |
Crescentcrescentway.com
A leading outsourcing partner for Consumer Packaged Goods companies, offering in-store program development, supply chain management, and full supply network competencies |
577 |
| 7 |
Molded Fiber Glass (MFG) Companiesmoldedfiberglass.com
A leading composites specialist with 70 years of experience in providing innovative solutions, material development, and manufacturing services across North America |
530 |
| 8 |
Norwood Medicalnorwoodmedical.com
Specializing in contract medical device manufacturing, this company has over 40 years of experience producing complex devices and implants with a focus on innovation and ingenuity |
492 |
| 9 |
Geon Performance Solutionsgeon.com
Global leader in formulating, developing, and manufacturing performance polymer solutions with a portfolio of vinyl and polyolefin technologies, serving 1,200+ customers worldwide |
410 |
| 10 |
Norman Noble, Inc.nnoble.com
Leader in microprecision contract manufacturing for medical devices, specializing in complex micromachining of exotic materials with vertical integration from prototype to production |
287 |
| 11 |
Andelyn Biosciencesandelynbio.com
Dedicated to developing and manufacturing innovative cell and gene therapies, supporting clinical trials with extensive viral vector production expertise. |
284 |
| 12 |
QMD - DEGANIA I BIOMETRIX I ARTHESYSqmd.net
Development and manufacturing of high-performance single-use medical devices, precision components, and subassemblies with engineering and regulatory support. |
278 |
| 13 |
ProBioprobiocdmo.com
Accelerating manufacturing life-changing drugs, discovering therapeutic targets, developing innovative therapeutic approaches for DNA, RNA, protein-based therapeutics, biologics, vaccines, viral vectors, antibody-drug conjugates, and drug discovery services. |
242 |
| 14 |
The Armor Group, Inc.thearmorgroup.com
A Greater Cincinnati-based business specializing in custom metal fabrication manufacturing and industrial capital equipment with over 90 years of experience |
232 |
| 15 |
Defiance Metal Productsmecinc.com
A full-service metal stamper, fabricator, and painter serving military, commercial, construction, and agricultural vehicle markets with certified quality systems since 1939 |
228 |
| 16 |
Degania Medicalqmd.net
A medical devices company now part of QMD, focusing on cutting-edge technology and innovation in the healthcare industry |
207 |
| 17 |
NMG Aerospacenmgaerospace.com
A leading provider of engineering, manufacturing, and logistic solutions for aerospace and industrial markets worldwide, specializing in innovative, integrated solutions |
201 |
| 18 |
DRT Holdings, LLCdrtholdingsllc.com
Manufacturer and supplier of precision tools, systems, and components in metal packaging, aerospace, and precision machining industries, with a focus on quality and reliability |
196 |
| 19 | 170 | |
| 20 |
Atlantic Tool & Die Companyatlantictool.com
Global engineering and manufacturing company specializing in metal stampings, value-added assemblies, and specialized services for various industries including automotive, home appliances, and green energy solutions |
151 |
| 21 |
DRT Aerospace, LLCdrtaerospace.com
DRT Aerospace streamlines supply chains by delivering high-quality machined components and assemblies for the global aerospace industry, utilizing advanced technologies |
123 |
| 22 |
Integrion Automationwauseonmachine.com
A company specializing in build-to-print tooling, prototypes, precision machining, tool development, machine building, automation, and contract CNC production machining |
121 |
| 23 |
Covert Manufacturing, Inc.covertmfg.com
A woman-owned precision machining company with modern equipment and quality-conscious employees, offering value-added services and fulfilling machining and pattern tooling needs |
119 |
| 24 |
Royal Plastics, Inc.royalplastics.com
An innovative custom injection molder with global capabilities in manufacturing complex parts, offering design, assembly, finishing, and cost reduction services |
115 |
| 25 |
Fort Recovery Industries Inc.fortrecoveryindustries.com
A responsive innovator delivering superior components for global manufacturers in automotive, appliance, electrical, refrigeration, and plumbing industries with integrated die casting services |
115 |
| 26 |
Anchor Manufacturing Group, Inc.anchor-mfg.com
Industry leading supplier of metal stampings and assemblies to diverse industries, specializing in automotive components with complete engineering support and advanced manufacturing capabilities |
105 |
| 27 |
Canfield Industries, Inc.canfieldindustries.net
An American manufacturing company specializing in electrical connectors, sensors, solenoid valves, custom circuit board assembly, plastic molding, and engineered solutions |
90 |
| 28 |
TSS Technologiestsstech.com
Provider of turnkey manufacturing solutions for various industries, offering custom automation, systems integration, contract engineering, and more with a partnership approach |
90 |
| 29 |
Bullen Ultrasonicsbullentech.com
A trusted partner providing high quality glass and ceramic components for advanced technology industries globally, utilizing cutting-edge grinding technologies Contact us to bring your vision to life |
86 |
| 30 |
Kalida Manufacturing, Inc.kalidamfg.com
A manufacturing company specializing in high-performance automotive component parts, using advanced technology, skilled craftsmanship, and rigorous quality assurance processes |
78 |
| 31 |
Freeway Corporationfreewaycorp.com
A global manufacturer of stampings, assemblies, and machined components with IATF 16949 certification, operating facilities in Ohio, Illinois, and Canada |
76 |
| 32 |
LIBRA INDUSTRIESlibraindustries.com
Electronic contract manufacturing company providing customized solutions to make customers more competitive and profitable From ideation to production, we manage every aspect for complete product management |
74 |
| 33 |
Thogus Products Companythogus.com
Established family-owned plastic injection molder offering value-added manufacturing services with a customer-first focus, emphasizing lasting partnerships and manufacturing excellence with White Glove Service |
66 |
| 34 |
ADL TECHNOLOGY LLClsicorp.com
An electronics manufacturing and design services provider that offers customized solutions from concept to production, with ISO 9001:2015 certification |
66 |
| 35 |
Brilex Industries, Inc.brilex.com
A leading full-service manufacturing company specializing in fabricating, machining, assembly, and rebuilding for industries worldwide, with a focus on quality, customer service, and competitive costs |
63 |
| 36 |
NCT Technologies Group Inc.ncttech.com
The company offers comprehensive manufacturing services including laser cutting, fabrication, engineering, and machining for various industries like military, automotive, and retail |
61 |
| 37 |
Rhinestahl Advanced Manufacturing Grouprhinestahl.com
A high-tech company specializing in complex machining and fabrication, focusing on refining designs for improved manufacturability and offering integrated solutions to customers |
59 |
| 38 |
B & B Molded Productsbbmolded.com
This custom plastic injection molding company focuses on precision products, process improvements, and quality control for various industries |
57 |
| 39 |
Die-Matic Corporationdie-matic.com
A manufacturing company near Cleveland, Ohio, founded in 1958, specializing in production metal stampings, assemblies, and prototyping to production services for various industries |
56 |
| 40 |
Mirac LLCmiracllc.com
Provider of top-notch electronics manufacturing and development services, delivering competitive pricing, on-time delivery, and team building to exceed customer expectations |
54 |
| 41 |
Superior Fabrication Group LLCsupfab.com
Manufacturer of engineered products and fabrication services for the low to mid volume OEM market, offering project management, precision lead times, and top-quality products |
51 |
| 42 |
Pax Machine Works, Inc.paxmachine.com
A leading metal stamping company providing tool design, prototype development, production, and secondary operations with a focus on quality and customer service |
50 |
| 43 |
Midwest Precision LLCmidwestllc.com
Precision machining and assembly manufacturer serving aerospace, defense, energy, and engineered products industries Specializing in close tolerance components with AS9100C and ISO9001:2008 certifications |
49 |
| 44 |
Standby Screw Machine Products Companystandbyscrew.com
Manufacturing custom parts with advanced equipment, providing low to high volume turning, secondaries, diverse machinery solutions, and overseas sourcing Quality control is prioritized |
49 |
| 45 |
Alco Manufacturingalco.com
Specializing in precision machined products, we deliver high-quality, engineered components on time and at competitive prices with our advanced technology and resources |
45 |
| 46 |
Ram Precision Industriesramprecision.com
High-tech manufacturing facility specializing in CNC machining, EDM, and precision manufacturing with advanced multi-axis machining centers for prototyping and production needs |
45 |
| 47 |
Vertex Manufacturingvertexmanufacturing.com
A Cincinnati-based company specializing in advanced manufacturing, solving problems from prototyping to production with expertise in metal applications |
43 |
| 48 |
Engineticsenginetics.com
A leading provider of complex metal formed components and fabricated assemblies for the global aerospace industry since 1976 |
42 |
| 49 |
Vanamatic Companyvanamatic.com
Provider of precision machined components to aerospace, automotive, fluid power, and fittings industries with a focus on excellence in customer service and innovative solutions |
41 |
| 50 |
Elite Industrial Controlseliteindustrialcontrols.com
American manufacturer of Industrial Control Valves and Dampers providing solutions for industrial automation and thermal management applications across various industries worldwide |
36 |
| 51 |
Signature 4signature4.com
A complex solutions provider specializing in design, engineering, and finish for clients, delivering custom results with integrity and high quality manufacturing capabilities |
33 |
| 52 |
Dysinger, Incorporateddysinger.com
A company specializing in precision machining, sub-assembly support, and process engineering solutions, committed to high quality standards and customer satisfaction |
32 |
| 53 |
Proto Plastics, Inc.protoplastics.com
Full-service contract manufacturer specializing in custom plastic injection molding parts and assemblies for various industries, with a focus on precision and quality |
32 |
| 54 |
Bardons & Oliverbardonsoliver.com
A company specializing in designing, building, and retrofitting machining equipment, as well as offering contract machining services for precision parts |
31 |
| 55 |
Performance Plastics LTD.performanceplastics.com
Specializing in high-performance plastics components and assemblies, we offer materials expertise and advanced manufacturing technologies to create innovative solutions for product improvement and design challenges |
31 |
| 56 |
Wulco, Inc.wulco.com
Machinery company located in Cincinnati, Ohio, specializing in providing industrial equipment solutions and services to clients in the United States |
30 |
| 57 |
Wayne Trail Technologies, Inc.waynetrail.com
A machinery company located in Fort Loramie, OH that specializes in manufacturing and providing technologies for various industries |
28 |
| 58 |
RB Tool and Mfg Corbtoolandmfg.com
Manufacturing company specializing in machinery and components with capabilities in milling, turning, EDM, fabrication, and assembly for turnkey projects, including engineering and project management services |
27 |
| 59 |
JACO Manufacturing Companyjacomfg.com
The company is a full-service supplier of specialized design tooling and manufacturer of small, high-quality plastic parts, including custom molded products and compression fittings |
26 |
| 60 |
McNeil Industriesmcneilindustries.com
A precision manufacturing company specializing in machining metals and polymers, producing high performance bearings, guide pins, bushings, and industrial seals ISO certified and ITAR compliant |
26 |
| 61 |
Barth Industries Co.barthindustries.com
A manufacturing company with 100 years of experience offering just-in-time delivery of production parts, assemblies, machining, assembly solutions, and fabrication services |
25 |
| 62 |
Westlake Tool & Diewestlaketool.com
Metal parts manufacturer providing in-house prototyping, tool and die building, stamping, welding, assembly, and delivery services for various industries since 1968 |
25 |
| 63 |
Duke Manufacturingduke-mfg.com
Provider of aerospace and medical industry services for nearly 60 years, offering design, prototyping, production, and assembly with a focus on precision and quality |
24 |
| 64 |
Nolte Precise Manufacturingnolteprecise.com
Manufacturer of precision machined and assembled components, offering supply chain solutions, cost reductions, and superior service for OEMs Member of Precision Machined Products Association |
22 |
| 65 |
Chardon Metal Products Cochardonmetal.com
A machinery company based in Ohio, specializing in metal products |
22 |
| 66 |
Quality Plastics LLCqualityplasticsllc.com
Specializing in custom injection molding, assembly solutions, product development, prototyping, additive manufacturing, and 3D printing services for various industries |
22 |
| 67 |
Stadco Precisionstadcoprecision.com
A precision machining company that supplies mission-critical components to innovative industries, offering quality, reproducibility, and agility for increased productivity and profitability |
21 |
| 68 |
Gerstenslagerartiflexmfg.com
Industry leader providing blanking, stamping, assembly, e-coat, packaging, warehouse, and distribution services with innovative solutions and reliable customer service |
21 |
| 69 |
Miller Precision Mfg. Industries, Inc.millerprecision.com
A manufacturing company offering precision machined products and services, dedicated to exceeding customer expectations from concept to distribution |
20 |
| 70 |
Eagle Mold Company Inc.eaglemoldcompany.com
Family-owned business founded in 1984, specializing in high-quality engineering and craftsmanship Providing tooling services for over 30 years, contributing to America's economy |
17 |
| 71 |
Star Precision Technologies, LLCstarprecisiontechnologies.com
Precision manufacturer specializing in tight-tolerance components for aerospace, medical, power generation, military & defense industries with capability for traditional and complex materials |
17 |
| 72 |
VasanthaTechvasanthatech.com
This premier engineering corporation pioneers innovation, providing technical solutions in manufacturing, precision machining, molding, prototyping, and product production |
17 |
| 73 |
Efficient Machine Productsยฎ Corp.efficientm.com
Manufacturer and supplier of customer-specified components and small assemblies for various industries, offering cost-effective single-source solutions with international reach and diverse manufacturing capabilities |
16 |
| 74 |
Champion Graphicschampion-graphics.com
A manufacturer of product identification labeling systems, offering precision printing on fine materials to enhance brand appearance and consistency for various industries |
16 |
| 75 |
MR Label Companymrlabelco.com
Family-owned business founded in 1976, specializing in custom pressure sensitive labels, decals, and tags with various printing capabilities and in-house pre-press services |
15 |
| 76 |
Tool Tech LLCtooltech.com
Specializing in tool and die services for various industries, offering part production, repair, and reverse engineering capabilities with skilled and experienced staff |
14 |
| 77 |
MetalFab Groupmetalfabgroup.com
A metal fabrication company offering prototyping and production services with a range of capabilities, experienced staff, and advanced equipment to exceed expectations |
13 |
| 78 |
Qualiform Custom Rubber Moldingqualiformrubbermolding.com
Full-service rubber molder specializing in custom rubber molding, compression molding, injection molding, transfer molding, and rubber to metal bonding for various industries |
13 |
| 79 |
Seneca Label, Inc.senecalabel.com
Manufacturer of custom printed pressure sensitive labels since 1968 Offers roll, sheeted, and fanfolded labels Provides ISO-9001 certification, UL certification, and in-house printing services |
12 |
| 80 |
Cascade Pattern Companycascadepattern.com
Cascade Pattern Company is a machinery company located in Ohio, specializing in manufacturing and distributing machinery equipment and parts |
12 |
| 81 |
ToolBold Corptoolbold.com
A three generation family-owned manufacturing plant with diverse market offerings, running 20+ machines to provide quality parts on time |
11 |
| 82 |
Western Reserve Controlswrcakron.com
Custom engineering and manufacturing company providing embedded controllers and IIoT Asset Connectorsโข for Factory and Building Automation systems and Aerospace applications |
8 |
| 83 |
RPG Industries, Inc.rpgindustries.com
Specializing in precision manufacturing, our company is dedicated to producing high-quality and accurate products for various industries |
7 |
| 84 |
SELECTEON CORPORATIONselecteon.com
Specializing in precision manufacturing and assembly, we deliver high-quality products and components to meet our clients' specific needs |
6 |
| 85 |
Nova Manufacturingnova-manufacturing.com
A manufacturing company offering engineering, CNC machining, fabrication, and assembly services to industries such as medical, semiconductor, automotive, and material handling for over 20 years |
6 |
| 86 |
Midwest Metal Fabricationsmwmetalfab.com
Specializing in custom job shop manufacturing and fabricating services to meet various industrial needs with quality and expertise |
5 |
| 87 |
Miles Productsmilesproducts.com
Custom thermoplastic molding company offering insert molding, injection molding, and structural foam molding services with a network of top manufacturing companies and ISO registered facilities |
3 |
| 88 |
Knous Tool & Machine, Inc.knoustool.com
A manufacturing company established in 1984, focused on providing quality parts with on-time delivery, supporting local and global manufacturing |
2 |
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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 Oct 24, 2026.
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