The chemical companies in Ohio include both large, established corporations and mid-sized firms. Their activities span a broad range, from paints and coatings to industrial packaging and specialized materials. Many of these companies have a long history, with several founded in the late 19th or early 20th century.
Noteworthy examples include Sherwin-Williams, a global supplier of paints and coatings; The Goodyear Tire & Rubber Company, a global tire manufacturer; Avery Dennison, a materials science company providing digital identification solutions; and Owens Corning, a leader in durable building products. The data shows a concentration of headquarters in cities like Cleveland, Mentor, and Akron, indicating regional hubs for chemical and manufacturing industries.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Sherwin-Williamssherwin-williams.com
Global supplier of paints, coatings, and related products with extensive distribution network and diverse, innovative workforce worldwide. |
49,925 | |||
| 2 |
The Goodyear Tire & Rubber Companygoodyear.com
Global tire manufacturer with 57 facilities in 23 countries, employing 72,000 people Leading innovation through state-of-the-art products and services |
30,571 | |||
| 3 |
Avery Dennisonaverydennison.com
A global materials science company providing digital identification solutions for various industries, optimizing efficiency, sustainability, and customer experience worldwide |
22,063 | |||
| 4 |
Owens Corningowenscorning.com
Global leader in durable, sustainable building products focused on energy efficiency and material innovation to support customer growth. |
11,279 | |||
| 5 |
The Lubrizol Corporationlubrizol.com
A global corporation focused on sustainable solutions through advanced science, impacting billions of lives worldwide with products for cleaner, smarter living |
7,113 | |||
| 6 | 5,352 | ||||
| 7 |
Avient Corporationavient.com
Development and supply of colorants, composites, additives, engineered materials, and Dyneema庐 fibers for sustainable, high-performance customer products. |
4,204 | |||
| 8 |
The Scotts Miracle-Gro Companyscottsmiraclegro.com
The company develops leading lawn and gardening products, prioritizes community responsibility, and fosters a culture of growth, innovation, and giving back |
4,102 | |||
| 9 |
Valsparsherwin-williams.com
Global leader in manufacturing and distributing paints, coatings, and related products to various customers, offering a friendly, safe work environment with growth opportunities |
2,795 | |||
| 10 |
Avery Dennison Label and Packaging Materialslabel.averydennison.com
Global material science and digital identification solutions company, providing branding and information solutions optimizing efficiency, sustainability, and transparency, connecting brands and consumers. |
2,493 | |||
| 11 |
AK Steel Corporationclevelandcliffs.com
Cleveland-Cliffs is a leading North American steel producer, specializing in iron ore pellets and a variety of steel products for diverse markets |
2,433 | |||
| 12 |
Advanced Drainage Systems, Inc.adspipe.com
Leading manufacturer of thermoplastic corrugated pipes and water management products serving residential, agriculture, infrastructure, and commercial drainage markets globally. |
2,361 | |||
| 13 |
Saint-Gobain Performance Plasticssaint-gobain.com
Leading producer of engineered high-performance polymer products serving diverse industries worldwide with innovation, expertise, and comprehensive customer support. |
1,932 | |||
| 14 |
Hexion Inc.hexion.com
Leading global producer of adhesives and performance materials serving construction, furniture, energy, and automotive industries with technical support. |
1,790 | |||
| 15 |
Materion Corporationmaterion.com
Global provider of high-tech solutions in electronic materials, performance materials, and precision optics, driving scientific breakthroughs and technological advancements worldwide with over 100 years of experience |
1,751 | |||
| 16 |
Ferro Corporationvibrantz.com
Leading global provider of color solutions, functional coatings, and specialty minerals enhancing performance and vibrancy across diverse industries. |
1,429 | |||
| 17 |
Tremco Roofing and Building Maintenancetremcoroofing.com
A leading innovator in roofing and weatherproofing solutions since 1928, providing comprehensive services including maintenance, restoration, and repair with a focus on quality and innovation |
1,295 | |||
| 18 |
Coviacoviacorp.com
A leading provider of minerals and material solutions for Industrial and Energy markets, offering high-quality products, technical capabilities, and extensive distribution network |
1,251 | |||
| 19 |
Alerisaleris.com
A global leader in aluminum rolled products serving major customers in aerospace, building, containers, transportation industries with advanced manufacturing capabilities |
1,235 | |||
| 20 |
Austin Powderaustinpowder.com
The company manufactures industrial explosives, accessories, and offers technical blasting services globally |
1,090 | |||
| 21 |
Associated Materials Innovationsassociatedmaterials.com
A leading provider of residential building products, Associated Materials empowers employees to innovate sustainable solutions for beautiful, energy-efficient homes nationwide |
931 | |||
| 22 |
DuBois Chemicals, Inc.duboischemicals.com
A provider of specialty cleaning and process solutions for various industries worldwide, known for innovative and sustainable practices with a large team across North America |
923 | |||
| 23 |
Hyperion Materials & Technologieshyperionmt.com
Global provider of engineered hard and super-hard materials for demanding applications across aerospace, automotive, electronics, energy, medical, and manufacturing industries. |
899 | |||
| 24 |
Tremco CPG Inc.tremcocpg.com
Manufacturer of roofing materials, sealants, waterproofing systems, concrete admixtures, fire stopping systems, and custom construction maintenance products worldwide. |
795 | |||
| 25 |
Special Metalsprecast.com
A global leader in high-performance alloy manufacturing, offering solutions to materials challenges through a range of nickel and cobalt alloys worldwide |
780 | |||
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. | |||||
| 26 |
Oatey Companyoatey.com
Manufacturing and distributing reliable plumbing products for residential and commercial builders, contractors, engineers and DIY consumers through a global supply network. |
756 | |||
| 27 |
State Industrial Productsstateindustrial.com
Provider of high-quality chemical products and maintenance solutions for commercial and industrial buildings, ensuring efficient and reliable operation through various programs |
751 | |||
| 28 |
RPM International Inc.rpminc.com
Multinational company specializing in specialty coatings, sealants, building materials, and related services with a diverse portfolio of leading brands worldwide |
729 | |||
| 29 |
GrafTech International Ltd.graftech.com
Manufacture high-quality graphite electrodes for electric arc furnace steel and metals, with vertically integrated raw material supply. |
720 | |||
| 30 |
ChemStationchemstation.com
Offers custom-formulated, environmentally friendly industrial cleaning chemicals, delivered to refillable containers, preventing waste and promoting safer, healthier environments for various applications. |
668 | |||
| 31 |
PLASKOLITEplaskolite.com
Leading manufacturer of acrylic sheet, polycarbonate sheet, and other thermoplastic solutions for various applications with a focus on quality and customer service |
665 | |||
| 32 |
Formica Group North Americaformica.com
Leading manufacturer of High Pressure Laminate offering innovative, functional, and aesthetic surfacing solutions for commercial and residential projects worldwide. |
655 | |||
| 33 |
OMNOVAomnova.com
Development and supply of functional and decorative surfaces enhancing aesthetics and performance for various global brand-name end-use products. |
577 | |||
| 34 |
TimkenSteel Corporationtimkensteel.com
The company produces innovative, cleaner steel for customers pushing the limits of what's possible, embodying a "Yes It's possible" mindset |
576 | |||
| 35 |
The Garland Company, Inc.garlandco.com
Provides high-performance roofing and building envelope solutions for commercial, industrial, and institutional markets with extensive global professional network. |
570 | |||
| 36 |
Allied Mineral Productsalliedmineral.com
A global leader in designing and manufacturing refractories, offering innovative products for various industries with a focus on quality and employee ownership culture |
563 | |||
| 37 |
The Gorilla Glue Companygorillatough.com
Manufacturer of high quality adhesives, tapes, and specialty skincare products for DIYers and professionals, specializing in durable bonding solutions and therapeutic skin creams. |
559 | |||
| 38 |
Americhemamerichem.com
Global manufacturer providing custom color masterbatch, functional additives, and engineered compounds through technical collaboration, laboratory testing, and on-site process simulation for polymer optimization. |
549 | |||
| 39 |
Smithers-Oasissmithersoasis.com
A global leader in floral and design media, postharvest products, growing media, temperature control packaging, medical foam, and custom foam solutions |
549 | |||
| 40 |
Myers Industriesmyersindustries.com
A leading manufacturer of polymer products for various markets, distributing tools and supplies for the tire industry, with a diverse product portfolio |
548 | |||
| 41 |
Dayton Superiordaytonsuperior.com
Manufacturing and distributing a wide range of products and accessories for concrete construction projects with extensive industry experience. |
544 | |||
| 42 |
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 | |||
| 43 |
SumiRiko Ohio, Inc.us.sumiriko.com
Manufacture and sale of anti-vibration rubber products, automotive hoses, and urethane sound reduction products for vehicle applications. |
513 | |||
| 44 |
Axium Packagingaxiumpackaging.com
Established in 2011, this company specializes in producing high quality plastic packaging for personal-care, food, home, and hygiene products, serving markets in the US, Canada, and beyond |
510 | |||
| 45 |
Emery Oleochemicalsemeryoleo.com
A global specialty chemicals manufacturer providing renewable solutions for various industries, focused on improving processing efficiencies, technical performance, and environmental safety |
502 | |||
| 46 |
Seaman Corporationseamancorp.com
Manufacture and supply of high-performance fabrics for roofing, geomembranes, tarps, architectural structures, and recreational products worldwide. |
481 | |||
| 47 |
Koroseal Interior Productskoroseal.com
A leading specialty commercial interior products platform offering wallcoverings, presentation surfaces, wall protection systems, digital printing, and complementary interior products |
478 | |||
| 48 |
Core Molding Technologiescoremt.com
Specializing in molded structural products for building, utilities, transportation, and powersports industries across North America with a wide range of manufacturing processes |
449 | |||
| 49 |
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 | |||
| 50 |
Mactac North Americamactac.com
A leading provider of pressure-sensitive adhesive solutions for various industries, offering quality products with personalized service, technical support, and supply chain efficiency |
406 | |||
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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 11, 2026.
More company lists in Ohio
- The largest companies in Ohio 2,910
- Manufacturers in Ohio 479
- Multinational companies in Ohio 390
- Companies with in-house R&D in Ohio 277
- Hardware manufacturers in Ohio 233
- Retail chains in Ohio 230
- Education providers in Ohio 223
- Professional services firms in Ohio 195
- Hospitals and Health Care companies in Ohio 182
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- Financial services firms in Ohio 162
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- IT Services and IT Consulting companies in Ohio 133
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- Distributors and wholesalers in Ohio 105
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The same list elsewhere in United States
- Chemical companies in the United States 1,383
- Chemical companies in Texas 140
- Chemical companies in California 112
- Chemical companies in Pennsylvania 95
- Chemical companies in Illinois 74
- Chemical companies in New York State 61
- Chemical companies in Michigan 58
- Chemical companies in North Carolina 54
- Chemical companies in Georgia 51
- Chemical companies in New Jersey 51
- Chemical companies in Massachusetts 38
- Chemical companies in Indiana 34
- Chemical companies in Florida 33
- Chemical companies in South Carolina 31
- Chemical companies in Wisconsin 31
- Chemical companies in Missouri 30
- Chemical companies in Minnesota 28
- Chemical companies in Tennessee 27
- Chemical companies in Connecticut 25
- Chemical companies in Houston 47