| # | Company | Employees |
|---|---|---|
| 1 |
GOLD FIELDSgoldfields.com
gold mining company with operations in multiple countries, focused on creating value and fostering an inclusive, connected workforce |
9,997 |
| 2 |
Exxaro Resourcesexxaro.com
A leading South African coal producer with diversified mining interests, embracing renewable energy and aiming for carbon neutrality by 2050 |
5,235 |
| 3 |
Samancor Chromesamancorcr.com
Innovative South African business in the mining sector, prioritizing Zero Harm to people and environment, improving community quality of life |
2,882 |
| 4 |
DRA Globaldraglobal.com
An international group specializing in engineering, project delivery, and operations management in the mining industry, offering services across various commodities worldwide |
2,502 |
| 5 |
AECI Miningaecimining.com
Provider of state-of-the-art mining chemicals and explosives to optimize mineral processing and enhance safety, efficiency, and sustainability in mining operations globally |
2,463 |
| 6 |
Northam Platinumnortham.co.za
An empowered PGM producer in South Africa, extracting platinum, palladium, and rhodium, with operations from mining to refining and community development |
2,253 |
| 7 |
Seriti Resourcesseritiza.com
A black-owned South African mining company focused on acquiring and operating coal operations, ensuring sustainable energy generation, and empowering communities and employees |
2,235 |
| 8 |
Scaw Metals Groupscaw.co.za
A leading South African integrated steel maker producing specialized products for mining, infrastructure, construction, power, oil and gas industries worldwide Commitment to safety and zero harm |
1,822 |
| 9 |
Lonmin Plclonmin.com
Primary producer of Platinum Group Metals with operations in South Africa, focusing on responsible mining practices for industrial, jewelry, and investment applications |
1,685 |
| 10 |
Foskorfoskor.co.za
Vertically integrated phosphate producer in South Africa, processing phosphate rock concentrate to stimulate crop yields and improve agricultural productivity |
1,467 |
| 11 |
Afrimatafrimat.co.za
A leading player in mining and materials, listed on the Main Board JSE Limited in the 'Construction & Building Materials' sector |
1,378 |
| 12 |
Minopexminopex.com
A leader in contract operation and maintenance for mining industry, providing cost-effective solutions while ensuring quality, safety, and productivity |
1,258 |
| 13 |
Thungelathungela.com
A proactive and responsible mining sector influencer committed to safety, community connection, and excellence through expertise and unity |
1,235 |
| 14 |
ERG Africaergafrica.com
A leading diversified natural resources group with production assets across 15 countries, focusing on mining and processing copper, cobalt, and other minerals globally |
625 |
| 15 |
Schauenburg Systemsschauenburg.co.za
An OEM delivering technology solutions for enhanced safety and productivity in mining and industrial markets, focusing on innovation and digital transformation |
618 |
| 16 |
Vedanta Zinc Internationalvedanta-zincinternational.com
A global zinc assets group with operations in South Africa, Namibia, and Ireland, focused on mining, refining, and regional zinc production |
522 |
| 17 |
South African Mintsamint.co.za
Leading manufacturer of legal tender and collectible coins in Africa, with over 120 years of experience in delivering unique designs |
512 |
| 18 |
Trollopetrollopegroup.co.za
Market leading opencast mining contractor specializing in executing medium to large scale mining projects, providing services such as crushing, screening, infrastructure works, and plant hire |
512 |
| 19 |
SENETsenet.co.za
A leading project management and engineering entity specializing in mineral processing, offering services from scoping studies to project handover with a focus on quality and safety |
441 |
| 20 |
PESCOpesco.za.net
Specializing in consulting services for the mineral processing industry with expertise in geology, mining, beneficiation, marketing, plant audits, and technical training |
379 |
| 21 |
New Concept Mining powered by Epirocncm.co.za
Specialized in ground support solutions for underground mines, providing innovative and custom solutions for challenging mining conditions worldwide to improve safety and efficiency |
313 |
| 22 |
NJR Steel Holdings (Pty) Ltdnjrsteel.com
A steel company founded in 1980 with various branches in South Africa, offering a wide range of products and services to customers |
310 |
| 23 |
RSC Grouprscgroup.co.za
Industrial services provider delivering corrosion protection, specialized coatings, insulation, fire protection, tank linings, rope access, and more across African continent |
302 |
| 24 |
Komatsu Mining Corp. β Joy Global (Africa)komatsu.com
A global industry leader specializing in designing and manufacturing mining equipment for various operations around the world |
277 |
| 25 |
MIS Engineering T/A MITAKmitak.co.za
Foundry specializing in casting high-chrome white irons for mining, dredging, construction, and power generation industries, with a focus on quality and export capabilities |
266 |
| 26 |
Canyon Coalcanyoncoal.com
A coal exploration and mining organization in South Africa, committed to unlocking coal potential through partnerships and contributing to economic growth |
245 |
| 27 |
Zululand Anthracite Collieryzac.co.za
Leading producer of high-quality Prime anthracite in South Africa, supplying the metallurgical industry with superior products for both local and export markets |
186 |
| 28 |
MineRP Powered by Epirocminerp.com
The company specializes in integrating spatial big data for a comprehensive view of extractive operations, providing cutting-edge technology for digitally transforming mining globally |
177 |
| 29 |
Efficient Engineeringefficient.co.za
Leading steel fabrication, machining, manufacturing, and heavy engineering group with over 46 years of industry experience, providing professional, innovative, and quality engineering solutions globally |
174 |
| 30 |
South Deep Gold Mine Job Recruitment Agencygoldfields.com
A globally diversified gold producer with mines in Australia, Ghana, Peru, and South Africa, with annual production of 22 million ounces |
173 |
| 31 |
TIMRITEtimrite.co.za
A leading supplier in the mining industry for timber-based roof support products and sawn timber for industrial use |
169 |
| 32 |
Cullinan Diamond Mine (Pty) Ltd.
A renowned diamond mine globally known for producing large, high-quality Type II gem diamonds |
167 |
| 33 |
Danoherdanoher.com
Provider of crushing and drilling sub-contracting services for construction and mining industries in Africa |
163 |
| 34 |
Copalcorcopalcor.co.za
Leading manufacturer in South Africa specializing in copper, brass, alloy semi-finished products, and complete busbar systems for various industrial applications |
161 |
| 35 |
Ikwezi Mining Limitedikwezimining.com
Resource exploration and development company in South Africa, focused on acquiring, exploring, and developing coal projects in various regions Dedicated to creating shareholder value |
155 |
| 36 |
Tru-Trac Rollers (Pty) Ltdtru-trac.com
World-leading manufacturer and supplier of conveyor belt solutions for mining and bulk material handling industries globally with extensive sales and service presence |
148 |
| 37 |
Jindal Africajindalafrica.com
African operations in mining and natural resources, focusing on coal, iron ore, and limestone, with a commitment to community well-being and environmental sustainability |
147 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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.
More company lists in Gauteng
- The largest companies in Gauteng 971
- Financial Services companies in Gauteng 105
- Financial services firms in Gauteng 102
- IT Services and IT Consulting companies in Gauteng 64
- Critical infrastructure operators in Gauteng 61
- Retail chains in Gauteng 59
- Manufacturers in Gauteng 47
- Publicly traded companies in Gauteng 34
- Distributors and wholesalers in Gauteng 33
- Retail companies in Gauteng 31
- Public sector organisations in Gauteng 31
- Construction companies in Gauteng 27
- Government Administration companies in Gauteng 27
- Insurance companies in Gauteng 27
- Motor Vehicle Manufacturing companies in Gauteng 25