JENNMAR
Industries Served: Mining | Manufacturing | Civil | Construction | Steel Services
722 employees · est. 1972 · Pittsburgh, United States
TOPWERK GROUP
Shaping the future of concrete solutions.
390 employees · est. 2013 · Burbach, Germany
JENNMAR is the older company (1972 vs 2013); JENNMAR is the larger of the two.
Side-by-Side Comparison
| Metric | JENNMAR | TOPWERK GROUP |
|---|---|---|
| Founded | ||
| Founded | 1972 older | 2013 |
| Headquarters | ||
| Headquarters | Pittsburgh, United States | Burbach, Germany |
| Employees | ||
| Employees | 722 larger | 390 |
| Industry | ||
| Industry | Manufacturing, Construction | Industrial, Manufacturing, Construction |
| Funding Stage | ||
| Funding Stage | Private Equity | Private Equity |
| Total Funding | ||
| Total Funding | $250.00M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | 1 |
| Services | ||
| Services | Single-source supplier for multiple industries, Engineering and fabrication of support systems, Custom manufacturing and OEM services, Comprehensive safety solutions, Recruitment and contract labor services | Manufacturing of machines and complete plants for concrete stone production, Production lines for refining concrete stones and pressing concrete slabs, Production facilities for infrastructure and concrete precast elements, After Sales Service for the building materials industry |
| Target Customers | ||
| Target Customers | Mining industry, Civil construction companies, Renewable energy sector, Industrial maintenance providers, Aviation and HVAC sectors | Concrete and construction industries, Building materials industry companies, Infrastructure construction firms |
| Taxonomy | ||
| Taxonomy | Ground Control Technology, Mining Solutions, Tunneling Support, Civil Infrastructure, Safety And Service, Steel Services, Chemical Roof Support, Custom Steel Fabrication, Automation And Engineering, Conveyor Systems, Drill-Steel Manufacturing, Resin Manufacturing, Infrastructure Repair, Gas And Oil Drilling, Anchoring And Bonding | Industrial Concrete Products, Machine Manufacturing, Plant Systems, HESS GROUP, MASA GROUP, SR SCHINDLER, PRINZING PFEIFFER, HESS AAC SYSTEMS, Concrete Block Production, Concrete Slab Production, Concrete Surface Treatment, Concrete Pipe Production, Concrete Manhole Production, Autoclaved Aerated Concrete, Precast Concrete Parts |
| Website | ||
| Website | jennmar.com | topwerk.com |
About JENNMAR
JENNMAR, founded in 1972, has emerged as a global leader in ground control technology, primarily servicing the Mining, Manufacturing, Civil, and Construction industries. This United States-based firm originated as a modest scrap metal operation and has since expanded its footprint worldwide, underpi...
About TOPWERK GROUP
TOPWERK GROUP, founded in 2013, is a key player in the industrial, manufacturing, and construction sectors, based in Germany. It operates under the slogan, "Shaping the future of concrete solutions." The company stands out by offering a comprehensive portfolio of cutting-edge machinery, plants, and...
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Funding, hiring, leadership and stack changes at JENNMAR and TOPWERK GROUP — by email.
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Compiled from the BounceWatch company index. We last looked at JENNMAR on 6 Apr 2026, and TOPWERK GROUP on 28 May 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.