About Jennmar
Jennmar is a Real Estate & Construction company based in Pittsburgh (United States) founded in 1965 by Jack Calandra and Frank Calandra. Diversified construction materials are supplied by Jennmar to various sectors. It operates on a Reseller / Distribution and OEM Manufacturing model. Jennmar has raised $250 million across 1 funding round from investors including FalconPoint Capital Partners. Jennmar has completed 6 acquisitions, including Alltech Eng, DMW and DSI Underground. Its chief executive, as recorded, is Tony Calandra. Its website jennmar.com draws about 15 thousand monthly visits. Jennmar offers products and services including Ground Support Systems, Steel Structures, and Renewable Energy Solutions. Its focus areas include Industrial, Mining, Ground Support and Construction. Its competitors include DuPont, The AZEK and Owens Corning; 1 of its 3 listed competitors has raised funding.
Company details
Jennmar is involved in the development and supply of ground support systems for mining industries, including hard rock and soft rock applications. The company also offers steel structures and chemical support for civil construction and infrastructure projects. Additionally, solutions for renewable energy, such as solar products, are provided. Services like fabrication, ventilation, and recruitment solutions are extended across various sectors including mining, tunneling, and industrial applications. Operations are supported by multiple facilities and distribution warehouses across the United States and internationally.
- Headquarters Pittsburgh, United States
- Founders Jack Calandra, Frank Calandra
- Stage Acquired
- SectorsReal Estate & Construction
- Phone•••• ••••
- Website jennmar.com
- Social LinkedIn Facebook
- Total Equity Funding$250M (USD)
in 1 rounds
- Latest Funding Round$250M (USD), Private Equity Round
May 2024
- Investors
- Investments & AcquisitionsAlltech Eng
& 5 more
Products & Services of Jennmar
Jennmar offers a comprehensive portfolio of products and services, including Ground Support Systems, Steel Structures, and Renewable Energy Solutions.
Ground support systems are provided for mining safety.
Steel structures are manufactured for construction project support.
Solar solutions are offered for renewable energy projects.
Funding Insights of Jennmar
Jennmar has successfully raised a total of $250M through 1 strategic funding round. The most recent funding activity was a Private Equity Round of $250 million completed in May 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $250M
- Total Rounds 1
- Last Round Private Equity Round — $250M
- First Round $250M
(May 2024)
- Investors Count 1
All 1 funding rounds of Jennmar with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| May 2024 | $250M | Private Equity Round | – | FalconPoint Capital Partners | – |
1 investors in total: 1 institutional.
Investors in Jennmar
Jennmar has secured backing from 1 investor, including venture fund investors. Prominent investors backing the company include FalconPoint Capital Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity firm focused on investing in multiple sectors | falconpointpartners.com | New York, United States |
Investor details for Jennmar
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People of Jennmar
3 people are tracked at Jennmar (3 in leadership).
| Name | Role | Group |
|---|---|---|
Jack Calandra | Co-Founder | Leadership |
Frank Calandra | Co-Founder | Leadership |
Tony Calandra | CEO | Leadership |
Complete people profiles for Jennmar
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Investments & Acquisitions by Jennmar
Jennmar has strategically engaged in corporate development activities, having acquired 6 companies. Notable acquisitions include Alltech Eng, DMW and DSI Underground.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Mining and tunnelling services are provided for extraction projects. | weber-mining.com | 1960 | Aug 2025 | •••• | ||
Provider of specialized engineering, design, and analysis services for product development | rohrigs.com | Wheeling, United States | 2006 | May 2025 | •••• | |
| alltech-eng.com | United States | 1999 | Apr 2025 | •••• | ||
Industrial mesh products including tents and jewelry are manufactured. | dwmesh.com | Los Angeles, United States | 2012 | May 2024 | •••• | |
Customized mining support systems and advisory services are provided. | dsiunderground.com | Munich, Germany | 1865 | Dec 2023 | •••• | |
Systems for steel processing, security, and street equipment are developed. | heintzmann.eu | Bochum, Germany | 1987 | Dec 2017 | •••• |
Complete acquisition details for Jennmar
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- Acquired stakes
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- Complete history
- Exports
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Timeline of Jennmar
8 dated milestones of Jennmar across 60 years, from founding to its latest funding, stage changes and deals.
- Founded Jennmar is founded.
- Acquisition Acquires HEINTZMANN Group.
- Acquisition Acquires DSI Underground.
- Funding First funding round of $250.0M.
- Acquisition Acquires DMW.
- Acquisition Acquires Alltech Eng.
- Acquisition Acquires Rohrigs.
- Acquisition Acquires Weber Mining & Tunnelling.
Competitors of Jennmar
Jennmar has 3 listed competitors in our database, 1 of them funded. They include DuPont, The AZEK and Owens Corning.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| dupont.com | 1802 | United States | 24,000 | Developer of chemical products, construction & packaging materials, and water solutions | ||
| azekco.com | 2001 | Chicago, United States | $24.47M | 2,685 | Manufacturer of sustainable outdoor living products using recycled materials | |
| owenscorning.com | 1938 | Toledo, United States | 25,000 | Manufacturer of roofing, insulation, and composite materials |
Detailed competitors of Jennmar
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- Full competitor set
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Web traffic of Jennmar
The website of Jennmar (jennmar.com) receives about 15.1K visits a month.
- Monthly visits15.1K
▲ 49.6% vs previous month
Websites whose visitors overlap most with Jennmar. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
flexco.com | flexco.com | 100% | #491,818 | – | |
coalage.com | coalage.com | 94% | #3,101,391 | – | |
incosp.com | incosp.com | 91% | – | ||
lippincottsupply.com | lippincottsupply.com | 69% | – | ||
jeffreyrader.com | jeffreyrader.com | 66% | – | ||
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 15 similar websites and full traffic analytics for Jennmar
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- 15 similar websites
- Audience overlap
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- Traffic by brand
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Top companies in Building Materials
3 companies that operate in the same segment as Jennmar (Building Materials) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Developer of chemical products, construction & packaging materials, and water solutions | 1802 | United States | USD 6.85 B | 24,000 | ||
Industrial tools and equipment are supplied globally by Kennametal. | 1938 | Latrobe, Pennsylvania, United States | USD 1.97 B | 8,119 | ||
Concrete, cement, and aggregate building materials are supplied globally. | 1906 | Houston, Texas, United States |
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Related news about Jennmar
Complete news archive for Jennmar
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Frequently Asked Questions about Jennmar
Jennmar was founded in 1965 and raised its 1st funding round 59 years after it was founded.
Jennmar is headquartered in Pittsburgh, United States. It is registered at Pittsburgh, Pennsylvania, United States.
Tony Calandra is the CEO of Jennmar, as recorded in our data.
Jennmar is a funded company, having raised a total of $250M across 1 funding round to date. The company's 1st funding round was a Private Equity Round of $250M, raised on May 2024.
Jennmar is involved in the development and supply of ground support systems for mining industries, including hard rock and soft rock applications. The company also offers steel structures and chemical support for civil construction and infrastructure projects. Additionally, solutions for renewable energy, such as solar products, are provided. Services like fabrication, ventilation, and recruitment solutions are extended across various sectors including mining, tunneling, and industrial applications. Operations are supported by multiple facilities and distribution warehouses across the United States and internationally.
Jennmar's top competitors include DuPont, Owens Corning and The AZEK.
Jennmar offers Ground Support Systems, Steel Structures, and Renewable Energy Solutions.
Jennmar has made 6 acquisitions, including Alltech Eng, DMW, and DSI Underground.
Jennmar has 1 investor. Key investors include FalconPoint Capital Partners.