Our History

Our History Timeline

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1922

1972

1975

1978

1981

1985

1986

1993

1995

1997

1999

2003

2006

2007

2008

2010

2011

2012

2013

2014

2015

2016

2017

2018

1922

  • Frank Calandra, Inc. originated as a  proprietorship

1972

  • Began to change the primary focus of our business to the manufacturing of roof support systems

1975

  • Continued to grow with the introduction of our first specialty bolt, the COMBINATION bolt
  • Began construction and operation of our West Virginia plant

1978

  • Expanded with manufacturing facility in Winchester, KY

1981

  • Acquired Valley Steel's mine roof bolt manufacturing plant in Flora, IL

1985

  • Received patents on the INSTAL bolt

1986

  • Began support of coal producing areas in the west through the acquistion of a roof bolt manufaturer in Helper, UT

1993

  •  Opened a new manufacturing facility in Clearfield, UT
  •   Began construction of facility in Tazewll County, VA

1995

  • Became associated with cable bolt and cable truss technology
  • Expanded our roof support systems manufacturing facility in Reedsville, WV

1997

  • Established a manufacturing facility in Sydeny, Australia

1999

  • Began construction of a 130,000 sq. ft steel service center adjacent to the Nucor Steel Mill site in Berkley County, SC

2003

  • R & D launches prop program

2006

  • Jining produces first roof bolt for Asia market in August 2006
  • Affilaite J-LOK begins producing its own line of specialty resin for JENNMAR bolt systems

2007

  • Jennmar Specialty begans production

2008

  • JENNMAR West Kentucky and J-LOK Corporation in Earlington Kentucky are commissioned
  • JENNMAR Australia moves into modern roof bolt complex in Narellan, Australia
  • J-LOK Australia offers a line of resin to complement JENNMAR Australia's products
  • JENNMAR Canada project begins

2010

  • JENNMAR Canada moves into new 50,000 Sq. ft. buiding in Sturgeon Falls, Ontario
  • JENNCHEM, LLC begins providing chemical solutions to the mining and tunnelling industries
  • JENNMAR opens a manufacturing facility in Santiago, Chile. Sales offices in Mexico, Peru, and Spain

2011

  • JENNMAR purchases Merol, a family owned ground support company serving the European tunneling and mining industries

2012

  • JENNMAR acquires Multitex in the Czaech Repulic., further expanding JENNMARs  hydraulic expandable rock bolt capacity
  • JENNMAR Canada opens another bolt manufacturing facility in Saskatoon, Saskatchewan
  • JENNMAR Europe opens a sales office in Barcelona, Spain

2013

  • JENNMAR purchases a resin company in Johannesburg, South Africa establishing a presence on 6 continents
  • JENNMAR Civil is established to fully address the needs of the civil construction industry
  • Acquires McSweeney's, a leading manufacturer of forged drill steel products

2014

  • Divested Canadian assets
  • Joint ventures with DSI, established ROCBOLT Technologies in South Africa and ROCBOLT Resins in Australia

2015

  • Acquired Sanshell and TungsteMet expanding roof and miner bits capabilities and adding carbie tooling capabilities

2016

  • Acquires DSI Mining Division in US; Sells European and Latin America operations to DSI
  • Established additional ROCBOLT Technologies joint venture with DSI in China, joining ROCBOLT Resins in Australia and ROCBOLT Technologies in South Africa

2017

  • JENNMAR divests of rach manufacturere, Elite Storage Solutions
  • JENNMAR Sanshell acquires Cuda Tools
  • Affiliate, JM Conveyors begins operations in Lebanon, VA, manufacturing conveyor belt structures
  • Established additional ROCBOLT Technologies joint venture with DSI in Mongolia
  • JENNMAR to offer  EcoVent equipment doors
  • JENNMAR and Murray ink agreement
  • JENNMAR/JENNCHEM acquire Heintzmann

2018

  • JENNCHEM, Quaker sign exclusive distribution agreement
  • FCI purchases CSA and CDS
  • JENNMAR, Draeger sign mining equipment distribution agreement
  • CSA will now be JENNMAR Services
  • Calandra Group, LLC and ABC Technology Group USA announce joint venture, TURNSTONE Industrial Solutions, LLC
  • Tony Calandra, becomes Group President, FCI, and Calandra Group

Contact us Today

Our Technical Service Representatives and Engineers are second to none and can be contacted 24/7. JENNMAR is always there for you.