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history jennmar our website uses cookies by continuing to browse the site you are agreeing to our use of cookies accept find out more privacy policy we use cookies in order to make your experience on our website the best possible for more information about these cookies and how we use data please review our privacy policy toggle navigation about overview mission values history leadership iso certifications sustainability affiliates jennmar jennmar automation jennmar civil jennmar engineering jennchem jm steel jennmar services xcal tools xcal industries weber mining tunnelling products mining ground support hard rock support soft rock ground support steel structure chemicals cements grouts resins conveyor belt accessories rail accessories hydraulics carbide bits accessories ventilation safety renewable energy solar civil infrastructure tunneling ground support sem natm support systems liner plate lagging rock bolts anchors structural steel support rail products chemical support steel services fabrication leveling roll forming slitting stamping tubing oem manufacturing construction road milling forestry drilling trenching foundation grading pneumatic demo tools snow removal concrete demolition fabrication specialty manufacturing construction services ventilation mining tunneling aviation industrial hvac carbide cutting tools agriculture construction forestry mining metal cutting recruitment solutions contract labor construction services excavation and e s controls industrial maintenance mining recruitment contract labor stream remediation segments civil construction contract labor recruitment mining oem manufacturing renewable energy steel services ventilation more careers contact center downloads installation instructions iso certifications catalogs brochures joint ventures locations international locations united states locations news events websites home about history history overview mission values history leadership iso certifications sustainability history when frank and mary calandra launched jennmar s parent company frank calandra inc fci they embarked on a journey that would have a profound impact for over a century in 1922 frank and mary started fci by collecting scrap metal and selling it to booming pittsburgh steel companies creating strong local connections from humble beginnings over the years fci expanded and weathered everything from economic downturns to wwii while supporting its commitment to customers and employees today the jennmar family of companies has manufacturing expertise in steel roof support ground stabilization chemicals roll forming value added steel service ventilation and carbide tools for mining milling and metal cutting we also offer a range of us manufactured products to the mining tunneling construction solar agriculture forestry machining and conveying industries we also provide installation services for chemical roof support and ground consolidation chemicals and temporary labor services to a range of industries in 2024 tony calandra consolidated frank calandra inc fci and calandra group s holdings under a single holding company forming jennmar holdings llc jennmar holdings was formed to consolidate and house all future investments in chemical manufacturing metal cutting industrial fabrication machining labor services oil and gas and conveyance industries at jennmar we take pride in being the life force of global infrastructure we ve grown alongside our customers creating innovative solutions that keep up with the world s rapid pace staying power takes dedication grit and focus it s what our founders built this company on and we live by it every day as a testament to them timeline 1920 1979 1980 1999 2000 2009 2010 2019 2020 present 1920 1979 1922 frank calandra inc originated as a proprietorship 1965 jennmar was incorporated in 1965 and was engaged in various businesses related to the coal mining industry 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 1980 1999 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 acquisition of a roof bolt manufacturer in helper ut 1993 opened a new manufacturing facility in clearfield ut began construction of facility in tazewell 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 sydney australia 1999 began construction of a 130 000 sq ft steel service center adjacent to the nucor steel mill site in berkley county sc 2000 2009 2003 r d launches prop program 2006 jining produces first roof bolt for asia market in august 2006 affiliate j lok begins producing its own line of specialty resin for jennmar bolt systems 2007 jennmar specialty begins 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 2019 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 tunneling 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 czech repulic further expanding jennmar s 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 carbide 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 rack manufacturer 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 2019 jennmar mcsweeney inc purchases robotic welded parts jennchem marks its 10 year anniversary calandra group llc purchases roller shop division of fenner dunlop americas frank calandra jr is inducted into the west virginia coal mining institute hall of fame frank calandra jr is inducted into the national mining hall of fame 2020 present 2020 jennmar purchases vossloh mine and rail assets jennmar re brands jennmar mcsweeney jennmar sanshell cuda tools inc and jennmar construction tools into xcal tools jennmar re brands tungstemet into xcal industries jm steel expands into sinton texas 2021 jm steel opens new plant in sinton tx komatsu and jennmar announce development agreement for pumpable resin solutions for underground hard rock mining drilling and bolting customers jennmar rebrands and restructures it logos jm conveyors jennmar specialty move under the jennmar logo xcal tools purchases the assets of bmt products llc turning point services joined jennmar services 2022 five star roll form acquisition ohio valley track acquisition bci steel acquisition bridging on full tilt and 100 000 tons of solar tube products nextracker agreement and solar tube manufacturing in sinton tx 2023 jennchem acquired assets of burrell mining products inc jennmar of kentucky inc has purchased dsi tunneling llc dsi jennmar corporation of virginia has purchased camber corporation s assets xcal tools acquires assets of tamco inc turnstone industrial solutions llc acquires assets of schauenburg flexadux corporation turnstone industrial solutions llc rebrands and restructures their logos 2024 jennmar acquires majority stake in australian steel wire jennmar services acquires g r gas services falconpoint releases announcement on inaugural investment with jennmar jennmar acquires dumotech industrial products jennmar acquires concrete blending facility from wright mix 2025 jennmar acquires ssab s expandable rock bolt production facility in virsbo sweden jennmar acquires all tech engineering jennmar appoints michael portwood as chief operating officer jennmar acquires rohrig heavy equipment maintenance jennmar expands international presence with acquisition of weber mining tunnelling sas fci celebrates 100 years our parent company frank calandra inc fci is proud of everyone who has made us who we are over these 100 years in operation from humble beginnings frank and mary calandra saw opportunities in cresson pa collecting scrap metal to sell to the booming steel companies in pittsburgh pa little did they know that they would be setting out on a journey that would be touching so many lives to last a century and beyond over the years fci expanded and grew to weather everything from economic downturns to wwii all the while maintaining their commitment to customers and their employees we take pride in being one of the most enduring and trusted companies in ground support products in the world from bolts and beams channels and trusses resins and rebar in everything we do we will continue to apply both innovative and proven strategies required to keep us moving in an upward trajectory as a testament to our founders click here to watch our video quick links about affiliates careers contact leadership white papers frank calandra jr foundation segments civil construction contact labor recruitment mining oem manufacturing renewable energy steel service ventilation product resources download us catalog download international catalog installation instructions iso certification our products patents terms conditions websites jennmar global headquarters 258 kappa drive pittsburgh pennsylvania 15238 ph 412 963 9071 fx 412 963 8099
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