company . for other uses see esco disambiguation . this article contains content that is written like an advertisement . please help improve it by removing promotional content and inappropriate external links and by adding encyclopedic content written from a neutral point of view . december 2008 learn how and when to remove this template message esco corporation type private industry manufacturing founded 1913 headquarters portland oregon key people calvin collins president & ceo products wear parts for industrial applications website escocorp.com esco corporation is a manufacturer of engineered metal wearparts and components for industrial applications including mining and construction . since 1913 the privately held company has been headquartered in portland oregon usa and has manufacturing sites throughout the world . the company designs and manufactures a host of products including ground engaging tools get for mining construction products conveying rigging dredging and other industrial applications . the company also owns two companies that design and manufacture specialty drilling tools for the oil and gas industry . contents 1 history 2 plant closures and violation of u.s. trade sanction with cuba 3 products 4 pollution 5 see also 6 references 7 external links history edit hot metal is poured from a ladle in an esco portland foundry esco was founded in 1913 by oregon businessman charles c.f. swigert as a local source of steel castings . the electric steel foundry company was founded on property once occupied by the 1905 lewis and clark centennial exposition . the foundry used an unusual modern furnace that was fired by electricity rather than coke making it the first of its kind in the western united states . citation needed during its first 30 years esco was mainly a regional supplier of cast steel alloy products for the logging construction and pulp and paper industry throughout the pacific northwest . in the 1920s the company expanded production to include cast steel alloy products like the bardon choker hook widely used in forestry . further growth was sparked by the use of hadfield manganese steel and the production of dragline excavator buckets . the esco trademark was first used in 1926 and eventually became the company s new name . esco survived the great depression primarily as a jobbing foundry making castings for sawmills pulp and paper mills . in 1932 esco opened its first stainless steel industrial service center . during the 1940s esco added new products to meet demand for supply valves pump bodies anchor chains and other components for warships and tanks . in 1946 esco developed the two piece tooth tooth system and in 1948 the company entered the cable excavator bucket market . due to the growing mining and construction markets after the war esco launched new products and opened additional plants sales offices subsidiaries and licensees including a midwest distribution facility in danville illinois and a foundry in british columbia . the company also adopted new manufacturing inspection and metallurgical methods . during the 1960s and 1970s esco expanded the manufacture of dragline and shovel dipper buckets and teeth . the company also launched a two piece conical tooth system and began using the argon oxygen decarburization aod and vacuum molding processes . during the 1970s esco opened an automated foundry in newton mississippi and a second canadian foundry in ontario . during the early 1980s esco launched its helilok pin and lock system and also acquired gray syracuse and concorde castings investment casting facilities serving the aerospace and power generation industries . in 1983 esco bought hyster company and then sold it in 1989 to nacco industries . during the 1990s esco expanded operations in the united states the united kingdom and canada and entered a joint venture to manufacture products in china . the company also acquired heflin steel producing wear liners and armor plate . esco also introduced the super v tooth system . additional acquisitions like quality steel are targeted to serve the oil sands market . esco has also added aerospace and power generation facilities in belgium and slovakia and built new facilities in mexico and xuzhou china . in 2008 esco introduced the sv2 tooth system the whisler plus hammerless locking system and the ultralok hammerless tooth system . in 2006 and 2008 esco was named among oregon s most admired manufacturing companies according to a portland business journal survey of more than 2 000 oregon ceos . citation needed the company announced plans for an initial public offering in may 2011 that could raise as much as 175 million . 1 the company canceled plans for an ipo in may 2013 . 2 on december 28 2012 esco corporation sold turbine technologies group esco ttg to consolidated precision products cpp . sale consisted of esco tt belgium esco tt cleveland esco tt mexico esco tt syracuse slovakia plant esco tempe machining facility and ny s oriscany steel treaters . cpp is a portfolio company of warburg pincus . esco announced the acquisition of texas based ulterra drilling technologies l.p. in august 2012 in a deal estimated at 325 million . 3 in 2014 esco acquired another texas based company stabiltec downhole tools llc . 4 further adding to the company s oil and gas portfolio . plant closures and violation of u.s. trade sanction with cuba edit commencing in 2013 esco has closed multiple manufacturing and service facilities in recent years citing a protracted downturn and declining customer demand for their products . 5 6 in january 2013 esco closed the northgate australia foundry they purchased in 2010 . 7 in september 2014 esco closed another foundry located in guisborough england . 8 in february 2015 esco announced the closure of a large foundry in nisku canada . 9 esco laid of an estimated 25 % of their manufacturing work force at their port hope canada facility in 2014 10 and made further cuts in 2015 . 11 esco announced the closure of another foundry in dunedin new zealand in september 2015 . in november 2015 esco announced that they would be eliminating 247 employees when closing the main production plant that adjoins the north american headquarters . 12 in 2014 the wall street journal reported that esco corporation agreed to pay a 2.1 million fine for violating u.s. sanctions imposed on cuba . 13 in the official penalty notice the u.s. treasury department concluded that esco acted with reckless disregard and caused significant harm to the u.s. sanctions program on cuba by conducting large volume and high value transactions in products made from cuban origin nickel which were ultimately sourced from people on the u.s. blacklist . 14 15 products edit this mining hoe bucket shows several get wearparts including shrouds wear bars and teeth . ground engaging tools are the expendable replacement parts of costly mining construction dredging crushing conveying recycling equipment such as excavators scrapers drag lines shovels dippers graders dozers loaders haulers dredging cutter heads backhoes and skid steers . get protects expensive equipment from the wear and tear common in high impact or high abrasion environments from hard rock mining to dredging and oil sands extraction . get includes such wear parts as tooth systems buckets blades end bits couplers 16 thumbs ripper systems lip systems dozer packages liner packages shrouds chain chain sprockets traction wheels and shredder hammer components . esco is a manufacturer of products for mining surface and underground hard rock mining applications . these products include buckets blades end bits couplers wearparts ripper systems shanks lip systems dozer packages liner packages shrouds and structural components . typical equipment using wear products includes dozers graders excavators draglines shovels dippers loaders and haulers . highway and heavy construction highway and heavy construction products for excavators scrapers graders dozers loaders backhoes and skid steers . these products include tooth systems buckets blades end bits couplers thumbs wear parts ripper systems lip systems dozer packages liner packages shrouds and structural components . utilities and general construction utility and general construction products for excavators graders dozers loaders backhoes and skid steers . these products include tooth systems buckets blades end bits couplers thumbs wearparts ripper systems lip systems dozer packages liner packages shrouds and structural components . universal wear products kwik lok dualmet wear tiles bimetallic wear solutions escoalloy plate chromium carbide overlay plate structural steel plate custom wear liners and remnet crushing wear parts for various aggregate quarry and mining applications . dredging cutter heads wear parts and tooth systems for a variety of rock sand and clay dredging applications . forestry grapple and bunching heads dual function booms single function booms snubbers sorting heads and swing booms for a variety of logging and wood products manufacturing applications including advanced crawlers and skidders . rigging for a variety of construction forestry crane shipping marine and industrial wire rope applications . these products include rigging hardware components swagers swage fitting dies and spelter sockets . conveying equipment components for such applications as receiving storage reclaiming recovery pulp mills woodyards woodrooms and power generation . these products include long link sprockets drums chains flights attachments drag chain sprockets and traction wheels engineered chain mill chain and chain attachments . the company also provides shredder hammer assemblies and spare parts . recycling various products for recycling and recovery operations . these products include hammers grates rotor caps liners and other key components for various types of recycling equipment . other industrial applications various products for other industrial applications including military and commercial armor plating structural shredder parts for recycling structural components for bridges and communications towers and alloy molds and vessels for the production of nonferrous metals . pollution edit in november 2011 esco and portland neighborhood representatives signed a good neighbor agreement which includes an implementation schedule for 17 emission reduction projects over five years . as of april 2014 12 of 16 projects are completed and one ongoing project with no completion date . several of the projects are related to improving or adding control devices to capture particulate matter and metal emissions . it also includes projects related to chemical substitution to reduce organic compound emissions and projects requiring additional or modified procedures or operations to improve emission capture . 17 plant in northwest portland crunching pollution numbers available on the environmental protection agency epa website group member bob holmstrom found that the esco steel plant five blocks from chapman elementary had doubled its emissions of metals into the air from 2002 to 2007 . though it strives to be the greenest city in america an exhaustive usa today study found that six of portland s schools were in the worst percentile nationwide for air toxins . that puts portland s school air quality on par with that of cleveland ohio . 18 industrial air pollution in northwest portland is significantly worse than in other parts of the city and esco corporation is the main reason why . that conclusion can be drawn from an eight month study by usa today applying u.s. environmental protection agency data and modeling to public and private school locations across the country . for each of the seven northwest schools the no. 1 source of pollution was esco which has a steel foundry near northwest vaughn street on 25th avenue and another off northwest yeon avenue . the primary chemicals emitted by these foundries were ... 19 ... a december 2008 usa today story the smokestack effect toxic air and america s schools that ranked the air around chapman and other northwest portland schools among the two percent most polluted in the nation . in essence it said school children are exposed to some of america s most unhealthy air largely due to esco s toxic fumes . 20 northwest portland activists raised the issue of manganese pollution from esco foundries near chapman elementary after a usa today report last december that ranked chapman among u.s. schools most at risk from industrial pollution . 21 see also edit list of