primary sources . please improve this by adding secondary or tertiary sources . october 2014 learn how and when to remove this template message hntb corporation type employee owned corporation industry engineering & architecture founded kansas city missouri as harrington howard & ash headquarters kansas city missouri united states key people harvey hammond chairman website www.hntb.com hntb corporation is an architecture civil engineering consulting and construction management firm that was founded in 1914 . 1 its headquarters are in kansas city missouri but the firm has numerous offices across the united states . the firm has designed many bridges roadways airports professional sports stadiums and rail and transit systems across the united states and around the world . hntb in kansas city . hntb headquarters downtown kansas city . contents 1 timeline 2 services 2.1 aviation 2.2 bridges 2.3 high speed rail 2.4 transit 3 awards 4 references 5 external links timeline edit john lyle harrington ernest edward howard and louis russell ash founded the firm as harrington howard & ash in 1914 specializing in the design of moveable bridges . in 1941 it changed its name to howard needles tammen & bergendoff when enoch needles henry tammen & ruben bergendoff join as partners . in 1975 it merged with kivett and myers to form a sports architecture practice . in 1982 it acquired the rail firm of thomas k. dyer adding track signal communications and traction power to its portfolio thus positioning the firm to serve the rail industry . in 1993 it formally changed its name to hntb corporation . in 2000 the firm became employee owned . services edit the firm provides infrastructure services in the following areas . aviation edit in 2014 airport business magazine recognized two of the company s aviation experts james long pe 2 and jennie santoro 3 with a top 40 under 40 award . the annual award by the magazine recognizes 40 aviation industry professionals under the age of 40 for their academic professional and community achievements . bridges edit ted zoli is currently the national bridge chief engineer at hntb . in 2012 he received engineering news record s award of excellence . 4 high speed rail edit the company is a supporter of high speed rail projects . 5 transit edit in 2012 the company was awarded a contract for the final design of the green line extension project in boston . 6 awards edit in 2006 the american public works association named the high five interchange as the public works project of the year for its massive size its innovative design the complexity and rapidity of its construction and the need it fulfilled for the community . hntb corporation received the award as the primary consultant along with the texas department of transportation as the managing agency and zachry construction corporation as the primary contractor . the award was in recognition of their cooperative alliance in completing the project . 7 the company won an award for the repair of the john e. mathews bridge after it was severely damaged by a ship impact in september 2013 . 8 references edit company overview of hntb corporation . www.bloomberg.com . bloomberg l.p. retrieved august 18 2015 . garrett ronnie december 3 2014 . top 40 under 40 james long . aviationpros.com . garrett ronnie december 3 2014 . 40 under 40 jennie santoro . aviationpros.com . cho aileen april 16 2012 . a zest for bridges 2012 award of excellence winner theodore zoli . engineering news record enr . retrieved august 18 2015 . gertler peter january 2013 . high speed rail is on a slower but steady track hntb . www.progressiverailroading.com . glx green line extension contract status . commonwealth of massachusetts . retrieved august 18 2015 . press release june 6 2006 . dallas high five interchange honored as public works project of the year pdf . american public works association . retrieved january 5 2012 . hntb led mathews bridge repair earns multiple awards . civil structural engineer www.cenews.com . external links edit official website retrieved from https en.wikipedia.org w index.php title hntb & oldid 744217056 categories architecture firms based in missouricompanies based in kansas city missourihidden categories articles lacking reliable references from october 2014all articles lacking reliable references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 13 october 2016 at 20 59 . text is available under the creative commons attribution sharealike 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