Completed in 1972 at a height of 417 m (1368 feet), distinguishable from the southern tower by the huge antenna on the roof.
Companies with offices in One World Trade Center.
| Floor | Company | Business |
|---|---|---|
| Concourse | [Ann Taylor Loft]? | Retail |
| Concourse | [NY Coffee Station]? | [Food retail]? |
| Concourse | Strawberry? | Retail |
| Lobby | Avis? | [Car rental]? |
| Lobby | [Delta Airlines]? | Airline |
| Lobby | [Olympia Airport Express]? | Transportation? |
| 3 | [Port Authority of New York and New Jersey]? | Government |
| 5 | [Gayer, Shyu and Wiesel]? | Accountants? |
| 7 | [Thai Farmers Bank]? | Banks/Financial |
| 8 | [Amerson Group]? | Organizations |
| 9 | [Bank of America]? | Banks/Financial |
| 10 | [Bank of America]? | Banks/Financial |
| 11 | [Porcella Vicini and Company]? | Unknown |
| 11 | [Primarch Decision Economics]? | Consultants? |
| 11 | [Bank of America]? | Banks/Financial |
| 13 | Instinet? | Investments? |
| 14 | [Dun and Bradstreet]? | Research |
| 14 | [Port Authority of New York and New Jersey]? | Government |
| 14 | Instinet? | Investments? |
| 15 | [Landmark Education Corporation]? | Government/Schools? |
| 16 | [ZimAmerican Israeli Shipping Company]? | Unknown |
| 16 | [California Bank and Trust]? | Banks/Financial |
| 17 | [Empire Health Choice]? | Insurance |
| 17 | [ZimAmerican Israeli Shipping Company]? | Unknown |
| 19 | [Port Authority of New York and New Jersey]? | Government |
| 19 | [Empire Health Choice]? | Insurance |
| 20 | [Empire Health Choice]? | Insurance |
| 21 | [Avesta Computer Services]? | [Data Processing]? |
| 21 | [Continental Logistics]? | [Business Services]? |
| 21 | [Dongwon Securities]? | Investments? |
| 21 | [Dr. Tadasu Tokumaru, M.D.]? | Doctors? |
| 21 | [Friends Ivory and Sime]? | Investments? |
| 21 | [Friends Villas Fischer Trust]? | Investments? |
| 21 | Infotech? | Unknown |
| 21 | [Law Offices of Roman V. Popik]? | Attorneys |
| 21 | [Lief International]? | Manufacturing? |
| 21 | [Tower Computer Service]? | Retailers? |
| 21 | [United Seamen’s Service AMMLA]? | [Social Services]? |
| 22 | [Cheng Xiang Trading]? | [Computer Services]? |
| 22 | [Chicago Options Exchange Corporation]? | Investments? |
| 22 | [G.C. Services]? | [Collection Agency]? |
| 22 | [Gold Sky]? | Manufacturing? |
| 22 | [Kaiser Overseas]? | Manufacturing? |
| 22 | [Karoon Capital Management]? | Investments? |
| 22 | [MLU Investment]? | Investment? |
| 22 | [P. Wolfe Consultants]? | Consultants? |
| 22 | [Tai Fook Securities]? | Investments? |
| 22 | [The SCPIE Companies]? | Unknown |
| 22 | [Unicom Capital Advisors]? | Investments? |
| 23 | [Empire Health Choice]? | Insurance |
| 24 | [Empire Health Choice]? | Insurance |
| 24 | [Port Authority of New York and New Jersey]? | Government |
| 25 | GarbanIntercapital? | Investments? |
| 25 | [R.H. Wrightson and Associates]? | Investments? |
| 26 | GarbanIntercapital? | Investments? |
| 28 | [Port Authority of New York and New Jersey]? | Government |
| 29 | [China Patent and Trademark]? | Attorneys |
| 29 | [World Travel]? | Travel? |
| 31 | [Port Authority of NY and New Jersey]? | Government |
| 32 | [Banco LatinoAmericano de Export]? | Banks/Financial |
| 32 | [Chang HWA Commercial Bank]? | Banks/Financial |
| 32 | [Rohde and Liesenfeld]? | Unknown |
| 33 | [Berel and Mullen]? | Attorneys |
| 33 | [China Daily Distribution Corporation]? | [Business Services]? |
| 33 | [Data Transmission Network Corporation]? | Unknown |
| 33 | [Hu Tong International Company]? | Wholesalers? |
| 33 | [Koudis International]? | Unknown |
| 33 | [MANAA Trading Group]? | Investments? |
| 33 | [MIS Service Company]? | Unknown |
| 33 | [Rachel and Associates]? | Manufacturing? |
| 33 | [Serko and Simon]? | Attorneys |
| 33 | [Golden King]? | Unknown |
| 35 | [Law Offices of Anne Pope]? | Attorneys |
| 35 | [Kemper Insurance Companies]? | Insurance |
| 36 | [Kemper Insurance Companies]? | Insurance |
| 37 | [Commodity Futures Trading Comm.]? | Investments? |
| 37 | [Government of Thailand]? | Government |
| 38 | [Lehman Brothers]? | Investment? |
| 38 | [Regional Alliance Small Contractors]? | Construction? |
| 38 | [Turner Construction Company]? | Construction? |
| 39 | [Cultural Institutions Retirement Sys.]? | Trusts? |
| 39 | [Overseas Union Bank]? | Banks/Financial |
| 39 | [Xcel Federal Credit Union]? | Banks/Financial |
| 39 | [Tai Fook Securities]? | Investments? |
| 39 | [Lehman Brothers]? | Investment? |
| 40 | [Lehman Brothers]? | Investment? |
| 41 | [Mechanical Floor]? | Unknown |
| 42 | [Mechanical Floor]? | Unknown |
| 43 | [Mechanical Floor]? | Unknown |
| 44 | [N.Y. Society of Security Analysts]? | Government/Schools? |
| 45 | [American Lota International]? | Unknown |
| 45 | [China Construction America]? | Construction? |
| 45 | [Dunavant Commodity Corporation]? | Investments? |
| 45 | [Employee Merit]? | Employment Agency |
| 45 | [Fertitta Enterprises]? | Unknown |
| 45 | [M.A. Katz, CPA]? | Accountants? |
| 45 | [Pure Energy Corporation]? | Wholesalers? |
| 45 | Sassoons? | Unknown |
| 45 | [Security Traders Association]? | Organizations? |
| 45 | SRA? | Unknown |
| 45 | [Streamline Capital]? | Unknown |
| 45 | [The Company Store]? | Retailers? |
| 46 | ASTDC? | Organizations? |
| 46 | [Auto Imperial Company]? | Wholesalers? |
| 46 | [Blue Sky Technologies]? | [Computer Services]? |
| 46 | CanAchieve? | Consultants? |
| 46 | [Consolidated Steelex Corporation]? | Manufacturing? |
| 46 | [Dahao USA Corporation]? | Wholesalers? |
| 46 | [J and X Tans International]? | Unknown |
| 46 | [Kanebo Information Sys. Corporation]? | [Computer Services]? |
| 46 | [Meganet Management Consultants]? | [Computer Services]? |
| 46 | [Prospect International]? | Unknown |
| 46 | [Sinopec USA]? | Wholesalers? |
| 46 | [Suggested Open Systems]? | [Computer Services]? |
| 46 | [Suntendy America]? | Wholesalers? |
| 46 | [TandT Enterprises International]? | Miscellaneous |
| 46 | [Yong Ren America]? | Unknown |
| 47 | [American TCC International Group]? | Investments? |
| 47 | [G. Z. Stephens]? | Employment Agency |
| 47 | NFA/GGG? | Unknown |
| 47 | [Pacific American Company]? | Wholesalers? |
| 47 | [Quint Amasis]? | [Business Services]? |
| 47 | [W.J. ExportImport]? | Wholesalers? |
| 48 | [DaiIchi Kangyo Trust Company]? | Trusts? |
| 49 | [DaiIchi Kangyo Trust Company]? | Trusts? |
| 50 | [DaiIchi Kangyo Trust Company]? | Trusts? |
| 51 | [ATandT Corporation]? | Telecommunication |
| 51 | [C and P Press]? | [Business Services]? |
| 52 | [Bramax Manufacturing Corporation]? | Wholesalers? |
| 52 | [Gayer Shyu and Wiesel]? | Investments? |
| 52 | [Hill Betts and Nash]? | Attorneys |
| 52 | [Howly (US) Corporation]? | Unknown |
| 52 | [Leeds and Morrelli]? | Attorneys |
| 52 | [Okasan International (American)]? | Investments? |
| 52 | [RGL Gallagher PC]? | Accountants? |
| 52 | [Richard A. Zimmerman]? | Attorneys |
| 52 | [Temenos USA]? | Wholesalers? |
| 52 | [The Williams Capital Group]? | Unknown |
| 53 | [A I G Aviation Brokerage]? | Insurance |
| 53 | [Bank of Taiwan]? | Banks/Financial |
| 53 | [China Resource Products USA]? | Unknown |
| 53 | [Keenan Powers and Andrews]? | Attorneys |
| 53 | [LoCurto and Funk]? | Investments? |
| 53 | [Natural Nydegger Transport Corporation]? | Unknown |
| 53 | [Pacrim Trading and Shipping]? | Unknown |
| 53 | [Pure Energy Corporation]? | Wholesalers? |
| 54 | [Brown and Wood]? | Attorneys |
| 55 | [Pace University]? | Government/Schools? |
| 55 | [World Trade Institute]? | Unknown |
| 56 | [Brown and Wood]? | Attorneys |
| 57 | [Brown and Wood]? | Attorneys |
| 58 | [Brown and Wood]? | Attorneys |
| 59 | [Brown and Wood]? | Attorneys |
| 60 | [Asahi Bank]? | Banks/Financial |
| 63 | [Airport Access Program]? | Banks/Financial |
| 77 | [Hal Roth Agency]? | Insurance |
| 77 | [Jun He Law Office]? | Attorneys |
| 77 | [Martin Progressive]? | [Computer Services]? |
| 77 | [Newey International Corporation]? | [Business Services]? |
| 77 | [World Trade Centers Associates]? | Organizations? |
| 78 | Avenir? | [Computer Services]? |
| 78 | [Baltic Oil Corporation]? | Corporate? |
| 78 | [Cedar Capital Mgt Associates]? | Banks/Financial |
| 78 | [Cheng Cheng Enter. Holding Inc.]? | Retailers? |
| 78 | [Geiger and Geiger]? | Attorneys |
| 78 | [Hyundai Securities Company]? | Investments? |
| 78 | [International Trade Center]? | [Public Relations]? |
| 78 | [Korea Local Auth. Foundation for International]? | Government/Schools? |
| 78 | [Meridian Ventures Holding]? | Financial? |
| 78 | [Pacrim Trading and Shipping]? | Unknown |
| 78 | [Phink Path]? | Employment Agency |
| 78 | [Traders Access Center]? | Investments? |
| 79 | [Daynard and Van Thunen Company]? | Insurance |
| 79 | [First Liberty Investment Group]? | Investments? |
| 79 | [International Office Centers Corporation]? | [Business Services]? |
| 79 | [Nikko Securities]? | Banks/Financial |
| 79 | [Okato Shoji Company]? | [Computer Services]? |
| 79 | [Securant Technologies]? | [Computer Services]? |
| 80 | [Agricor Commodities Corp]? | Investments? |
| 80 | [Intrust Investment Realty]? | Real Estate |
| 80 | [Noga Commodities Overseas]? | Investments? |
| 80 | [Shizuoka Bank Ltd.]? | Banks/Financial |
| 80 | [The Beast.Comm]? | [Computer Services]? |
| 80 | [RLI Insurance Company]? | Insurance |
| 81 | [Bank of America]? | Banks/Financial |
| 81 | [Network Plus]? | Telecommunication |
| 81 | [New Continental Enterprises]? | Unknown |
| 82 | [NY Metro Transportation Council]? | Government/Schools? |
| 83 | [eMeritus Communications]? | Telecommunication |
| 83 | [General Telecommunications]? | Telecommunication |
| 83 | [Global Crossings Holdings Ltd.]? | [Computer Services]? |
| 83 | [Lava Trading]? | Unknown |
| 83 | [Taipei Bank]? | Banks/Financial |
| 84 | [Bright China Capital]? | Investments? |
| 84 | [David Peterson]? | Attorneys |
| 84 | KITC? | Investments? |
| 84 | [LG Securities America]? | Investments? |
| 84 | [SanIn Godo Bank Ltd.]? | Banks/Financial |
| 84 | [Temenos USA]? | Wholesalers? |
| 84 | [Unicom Capital Advisors]? | Investments? |
| 85 | [SMW Trading Corporation]? | Investments? |
| 85 | [Thermo Electron]? | Unknown |
| 86 | [Julien J. Studley]? | Real Estate |
| 87 | [May Davis Group]? | Investments? |
| 89 | [Barcley Dwyer]? | Unknown |
| 89 | [Broad USA]? | Wholesalers? |
| 89 | [CIIC Group (USA)]? | Investments? |
| 89 | [Daehan International]? | Investments? |
| 89 | [Drinker Biddle and Reath]? | Attorneys |
| 89 | [Metropolitan Life Insurance Company]? | Insurance |
| 89 | [Mutual International Forwarding]? | Unknown |
| 89 | [Strategic Communications]? | Telecommunication |
| 89 | [Wai Gao Qiao USA]? | Consultants? |
| 89 | [Wall Street Planning Associates]? | Unknown |
| 90 | [American TCC International Group]? | Investments? |
| 90 | [The Chugoku Bank]? | Banks/Financial |
| 91 | [American Bureau of Shipping]? | Engineers? |
| 93 | [Fred Alger Management]? | Investments? |
| 93 | Marsh USA | Insurance |
| 94 | Marsh USA | Insurance |
| 95 | Marsh USA | Insurance |
| 96 | Marsh USA | Insurance |
| 97 | Marsh USA | Insurance |
| 98 | Marsh USA | Insurance |
| 99 | Marsh USA | Insurance |
| 100 | Marsh USA | Insurance |
| 101 | Cantor Fitzgerald Securities | Investments? |
| 101 | [Kidder Peabody and Company]? | Banks/Financial |
| 102 | [The NishiNippon]? | Banks/Financial |
| 102 | Cantor Fitzgerald Securities | Investments? |
| 103 | Cantor Fitzgerald Securities | Investments? |
| 104 | [Channel 4 (NBC)]? | Television |
| 104 | Cantor Fitzgerald Securities | Investments? |
| 105 | Cantor Fitzgerald Securities | Investments? |
| 106 | [Windows on the World]? | Retailers? |
| 107 | [Greatest Bar on Earth]? | Bar |
| 107 | [World Trade Club]? | Unknown |
| 110 | [Channel 11 (WPIX)]? | Television |
| 110 | [Channel 2 (WCBS)]? | Television |
| 110 | [Channel 31 (WBIS)]? | Television |
| 110 | [Channel 47 (WNJU)]? | Television |
| 110 | [Channel 5 (WNYW)]? | Television |
| 110 | CNN | Television |
| NA | [Alan Anthony]? | Consultants? |
| NA | [Cedel Bank]? | Investments? |
| NA | [LG Insurance Company]? | Insurance |
| NA | [Northern Trust International Banking Corporation]? | Banks/Financial |
| NA | [Royal Thai Embassy Office]? | Government |
| NA | [Tes USA]? | Investments? |
| NA | [United Hercules]? | Travel? |