2025-09-03T11:56:22-05:00 2024-12-31 264590766 Centennial Business Systems 6391 S Jackson St Centennial CO 80121 990 2024-01-01 841205096 Telecommunications History Group Inc % R William Johnston TELE 3032961221 P O BOX 8719 DENVER CO 802018719 R WILLIAM JOHNSTON Treasurer 3032961221 2025-09-03 true true WAYNE O ROSZELLE EA P00453524 3039012771 2025-09-03 2024 2025-03-06 01:10:19Z Peter Amstein P O Box 8719 Denver CO 802018719 150457 false X WWW.TELCOMHISTORY.ORG X 1992 CO Educating and demonstrating how communications changes lives and our world To preserve protect and display telecommunication artifacts 10 10 1 45 0 0 104737 127506 215 635 12396 13710 3534 6692 120882 148543 0 0 18995 20786 0 6044 107341 108690 126336 129476 -5454 19067 139523 158691 792 893 138731 157798 Educating and demonstrating how communications changes lives and our world. To preserve, protect and display telecommunication artifacts and documents false false 71545 2865 The Connections Museum Seattle displays the nations largest collection of working historic telecommunications equipment including many types of central office swichboards,manual switchboards, teletype machines, long distance transmission equipment, radios and telephone sets. We also display artifacts and historic interior furnishings in our small museum in downtown Denver. Docent guided tours are conducted both locations. 4978 The Telecommunications History Group provides education resources for teachers through online content on our web site and through our support of the Colorado National History Day Program. 7466 635 The Telecommunications History group operates an extensive archive of documents, film and video recordings, and other materials related to the history of the communications industry. The archive is available to qualified researchers from the public, academia and industry. We also provide research services on request 83989 true true false false false false false true false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false true false false false false false false false false true 2 0 true 1 true false false false false false false false false false X 10 10 false false false false false false false true true false false false true false false false false false false false X Centennial Business Systems 3039012771 6391 S Jackson St Centennial CO 80121 X MICHAEL W NEARING Vice President 6.00 0.00 X X 0 0 0 JODY GEORGESON Director 6.00 0.00 X 0 0 0 ROGER CHRISTENSEN Director 1.00 0.00 X 0 0 0 PETER AMSTEIN President 15.00 0.00 X X 0 0 0 BILL JOHNSTON Treasurer 1.00 0.00 X X 0 0 0 SARAH AUTUMN Secretary 14.00 0.00 X X 0 0 0 EDWIN W MATTSON Director 7.00 0.00 X 0 0 0 MARY RETKA Director 1.00 0.00 X 0 0 0 PHILIP LINSE Director 1.00 0.00 X 0 0 0 DAVID BURGESS Director 1.00 0.00 X 0 0 0 0 0 0 0 false false false 13341 114165 127506 research income 560 560 Right to use fee 75 75 635 12709 12709 2865 2865 2865 1001 1001 1001 0 5741 1914 3827 148543 13344 0 0 19264 3853 14448 963 1522 304 1142 76 2380 2380 12449 12449 7109 1778 3555 1776 5603 1401 2802 1400 54051 54051 1446 362 1084 1438 1438 fund raising costs 654 654 education program 1200 1200 museumarchive Cost 17660 17660 member support 4700 2350 1175 1175 129476 82959 40473 6044 23612 49432 111170 104349 516 685 4225 4225 139523 158691 792 893 792 893 X 138731 157798 138731 157798 139523 158691 19067 0 X true X false true false X 98869 102087 132699 104737 127506 565898 98869 102087 132699 104737 127506 565898 256028 309870 9904 11168 11047 11200 12709 56028 1738 1109 1599 4885 8328 17659 639585 0.48450 0.42360 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED X X X X false Part III, Line 1a-Text in footnote regarding SFAS 116 (ASC 958) $2,981,000 This is the estimated value of artifacts of the history group. it is not included as part ofthe balance sheet assets Part III, Line 4-Description organization's collections The Telecomunications History Group maintains two museums of comunications equipment, telephone directories, photographs, documents and manuscripts relating to the role of telecomunications in the world. Part V, Line 4-Intended uses of endowment funds The income from the endowment fund is to used to Support the mission of the Telecommunications History Group (THG)THG has a beneficial interest in the assets of the endowment fund that it established with the Denver Foundation. Up to 8 of the total value of the fund (less fund adminstration fees) may be used to support THGs mission in any given year. A portion of the fund is subject to donor restriction as to use, and the remainder is unrestricted X 0 See Part II P1, Col B The orignization does not P1, Col B capitalize it's Museum P1, Col B collection as allowed P1, Col B under ACS958-360 P1, Col B Policy on file Part VI Line 11b The form 990 is reviewed by the president and treasurer before being Part VI Line 11b approved and filed Part VI Line 19 These documents are not publicly available.