Rhomberg:  New security company for construction sites (german)
EUrailpress.de, 9 May 2011

Rhomberg establishes security company (german)
In: NEUE Vorarlberg, Print, 6 May 2011

Rhomberg establishes security company (german)
In: Vorarlbergnachrichten, Print, 6 May 2011

Rhomberg establishes security company for construction sites (german)
In: Austria.com, 5 May 2011

Rhomberg establishes security company for construction sites (german)
In: Vol.at, 5 May 2011

"Safety and Security in Tunnels"
In: Rail Technology Magazine, Print, February 2011
Also on: http://www.advantageaustria.org/ca/news/local/20110202-Rhomberg-Rail.en.jsp 

Global competence with familiar equipment (german)
In: Wirtschaftsforum, Print, Dec/Jan 2011

Swiss Federal Railway (SBB) awards 40 Mio CHF contract to consortium for establishment of the Zurich main station "Durchmesserlinie" (german)
In: Basler Zeitung WIRTSCHAFT, Print, 21 November 2011

Large contract awarded to Rhomberg (german)
In: Vorarlbergnachrichten, Print, 22 November 2011