Auxitec LLC is an international company established in the State of CALIFORNIA in 2016 by the hands of Antonio Arribas(Senior Railway Engineer) and his expert team, members of the non-profit Association Eurif (, whose main activity is to provide engineering services to transport infrastructures, facilities and telecommunications.

We have had the great opportunity of participating in the implementation of infrastructures in many different countries by taking part in railway line projects, and in urban projects to update and improve cities by building commuting lines, tramway and metro lines. LEARN MORE



AUXITEC participated last November 15, 2023 in the – Upcoming Rail Procurements organized by the California High Speed Rail Authority held in Sacramento/ California. On the left picture is Antonio Arribas (AUXITEC President), Bruce Armistead (CHSRA Chief of Rail and Operations Delivery) and Dominique Rulens (Deputy Chief of Rail and Operations at CHSRA). For more information click here

Congratulations to the Auxitec team that has participated in the CHSRA HSR22-35 tender bidding for the engineering services for the Los Angeles-San Francisco High Speed Rail Systems in May 2023. The team was competing with major American (and international) companies in the sector.


AUXITEC participated last September 26th, 27th and 28th 2022 in the Multilateral Partnership for Development Conference held in Cairo (Egypt). These conferences were organized by ICEX Spain Export and Investment together with the Economic and Commercial Office of the Embassy of Spain in Cairo.
The conference included sectoral meetings with representatives of the main multilateral financing institutions, local government and public companies that are relevant for bidding purposes, which act as executing agencies. These meetings were aimed to identify concrete opportunities for cooperation and local partners with whom to develop projects.


AUXITEC attended the thirteenth edition of the most important event of the World Wailway Industry, INNOTRANS 2022, held in Berlin from September 20th to 23rd. This edition was long awaited. It was last held in September 2018 and, as it is a biennial event, the next one was to have been held from September 22-25, 2020. However, came the pandemic and their mobility restrictions. Due to this, the event has resulted in a record number of product and service presentations, with 2,834 exhibitors from 56 different countries participating.


The last 7th, 8th and 9th of November 2021, was held in El Cairo, Egypt, the TRANSMEA Exhibition, where the Egyptian government took the opportunity to approve an ambitious investment plan in the railway sector with the leading companies in the sector, such as Siemens, Thales, Talgo, Caf, Alstom.

Auxitec had a prominent presence in the technical sessions and exchanged experiences and views on how to undertake this ambitious plan. Please click here for more info.


The prestigious High-Speed ​​Intercity Passenger SPEEDLINES magazine, published by APTA, mentions the initiative of Eurif association, with the support of Auxitec and other multinationals ,such as Siemens and Thales, for the organization of  HST california seminars in prestigious Californian universities with the aim of promoting a high level of knowledge of High-Speed Railway technologies. 

All of this is related with the current high-speed contest in California that is being promoted by CHSRA.

Download the whole magazine HERE

Finally, CHSRA has launched the RfQ for Track and Systems.  The System will run from San Francisco to the Los Angeles basin in less than three hours at speeds of over 200 miles per hour. The System will eventually extend to Sacramento and San Diego, totaling 800 miles with up to 24 stations.


Auxitec LLc is ready to participate in this magnificent project with the leading consortiums, as Small Business, with Certification ID: 2002978, from DGS, california Department General Services). 
Auxitec can contribute enormously to this project, because we have developed with success the following activities in other HSL projects: 

- Project Design
- RAM Program Management Plan
- ISA (in collaboration with other companies that are registered is Spain and Europe)
- Interface Management
- Quality
- Health & Security Environment
- Task planning
- Systems Tests Planification
-  Right-of-Way Safety and Security