Bouygues Travaux Publics is specialised in underground works, complex civil engineering projects, civil engineering structures as well as road infrastructure, harbours and public transport. Their expertise is present in three fields: the setting up of the project, the management of main projects and the implementation of specialised techniques.
Present in France and internationally with some 6700 people, the company achieved a turnover of 1 171 M€ in 2009. Bouygues relies on mobile teams able to relocate rapidly in order to propose solutions to their clients combining innovation, the respect of lead times and the incorporation of sustainable development criteria.

Situated over the West of France, Quille is the most important regional Building and Civil Engineering subsidiary of Bouygues Construction. Its activity is divided into Construction (53 %) and Civil Engineering works (47 %). The company intervenes at all stages of a construction project: design, construction and maintenance. The company has 1 850 employees, including 1 000 labourers, and undertakes work on more than 150 worksites annually, achieving a turnover of 441 M€ in 2009. Equipped with great technical strengths, Quille undertook an important part of the construction of the A28.

Specialized in land infrastructures at the heart of Specialised Civil Engineering Companies group of Bouygues Construction, DTP Terrassement offers a diversified knowhow on very technical and varied projects: from small local worksites to the construction of roads and motorways, high speed railway lines and even the earthworks of open cast mines.
Having access to such an important stock of plant allowed the surfacing work of the A28 to be carried out within a very short time.

Created in November 2005, the FIDEPPP, Funds for Investment and Development of Public - Private Partnerships, is the instrument of the Caisse d'Epargne Group which allows them to invest in all types of partnerships of a significant size at the moment when a private company finances, builds or operates a public infrastructure.
The group Caisse d'Epargne, traditional financier of the local development in France, launched this fund, amounting to 20 M€, bringing to the State and local authorities the finance required to implement large scale capital projects. The FIDEPPP is the first French funding created to this end.
The FIDEPPP is managed by Natixis Environment & Infrastructures. This wholly owned subsidiary of Natixis - the investment bank of the Caisse d'Epargne Group and of the Banque Populaire group - has the responsibility of identifying, evaluating and selecting projects in which the fund will participate.

Egis - subsidiary of the Caisse des Dépôts - is an engineering and consultancy group in the fields of infrastructure construction and transport systems, developments, water and the environment. The group also intervenes in the fields of implementing projects and in road and airport operations. With 8370 employees worldwide and a turnover of 563 M€ in 2009, the company is present in more than 100 countries and has around fifty installations in France. In 2009, Egis joined up with Iosis, a Building and Industrial Civil Engineering projects engineering company, in order to launch a new global engineering offer and to form the French leader in engineering and construction.
Egis is involved in the A28 Rouen-Alençon project through its subsidiaries Egis Route (design and engineering), who assure 80 % of the workmanship on the French motorway network, and Egis Road Operations who participate in the operation and the maintenance of the works. Egis Road Operations already manages close to 1550 kilometres of motorways throughout the world.

La Société des Autoroutes Paris-Normandie (SAPN), subsidiary of the SANEF group, is a mixed economy motorway concession company, in the Paris and Normandy regions. Since 1963, the date of its creation, SAPN operates a motorway network of 370 km including the A13 (Paris/Caen), the A14 (La Défense/Orgeval) and the A29 (St Quentin/Le Havre). SAPN has 800 employees, and in 2008, achieved a turnover of 312 M€.
SAPN is in partnership with Transroute, a subsidiary of Egis, at the operations level of the Rouen - Alençon section of the A28 motorway.

Lloyds Banking Group was created the 19th January 2009, from the takeover of HBOS by Lloyds TSB Group. It is the biggest retail bank in The United Kingdom with more than 30 million clients and approximately 120 000 employees. The Group conducts a multi-brand strategy including Lloyds TSB, Bank of Scotland, Halifax, Scottish Widows and Cheltenham & Gloucester.

Having 3 400 employees, SANEF specialising in 3 main areas:

• "Concession" Group: the Group intervenes as investor, creator and owner of transport infrastructures and currently holds 4 concessions.
• "Infrastructure Management" Group regrouping the departments linked to the operation of the motorway infrastructure, telemetry services and local services.
• "Development" Group proposing made to measure solutions in the country wanting to install the automatic toll system on a regional or national scale.

The SANEF group operates and maintains a network of 1743 km of motorway in the North, and the East of France and in Normandy.