The O Campiño industrial estate is an industrial park located between the Spanish parishes of Marcón "Marcón (Pontevedra)") (Pontevedra) and Tourón and Justanes (Puente Caldelas). It is located on the slope of Monte A Fracha, 7.5 km from the city of Pontevedra.

It is located next to the PO-532 highway, which connects Pontevedra and Puente Caldelas[1]​ and very close to the A-57. In the place of A Reigosa, take the PO-0004 road, which leads to Chan da Parafita street, the north-south artery of the industrial estate.

In the early 1990s, the mayor of Pontevedra Javier Cobián, together with the Department of Territorial Planning of the Government of Galicia and the Chamber of Commerce of Pontevedra, promoted the creation of the O Campiño industrial estate. On October 11, 1993, the first stone of the industrial estate was laid in the A Reigosa area. On November 29, 1996, the first company was inaugurated in the industrial park, the Harinas Reyes Hermanos factory in Pontevedra.[2][3]​.

On March 4, 2011, a large expansion of the industrial estate was inaugurated,[2] bordering the PO-0206 to the west and the climb to the Baltar site to the south.

In January 2024, the expansion of the industrial estate by an additional 342,215 square meters was unlocked.[4] In October 2025 it was made public that the expansion project of the O Campiño Business Park, promoted by the Regional Government of Galicia and the Pontevedra City Council, will finally create 160,044 square meters of business land. With an investment of 11.6 million euros and the management of The plan, articulated through the Structural Planning Plan for Business Only (Peose), is in the processing phase and will be subjected to a strategic environmental evaluation before its initial approval, scheduled for 2026.[5]​.

The polygon was inaugurated in 1994 with a surface area of ​​432,037 square meters at that time.[2]​.

En el polígono están instaladas una cincuentena de empresas.[6]​ Entre las empresas con sede en O Campiño destacan Reyes Hermanos (distribuidora de harinas), A Devesa (panadería y repostería), Moldes (alimentación), Cristalería Pontevedresa,[7]​ fábricas de tableros[8]​ así como empresas auxiliares del automóvil, entre otras.[9]​[10]​[11]​.

In June 2008, Telmo Martín, local spokesperson for the PPdG, proposed moving the pulp factory that the ENCE company has in Lourizán, to O Campiño (after a major planned expansion), an event that did not take place.[12][13]​.

According to José Luís Valiñas, president of the O Campiño Business Association, in January 2009 more than 1,500 people worked in the business park.[14]​.

• - Economy of Pontevedra.