Our company

We make our clients most complex
and relevant projects a reality,
creating value that empowers,
lasting development, and commitment
to society.

WE BUILD
OUR HISTORY

1933

"We hereby agree to form a technical society that we will call GRAMONVEL, with the aim of combining our knowledge to carry out any project or work."

Founding Act, June 22, 1933.
1937

The Sheraton Hotel was built in 1970 and was the first chain hotel built in Peru and the tallest hotel of its time.

Miraflores Baths
1945

The Talara Refinery modernization project will enable the production of cleaner fuels.

City of Talara
1952

With an initial capacity of 1,250 inpatient beds and 60 rooms to handle 2,000 outpatient consultations daily.

Employee Hospital
1957

Development of the open-pit copper mine.

Mina Cuajone
1972

First international five-star hotel in Peru.

Sheraton Hotel
1988

Emblematic works for tourism in Lima.

Marriott and Larcomar Hotel
2003

Construction of Peru's most important energy project.

Camisea Project
2010

First mass housing development in Peru.

El Agustino Park
2010

Construction of the first gas liquefaction plant in Latin America.

Pampa Melchorita Plant
2011

Construction of the tallest hotel in Peru.

Westin Hotel
2011

Construction of one of the most modern theaters in Latin America.

National theater
2014

Construction of the city for the Las Bambas Mining Project. It includes more than 380 houses.

City of Nueva Fuerabamba
2014

Construction of the wastewater treatment plant that will treat the water of more than 3 million people.

La Chira PTAR
2015

Construction of the expansion of the world's largest copper concentrating plant.

Cerro Verde Expansion
2016

Construction of the second largest hydroelectric plant in Peru.

Cerro del Águila Hydroelectric Power Plant
2018

We connect the city from south to north in a maximum time of 20 minutes.

Yellow Line Expressway
2018

We expanded the capacity of the Toquepala mine by delivering a concentrator plant that processes more material than expected.

Toquepala Mine Expansion
2020

EPC project for the construction of the new hospital that will benefit more than 1 million people.

INEN
2020

Civil works and electromechanical assembly of the primary crusher for BHP, the world's largest mining company.

Spence
2020

EPC project in Colombia that provides grid stability on the Atlantic coast.

La Guajira

THE MOST COMPLEX PROJECTS
IN THE MOST IMPORTANT SECTORS

Infrastructure

Gas and Oil

Buildings

Engineering