Diamond delivers civil, mechanical and electrical construction projects—design, construction and engineering—with a commitment to quality and care for the environment. Based in Huaraz since 2014, working across Áncash and other regions of Peru.
Integrated management system
ISO 9001 · 14001 · 45001
Trusted by
01 · City and buildings
The setting-out grid and survey stakes fix where every street, lot and foundation goes.
01 · City and buildings
We develop urban land and raise the buildings, together with the roads, sidewalks and parking areas that connect them.
02 · Water and sanitation
Under the streets, drinking water and sewerage. On the hillside, the geomembrane-lined reservoir and the conveyance line; on the terraces, irrigation.
03 · River and road
River defenses and ravine protection keep floodwater away from the road, the bridge and the city.
03 · River and road
Earthworks and asphalt paving—including for inspections of buried pipelines—and the upkeep of the road afterwards.
04 · Energy
We design and build substations and power networks, and have delivered utilization systems at 10, 22, 33 and 220 kV.
05 · Industry
Engineering, fabrication and erection of structures, platforms, tanks and spools, with or without rubber lining.
06 · Mining
Maintenance in concentrator plants—flotation, grinding, reagents—and of the equipment that pumps the concentrate.
Slurry pipelines The journey of the concentrateInside the plant
07 · Equipment
Execution and/or rental of heavy machinery, dump trucks, a boom truck and equipped all-terrain vehicles.
Our motto
Civil, mechanical, electrical and equipment: one team, based in Huaraz. Tell us what you need to build.
What we do
Diamond Engineering & Development (EMPRESA DIAMOND S.A.C.) is an engineering and construction company founded in 2014 in Huaraz, Áncash, Peru. As a construction contractor in Áncash, it designs, builds and maintains civil, electrical and mechanical works, and executes or rents heavy equipment. It has worked for Antamina and Volcan under an integrated ISO 9001, 14001 and 45001 management system.
Utilization systems delivered10 · 22 · 33 · 220 kV
Electrical & instrumentation
Sectors we serve
Verifiable credentials
Payroll headcount
381workers in June 2025, the highest on record
| Period | Workers |
|---|---|
| 2015–2017 | 2 to 3 |
| 2018 | ~10 |
| Sep 2019 | 67 |
| Aug 2022 | 54 |
| Oct 2023 | 119 |
| Jul 2024 | 146 |
| Jan 2025 | 205 |
| Jun 2025 | 381 |
| Aug 2025 | 372 |
| Nov 2025 | 273 |
Featured projects
Huayllay, Pasco
Fortaleza Valley, Áncash
San Marcos, Huari, Áncash
Electrical & instrumentation
Yanacancha → Punta Lobitos, Huarmey · ~304 km
Clients who have trusted us
Volcan 
To carry out civil, mechanical and electrical construction projects (design, construction and engineering) with excellence in quality, caring for the environment, satisfying our clients, developing the social and economic environment, and creating jobs and a work climate that fosters personal and professional growth.
To be a reliable, leading company in the delivery of engineering, execution and maintenance projects, through innovation and the development of our people.
Motto“Diamond: safety and quality on the shortest schedule”
Stories
Each one walks through a service in 3D, from surveying to the concentrator plant. Scroll inside the film and the work moves forward. The films are in Spanish.
01The journey of the concentrateSlurry pipelines
02Inside the plantConcentrator plant
03220 kV powerElectrical
04From HuarazThe company
05River and rockRiver defenses
06From plan to slabCivil works
07The water that arrivesWater and irrigationResources
Technical article · River defensesGabions or riprap: how to choose riverbank protectionA comparison for designers and project managers: where each solution fits, what the river demands and what maintenance demands.Read the article (in Spanish) We are headquartered in Huaraz (Áncash) and have an office in Jesús María, Lima. In 2026 we are carrying out works at mining operations in Áncash, Junín and Pasco.
Both. We execute civil, mechanical and electrical works, and we also rent heavy machinery, dump trucks, a boom truck and 4x4 pickups.
Yes. We are registered in the National Supplier Registry (RNP) as a category A works consultant in sanitation, electromechanical works, dams and irrigation, urban works and buildings, and roads and ports.
Contact
Tell us the scope, location and schedule. A Diamond engineer will reply with a proposal.
