For over
20 years Preinsa
has been supplying high-precision machining parts in the metalworking 
cluster for companies in the automotive sector,
ground support equipment and tooling for
aerospace, electronics and professional video applications. 
Why should you do business
with Preinsa?
We are an ISO-9001 certified machine shop with focus on high precision manufacturing services to fulfill our customer specifications, with on-time delivery and at prices that produce sustainable prosperity for both partners and Preinsa. 
See more
Download our
ISO 9001:2015 Certificate
ISO Certificate
Download our
UNE-EN 9100:2018 (AS9100D)
UNE-EN
We provide fabrication services for the manufacturing of precision parts made out of metals, polymers and castings, including heat treatments and finishes, such as paint and other electrolytic processes. 
Preinsa Values
Integrity
Do what we believe is correct within the context of our mission, vision, and values.
Service
Motivation to seek the best possible outcome for those whom we serve. 
Teamwork
Develop an environment that fosters collaboration and respect for others in order to achieve success for everyone. 
Initiative
Actively look for opportunities to improve. 

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News
By Daniela García 09 Dec, 2019
Preinsa have gotten the country brand certification "Essential Costa Rica" which is the country competitiveness label created with the aim of fulfilling the promise that Costa Rica have made to the world: the guarantee that the companies that use the country brand represent country values of Excellence, Sustainability, Innovation, Social Progress, and Costa Rican Origin.
By Daniela García 09 Dec, 2019
Preinsa finished the implementation process for the AS9100D, a widely adopted standard for a quality management system required by the aerospace industry with the support of the Aerospace Cluster of Costa Rica. Audit process will be scheduled for Q2-2020.
By Daniela García 31 Jul, 2017

Preinsa certified its quality management system ISO-9001:2008 in September 2015. 

Now,  ISO 9001:2015 is being implemented and a certification audit will be performed the first half of 2018.

By Daniela García 31 Jul, 2017
A Bridgeport V480 APC vertical milling machine with integrated automatic horizontal pallet changing
capability was bought by PREINSA at CHICAGO IMTS. This is a new generation of high production pallet
machines designed to achieve maximum capacity and performance for aerospace and automotive
industries.
Equipment features:
  • Mitsubishi M70-4AVU control
  • 20 tool changer, tool change of 3.8 second chip-to- chip.
  •  Spindle air purge with a speed of 10,000 rpms.
  •  Working surface 600 mm x 400 mm.
  • Travels: (X)480 mm, (Y)401 mm, (Z) 429 mm.
  •  Chip conveyor hinge type.
  •  High pressure coolant pump which features a through spindle coolant 280 psi system.
  • Renishaw wireless probe package.
  • Pallet changer time of 9 seconds.
By Daniela García 31 Jul, 2017
Preinsa acquires a new Okuma L300-MY lathe with live tools capacity.
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