About Priner

PRINER established as a business division of Mills Estruturas e Serviços de Engenharia S.A. and sold in 2013 to a Private Equity (PE) fund managed by Leblon Equities.

With a workforce of around 3,000, the Priner Group operates through the Priner Industrial Services and Priner Rental companies, in the Petrochemical, Pulp and Paper, Steel, Offshore, Naval, Mining and infrastructure sectors.

Specialized in access, industrial painting, insulation and positive pressure enclosures|Habitat, Priner seeks innovative and integrated solutions offering practicality and productivity, alongside environmental conservation.

Priner - Serviços Industriais Priner - Serviços Industriais



Operational start-up, as a MILLS business unit specialized in assembling access scaffolding in offshore and industrial facilities, an area in which it will lead and excel.


The unit was expanded in the 1990s to offer industrial painting and thermal insulation services.


Leadership in the area was consolidated with assembly of the heliport structure for the Petrobras P16 rig and the renewal of scaffolding contracts with Aracruz Celulose, among other projects.


Habitat launched, in partnership with Safehouse - positive pressure welding habitats for safe completion of hot work such as welding, cutting and grinding.


The Industrial Services unit is sold to a Private Equity (PE) fund managed by Leblon Equities and takes the name Mills|Si during the transition to the new trademark.


Launch of Web Deck, a suspended work platform system designed for bridges, viaducts and offshore environments.


Mills|Si changes its name to PRINER , acting on two fronts: Rental Priner Industrial Services and Priner


Acquisition of the company SMARTCOAT Engenharia em Revestimentos.

Our Mission

To serve Brazilian industry, focusing on high productivity, result-oriented management and a firm commitment to safety.

Our Vision

To be the best Brazilian industrial services company, recognized for its quality, punctuality and innovative solutions.

Our Values

Meeting deadlines

Personal development

Management focused on continuous improvement

Providing the best solutions – Innovation

Confidence through transparency – Credibility

Commitment to HSE


Leading by example

Focus on results

Códigos e Políticas

Política de Gestão

Política de Abuso de Substâncias

Política de Integridade contra a Corrupção e Suborno

Código de Ética e Conduta

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