Investment Fund Focus

PillarFour Capital invests in Sustainable, Energy Technology and Innovation Companies.

We target investments in technology companies with high ROIC, low capital intensity and a focus on commercial technologies aimed at enhancing sustainability and lowering carbon intensity in the oilfield services space.

We believe that great businesses are built by great teams. We back management teams with strong track records of creating value and draw on our own expertise and that of our extensive, global network of Energy and Technology professionals to ensure success.

Target Investments

Size & Structure

Target investment size of between $5-$15MM.

Participation in larger deals with support of co-investment.

Preferred equity, common equity, mezzanine and structured debt.

Transaction Types

Capital to pursue organic growth or growth by acquisition.

Expansion capital to acquire assets or grow an existing business line

Co-Investment alongside other PE Funds/ Partners


Strong management teams with proven track records.

Technology companies focused on reducing carbon intensity.

Defensible and sustainable competitive advantage.

PillarFour Capital Investments


The Bayou Companies has over 70 years experience providing high quality pipe coating products and services to the pipeline industry. Bayou offers internal and external FBE coatings, ID coatings and concrete weight coating to provide protection to oil and gas pipelines.

CleanTek Industries Inc

CLEANTEK designs, manufactures and rents proprietary products for oil and gas drilling and production operations and the commercial construction industry. CLEANTEK’S primary products offer advanced, patented solutions to the wastewater management and oilfield/construction lighting sectors.

PIllarFour Capital NuWave Corp 200

NuWave offers a revolutionary new method for oil and gas well and pipeline abandonment. NuWave’s Canadian-designed and patented hydro-cutting (water jet) system offers dramatic improvements over the traditional cut-and-cap process, including increased safety, minimal environmental disturbance and significant cost reduction.

Fluid Energy Group

Fluid is a global supplier of environmentally responsible, low-hazard and technically advanced completion and production chemical systems. Fluid has several proprietary blends of modified and synthetic acid systems with onshore and offshore applications to the oil and gas sector.

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