Portfolio Companies Strategic Partnerships

StoneMason Global is a strategic investment and management consulting firm that partners with high-potential companies through a proprietary and highly selective process. We identify and engage with scalable businesses that align with our investment mission—organizations that exhibit strong technical capabilities, a commitment to dynamic culture, and a focus on delivering customer-centric solutions.

Our strategic partnerships go beyond capital. Through an integrated investment of strategic guidance, operational expertise, and tailored resources, StoneMason empowers its Portfolio Companies to accelerate profitable revenue growth and expand into new markets. As a collaborative and engaged partner, we are deeply committed to the long-term success of our Portfolio. Together, we are achieving transformational milestones and building enduring value.

Portfolio Companies

J-Mark Products, Midwest-United States

With over 63 years of manufacturing excellence, J-Mark Products is a leading manufacturer specializing in complex, precision-engineered components. The company is recognized for its sustainable practices, complex technical problem-solving capabilities, and superior customer support. As a Tier 1 Supplier and IATF 16949 Certified Company, J-Mark provides sustainable solutions to complex manufacturing challenges across a wide range of industries. Including automotive, transportation, data storage centers, electronics, medical, and other OEM manufacturing sectors. Renowned for its deep technical expertise and ability to deliver exceptional results, J-Mark’s engineering team consistently delivers on-time innovative, high-precision solutions that meet the evolving needs of clients nationwide. To learn more: https://j-markproducts.com

SkyCoat Industrial Armor, Midwest-United States.

With an outstanding reputation for high-quality coating and finishing solutions coupled with exceptional customer service, SkyCoat is an industry leader with deep technical expertise in Powder Coating, E-Coating, Wet Painting, Liquid Coating, Conversion Coating, and Surface Preparation. Additional value add services include: Masking, Assembly, Kitting and Packaging. Custom projects on a variety of metals are welcomed. The company is ISO 9001:2015 Certified, Rohs Compliance Certificate of Alodine 5200 and 5900 ensuring consistent quality standards across its operations and serves critical markets including automotive, medical, data storage centers, transportation, electronics, agriculture, and other OEM manufacturing sectors.

To learn more: https://skycoat.com