GlenMartin invests in a wide variety of infrastructure-related projects both in the USA and abroad. 


We serve our investors by building value through innovative private businesses, real estate, and infrastructure in a variety of asset classes.


With over 100 years of experience in infrastructure and manufacturing, our new modern concepts integrate with the rich heritage of our original brand to allow further adaptation to a constantly changing world.




Through the years

humble beginnings

(W.C. Martin & Son Machine Shop and Welding)

W.C. Martin establishes a small blacksmith's workshop in the countryside of Missouri.

Inheriting the business

(LEFT: Robert "Glen" Martin next to his father William Christopher)

Glen Martin inherits the company from his father W.C, moves back from Chicago to Missouri, and builds upon his tool & die company.

1960 - 1970
The Appliance REvolution


Glen Martin wins contract to produce the top appliances for a growing American middle-class.

Glen Martin Engineering


Glen Martin Engineering, Inc. was opened to begin the advancement of telecommunication structures. The Hazer was developed – to make it easier to transport antennas up and down a tower. 

Late 1980's Late 1980's
The Foldover tower


SSI reached out in the late’80s - wanted to utilize GM tech to create RWIS structure (Road weather info system) 

Created the “Aluminum Foldover Tower” that revolutionized the industry. SSI quickly asked for 50+ towers to be built across the mid-west and northern states.

1990 - 1999
the Transition


Rapid growth in the 90's allowed for expansion outside the US. The company's expanded offering included turnkey construction services and project management. 

By this time, Christopher Martin, the grand son of Glen Martin, is beginning his college career, while the company seeks to transition to a new industry...

2000 - 2011
Telecom boom


The rise of telecommunications resulted in Chris Martin and his 3 brothers fully integrating themselves in the family business.

The experience gained from international and domestic infrastructure development resulted in the brothers paving the way for the continued success of Glen Martin.

Eventually, the brothers would create their own successful businesses through the networks they've built working together. 

2012 - 2018
Continued Success

Robert spent more time with his wife and pursued his passions in technology while his son and grandsons built upon his successes. 

During this time, Chris Martin and his brother started a few infrastructure development companies that eventually led to their years of hard work paying off.

Acquisition by Macquarie Infrastructure and Real Assets
In 2019, the telecommunications infrastructure company founded by the brothers called "Blue Bird Network", was acquired by Macquarie Infrastructure and Real Assets - one of the largest infrastructure management groups in the world.
2019 - 2020 Extra Label
A new Era


Following the sale of his previous company, Chris Martin set his sights on new opportunities for innovation. The result of this shift has paved the way for the development of the luxury brand "Ketsali Hospitality" and the future of Glen Martin...

The present Day
Learn more about our current projects

View our portfolio

From real estate, sustainable global infrastructure, and new energy development, we are investing in innovative projects for a brighter future.