Your REP Connection for Commercial Fenestration

About Us

Gregg White, Owner – President
Gregg has extensive knowledge and over 30 years’ experience
in commercial envelope design and construction. Gregg has a proven
track record of matching client needs with best in class products and services.
His blend of technical sales and business development translates into
successful long-term projects for our clients.


Nate White, Estimator – Project Manager
Nate has worked at AluSpec since 2003 and is a valuable part of our team.
His attention to detail, organization and problem solving contribute to successful
projects and client satisfaction.  Nate has considerable knowledge of Division 8
products and enjoys working closely with clients and manufacturers.

Justin Ostermiller, Estimator – Project Manager
Justin joined AluSpec in February 2018, and brings a strong background
in business management and all aspects of customer service. He has a
bachelor’s degree in Business Finance from UW-Whitewater. His keen
understanding of business, proactive attitude and attention to detail 
adds strength to our team.

Jenny Bahr, Administrative Specialist  
Jenny joined our team in January 2019.  She has a solid business
background coming from the real estate and title insurance industry. 
Jenny’s organized approach and efficient style are essential to managing
he flow of construction project information. Jenny is a UW Platteville
graduate with a bachelors degree in History.

Jane White, Vice President
Jane manages the business systems and bookkeeping for the firm.
Jane has an appreciation of architecture and enjoys taking photos of
AluSpec projects. She updates the website and helps with promotional
events and presentations.  

AluSpec Inc. aims to service clients with timely, accurate, and industry advancing products and services.