About Oldcastle Infrastructure Access Boxes

MacLean Highline is now Oldcastle Infrastructure.

Although we recently changed our name, many have long known us as ARMOR Access Boxes and Pentek Access Boxes, and prior to that, Ametek Access Boxes. The truth is, we have 40 years of experience doing what we do best: engineering and manufacturing access box products that offer the greatest innovation, strength, and value available.

Since we began doing business in 1968, product demand and manufacturing technology have undergone drastic changes, but our core values remain steadfast and true. Everything we do is focused on access box solutions to make your job easier.

Trust Oldcastle Infrastructure Access Boxes for our:

  • • Ongoing commitment to value
  • • Single-source product portfolio
  • • Outstanding product strength and performance
  • • Use of environmentally-friendly recycled content
  • • Exclusive, industry-leading 10-Year Lid Guarantee
  • • State-of-the-art manufacturing facilities and practices
  • • Quality customer service

Simply stated, with Oldcastle Infrastructure Access Boxes, “You’re Covered.”