Based In Michigan. Trusted Across The Midwest.

Assemblers Group was founded in 1986 by Frank Sample, Sr. as a specialized precast erector. Today, under second-generation leadership, we self-perform precast concrete and structural steel erection on commercial, industrial, healthcare, civic, and stadium projects throughout Michigan and the Midwest.

What we stand for

• Safety first — Protecting workers while keeping the project on schedule.
• Planning and precision — Pre-erection sequencing and constructability review before mobilization.
• Collaborative teamwork — Tight coordination with engineers, fabricators, and general contractors.
• Quality assurance — PCI-Certified Erector for more than 20 years.

PCI Certification

Assemblers Group is certified by the Precast/Prestressed Concrete Institute as an erector in categories S1 (Simple Structural Systems), S2 (Complex Structural Systems), and A (Architectural Systems). The PCI Erector Certification Program audits both field operations and company-level management practices.