Structural Steel Erection Project Portfolio
PENN’s steel erection projects reflect our ability to execute complex structural work with precision, efficiency, and a strong commitment to safety. Each project showcases the expertise of our union crews and our collaborative approach with general contractors and trade partners. From early coordination through final placement, we focus on accuracy, schedule integrity, and seamless integration to support successful project outcomes.
Meramec Ameren
PENN supported the Meramec Ameren project, delivering dependable construction services for essential energy infrastructure through precision and coordination.
900 Tucker
PENN supported construction at 900 Tucker, delivering reliable services for a complex downtown commercial project requiring precision and coordination.
700 Market
PENN supported construction at 700 Market, delivering reliable workmanship and coordinated execution on a high-profile downtown commercial project.
300 S Riverside
PENN supported the construction of 300 S Riverside, delivering dependable services that meet the demands of large-scale commercial development.
Arch Museum
PENN supported construction of the Arch Museum, contributing expert services to a landmark cultural facility in the heart of downtown St. Louis.
Bridgeview Courthouse
PENN contributed to the Bridgeview Courthouse project, supporting a durable civic facility through precise execution and reliable construction expertise.
Buttercup Park
PENN helped bring Buttercup Park to life, delivering reliable construction services that enhance public spaces, community access, and lasting quality.
Cervantes Convention Center
PENN supported construction at the Cervantes Convention Center, delivering dependable services for a large-scale civic facility designed to serve the community.
Clayton Tower Crane
The Clayton Tower Crane project demonstrates PENN’s ability to support complex, high-profile construction operations through precision, safety, and dependable execution.
Cliff Cave Bridge
PENN supported construction efforts on the Cliff Cave Bridge, contributing reliable workmanship and coordinated execution on a vital transportation infrastructure project.
Cook County Hospital
PENN supported the construction of Cook County Hospital, contributing reliable, high-quality services to one of the country’s most prominent public healthcare facilities. The project reflects our experience in complex, large-scale institutional construction.
Cortex Innovation District
PENN contributed to the construction within the Cortex Innovation District, supporting a modern, collaborative development built for research, technology, and growth.
Forest Park Waterways
PENN contributed to the Forest Park Waterways project, delivering reliable construction services in support of critical public infrastructure and environmental improvements.
HOK Offices
PENN supported the HOK Offices project by delivering reliable construction services tailored to a modern, design-focused office environment requiring precision and coordination.
Illinois Department of Transportation
PENN supported the Illinois Department of Transportation with reliable construction services, contributing to critical public infrastructure through quality craftsmanship and coordinated execution.
Kirkwood Lyons Stadium
PENN contributed to the construction of Kirkwood Lyons Stadium, supporting a modern athletic facility built for community events and long-term performance.
Laumeier Sculpture Park
PENN supported construction efforts at Laumeier Sculpture Park, contributing reliable services to a culturally significant public space with a focus on quality and long-term performance.
Lower Meramec Wastewater Treatment Plant
PENN supported the construction of the Lower Meramec Wastewater Treatment Plant, contributing reliable, high-quality services to a vital municipal infrastructure project.
Worldwide Technology
PENN supported construction for Worldwide Technology, contributing skilled services to a modern corporate facility built to meet high operational and performance standards.
Wydown Middle School
PENN provided construction services for Wydown Middle School, supporting the creation of a safe, durable educational facility designed to serve students and the community.
1 Cardinal Way
PENN supported construction efforts at 1 Cardinal Way, contributing skilled services to a prominent development defined by coordination, precision, and quality execution.
Barnes-Jewish Community Hospital
PENN contributed expert construction services to the Barnes-Jewish Community Hospital project, supporting the delivery of a modern healthcare facility built with precision, safety, and long-term performance in mind.
6016 Barn S
At 6016 Barn S, PENN delivered reliable construction support, emphasizing quality craftsmanship, efficient execution, and coordination within a commercial building environment.






















