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Macinnis Group LLC

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pennstress.com
Homepage of Macinnis Group LLC
Their homepage, crawled JUL 30, 2026
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersRoaring Spring, PA
SAM.gov UEIWJ1KEK1FANC8
LISTED ON FACTORYREGISTRY100%SOURCE COVERAGE

PennStress manufactures precast and prestressed concrete products including parking garages, bridge beams, buildings, prisons, and stadiums, serving the Mid-Atlantic region. The company holds Prestressed/Precast Concrete Institute (PCI) certifications in Architectural Precast Concrete Products, Prestressed Deflected Strand Bridge Beams, and Prestressed Deflected Strand Structural Members, and is a member of the National Precast Concrete Association.

Summarized from the company’s own website

Their plant

FacilityCityStateEmployeesStatus
Macinnis Group LLCRoaring SpringPA ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.