Professional Engineering Associates, Inc, A Mainstay Company., A Mainstay Engineering Company

Professional Engineering Associates, Inc, A Mainstay Company., A Mainstay Engineering Company company information, Employees & Contact Information

Updated June 2026

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Professional Engineering Associates, Inc, A Mainstay Company., A Mainstay Engineering Company is a Civil Engineering company and founded in 1978. It has approximately 31 employees on record. Contact data was last refreshed in June 2026. Find Professional Engineering Associates, Inc, A Mainstay Company., A Mainstay Engineering Company's verified employee emails, phone numbers, headquarters address, and key decision makers below.

Professional Engineering Associates (PEA), a Mainstay Engineering Company, is a South Carolina-based civil and structural engineering firm with over 45 years of design experience and a strong focus in the industrial, manufacturing, healthcare, and commercial sectors. Known for its dedication to client service and project excellence, PEA has built a reputation for delivering innovative and reliable engineering solutions across a variety of industries. In January 2025, Mainstay Engineering Group proudly welcomed Professional Engineering Associates (PEA) of South Carolina into our organization. This strategic acquisition unites two highly respected engineering firms, combining over 40 years of expertise in civil and structural engineering. Together, we strengthen our commitment to delivering innovative, client-focused solutions for mission-critical industries while expanding our reach and capabilities to better serve our clients. Read more here: https://www.megr.com/peaacquisition For more information visit www.PEAofSC.com or www.MainstayEngineering.com. Follow Mainstay Engineering Group for news and updates. https://www.linkedin.com/company/mainstay-engineering-group

Company Details

Employees
31
Founded
1978
Address
110 Edgeworth Street, Greenville,south Carolina 29607,united States
Industry
Civil Engineering
NAICS
Heavy and Civil Engineering Construction
Other Heavy and Civil Engineering Construction
HQ
Greenville, South Carolina
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