Welcome to CARBON ENGINEERING INC.

CARBON ENGINEERING INC. (CEI) is a civil and environmental engineering firm established in 1974 by Ronald Tirpak. The mission of CEI is to provide cost-effective services to private and governmental clients having projects in eastern Pennsylvania.

The CEI family is growing!

We would like to welcome Loren A. Salsman, P.E., to the team!

About CARBON ENGINEERING INC.


CEI offers a wide range of engineering services in the field of municipal engineering in a manner to achieve fast, efficient, and cost-effective designs. Please see our Current Governmental Client List for the Boroughs, Townships, Planning Commissions, Authorities, and Counties that CEI represents.
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We have worked with



We Are Proud Members Of



CARBON ENGINEERING INC. is also a proud ‘PennDOT Business Partner’ and a ‘PennDOT Pre-Qualified Consultant’.
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