NTM Engineering, Inc.

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Susan Giannantonio, MS, PE, CPESC

Susan is a senior project manager who specializes in stormwater design, erosion and sediment control (E&S) design, NPDES permitting, highway design, and site development with over 27 years of experience. Her water resource experience includes drainage, stormwater and E&S designs and permitting for both public and private sector projects. Her highway and site development background includes the development of roadway alignments, site grading, traffic control, and pavement marking design development. She has experience with railroad grade crossing involvement, submitting PUC applications and acquiring local municipal zoning/land development approvals. As part of stormwater management and project work, she has developed landscaping and planting layouts incorporating both functional and aesthetic considerations. Susan has developed numerous Americans with Disabilities Act (ADA)-compliant curb ramp designs following requirements for PennDOT and the City of Philadelphia, co-presenting on the topic at an American Society of Highway Engineers technical session with PennDOT staff. As part of her work here at NTM, she has developed and taught short courses on stormwater management BMP practices for PennDOT.

NTM News

NTM Welcomes Martinez to Environmental Division

We are pleased to welcome Rodney Martinez as our newest Senior Scientist in the Environmental Division! Rodney joined NTM on February 2, 2026, in … [Read More]

MacKay Presenting at 2025 IRISE Stormwater Symposium

NTM Vice President and Stormwater & Civil/Site Division Manager Jeff MacKay, MS, PE, CPESC will be presenting at the 2025 Impactful Resilience … [Read More]

NTM Welcomes Jason Carver to Structures

We are pleased to welcome Jason Carver, EIT, CBSI as our newest Project Manager in our Structures & Transportation Division! Jason joined NTM … [Read More]

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NTM Engineering, Inc.
130 West Church Street, Suite 200
Dillsburg, PA 17019-1278
Phone: (717) 432-4425
Fax: (717) 432-4426

State College Office
341 Science Park Road, Suite 203
State College, PA 16803
Phone: (814) 862-9191

Wayne Office
435 Devon Park Drive
Building 800, Suite 803
Wayne, PA 19087
Phone: (610) 605-3104

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