Erdman Anthony Holding Company Inc

We Are the Community That Builds Communities

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About the firm

Erdman Anthony is an multidisciplinary engineering practice dedicated to developing superior infrastructure solutions. Founded in 1954, it delivers consulting engineering, land surveying, and construction support services across the eastern United States. The organization collaborates with public and private sector clients of all sizes to design and manage bridges, highways, facilities, water systems, and specialty building systems.

Established
1954
Team
Midsize
Firm type
Civil Engineering · Structural Engineering · Electrical Engineering · Mechanical Engineering · Transportation Engineering · Water / Wastewater Engineering · MEP · Land Surveying

People

Curt HelmanPresident and CEO

Capabilities

Transportation Engineering

Planning and design services for roadways, highways, and traffic systems to ensure safe and efficient transit.

  • Bridge and Structure Design
  • Highway and Street Design
  • Parking Lot Design
  • Right-of-Way Structures
  • Sidewalk, Trail, & Bicycle Path Design
  • Traffic Engineering

Rail Engineering

Comprehensive design and planning services for passenger and freight rail networks, including track alignment and platform design.

  • Rail Freight Transfer Facilities Design
  • Rail Planning and Design
  • Rail Station and Platform Design
  • Rail Track and Bridge Design

Building Systems Engineering

Mechanical, electrical, plumbing, and specialty engineering services for building infrastructure and energy performance.

  • Building Control Systems Design
  • Central Plant Design
  • Electrical Power and Distribution
  • Existing Building Surveys and Planning
  • Fire Protection and Life Safety
  • Heating, Ventilation, and Air Conditioning
  • Lighting Design
  • Process Piping and Plumbing Systems
  • Refrigeration Engineering

Water and Wastewater Engineering

Hydraulic and environmental engineering solutions for water distribution, wastewater collection, and stormwater control.

  • Dam Support
  • Stormwater Management
  • Wastewater Collection Systems
  • Water Distribution Systems

Site Development and Civil Infrastructure

Civil engineering and site planning services to support the development of parks, commercial facilities, and municipal projects.

  • Park Infrastructure Design
  • Site Planning/Land Development

Construction Services

Construction management, inspection, and administrative support to guide infrastructure projects from groundbreaking to completion.

  • Construction Consultation
  • Construction Inspection, Observation, and Documentation
  • Construction Management, Engineering, and Administration

Surveying and Geospatial Technologies

High-accuracy land surveying, 3D laser scanning, and GIS mapping to support project planning and engineering design.

  • Geographic Information Systems (GIS)
  • Laser Scanning
  • Survey and Mapping

Specialized Consulting and Support Services

Consulting expertise in building commissioning, energy analysis, peer reviews, and sustainable facility operations.

  • Building Information Modeling (BIM)
  • Commissioning
  • Condition Evaluation and Planning
  • Energy Efficiency Consulting
  • Geothermal Design
  • Grant Implementation, Monitoring, and Reporting
  • Peer Review
  • Sustainable Design
  • Value Engineering

Industries

Bridges · Highways & Roads · Rail · Commercial · Land Development · Education · Healthcare · Food & Beverage · Industrial · Government · Parks & Open Space · Sports & Recreation · Retail · Utilities · Water Supply · Wastewater

Projects

PA Route 75 over Norfolk Southern Bridge Replacement

Port Royal, PA · Bridges · Client: PennDOT District 2-0

Project details

A $4.2 million bridge replacement project carrying PA Route 75 over the Norfolk Southern railroad tracks.

S-620 Gated Culvert

Palm Beach County, FL · Stormwater & Flood Control · Client: South Florida Water Management District

Project details

A $13.6 million gated culvert construction project supporting regional water management.

Upper School Addition at Virginia Academy

Ashburn, VA · Education · Client: Community Church

Project details

A $28 million educational facility expansion featuring the addition of a new upper school building.

Douglass-Anthony Memorial Bridge

Rochester, NY · Bridges · 2007 · Client: City of Rochester

Project details

A structural landmark signature bridge design that transformed the Rochester skyline.