ABOUT US
The Chamber
Our Offices
Meet Our Team
Meet Our Board
FAQ
CHAMBERS & COUNCILS
Regional Chambers
>
Allentown Area Chamber
>
Hamilton District Main Street Program
Bethlehem Area Chamber
>
Downtown Bethlehem Association
Carbon Chamber & Economic Development Corporation
Easton Area Chamber
>
Forks Business Association
East Penn Area Chamber
Emmaus Main Street Partners
Greater Bath Area Chamber
Greater Northern Lehigh Chamber
Hellertown Lower Saucon Area Chamber
Nazareth Business Council
Northampton Area Chamber
Phillipsburg Area Chamber
Southern Lehigh Area Chamber
Western Lehigh Area Chamber
Whitehall Area Chamber
Business & Diversity Councils
>
African American Business Leaders Council
Ambassadors Council
Hispanic Chamber of the Lehigh Valley
LGBT Business Council
Nonprofit and Business Partners Council
Small Business Council
Veteran's Business Council
Women's Business Council
Young Professionals Council
EVENTS
Chamber Event Calendar
Event Recaps
Share Your Event
ADVOCACY
Public Policy
>
Energy & Environment Committee
Healthcare Committee
Tax & Regulatory Committee
Manufacturing Committee
Transportation Committee
LGBT Pledge
MEMBERSHIP
Join The Chamber
>
Membership Application
Member Benefits
>
Ribbon Cuttings & Grand Openings
Event Sponsorship
Marketing with The Chamber
Member-Exclusive Affinity Programs
Member Deals & Discounts
Refer a Member
Member Login
BUSINESS DIRECTORY
Business Directory
Business Connect
COMMUNITY
Chamber Foundation: Main Street Lehigh Valley
PRESS
>
Chamber Blog
Business Matters
Testimonials
Travel with The Chamber!
Employer and Workforce Services
Our Community Partners
>
Capital BlueCross
Lehigh Valley Economic Development Corporation
Workforce Board Lehigh Valley
Visit the Lehigh Valley
ABOUT US
The Chamber
Our Offices
Meet Our Team
Meet Our Board
FAQ
CHAMBERS & COUNCILS
Regional Chambers
>
Allentown Area Chamber
>
Hamilton District Main Street Program
Bethlehem Area Chamber
>
Downtown Bethlehem Association
Carbon Chamber & Economic Development Corporation
Easton Area Chamber
>
Forks Business Association
East Penn Area Chamber
Emmaus Main Street Partners
Greater Bath Area Chamber
Greater Northern Lehigh Chamber
Hellertown Lower Saucon Area Chamber
Nazareth Business Council
Northampton Area Chamber
Phillipsburg Area Chamber
Southern Lehigh Area Chamber
Western Lehigh Area Chamber
Whitehall Area Chamber
Business & Diversity Councils
>
African American Business Leaders Council
Ambassadors Council
Hispanic Chamber of the Lehigh Valley
LGBT Business Council
Nonprofit and Business Partners Council
Small Business Council
Veteran's Business Council
Women's Business Council
Young Professionals Council
EVENTS
Chamber Event Calendar
Event Recaps
Share Your Event
ADVOCACY
Public Policy
>
Energy & Environment Committee
Healthcare Committee
Tax & Regulatory Committee
Manufacturing Committee
Transportation Committee
LGBT Pledge
MEMBERSHIP
Join The Chamber
>
Membership Application
Member Benefits
>
Ribbon Cuttings & Grand Openings
Event Sponsorship
Marketing with The Chamber
Member-Exclusive Affinity Programs
Member Deals & Discounts
Refer a Member
Member Login
BUSINESS DIRECTORY
Business Directory
Business Connect
COMMUNITY
Chamber Foundation: Main Street Lehigh Valley
PRESS
>
Chamber Blog
Business Matters
Testimonials
Travel with The Chamber!
Employer and Workforce Services
Our Community Partners
>
Capital BlueCross
Lehigh Valley Economic Development Corporation
Workforce Board Lehigh Valley
Visit the Lehigh Valley
GPI - Greenman Pedersen Inc.
Search
|
Advanced Search
|
New Members
|
Coupons and Discounts
|
All Categories
 
Business & Professional Services
>>
Engineering
GPI - Greenman Pedersen Inc.
1320 Hausman Road
Allentown
,
PA
18104
|
View on Google Maps
Heather Kubic Skapyak
484-869-5566
Visit Site
GPI is a multi-discipline engineering firm that has been providing professional design, planning, and construction inspection services to all levels of government and industry throughout the United States for 50+ years. GPI is currently ranked 70th among the top 500 largest engineering design firms in the United States by Engineering News Record (April 2024). With a staff of over 1,800 professionals, offices throughout the United States, and access to specialized services, GPI is able to provide the required resources to complete each client’s specific assignment. Originally established in 1949, the practice in Scranton has been providing professional engineering services in the architectural field throughout the Mid-Atlantic Region for over 50 years. In 2001, Long Island based Greenman- Pedersen, Inc. (GPI) acquired the practice.
Our Services
Building Systems | Mechanical, Electrical, Plumbing, Fire Protection, and Structural Engineering and Commissioning Land Planning | Civil Engineering, Surveying |
Transportation Engineering, Bridge and Highway Engineering, and Construction Inspection
Member Since: 2024
Send a message to:
GPI - Greenman Pedersen Inc.
Your Name
:
Your Email
:
Subject
:
Message
:
(
Date
:
12/10/2025
)
Upcoming Events
Thank you to our 2018 Directory Sponsors and our Corporate Partners