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PSPE Sustaining Associate Members include firms, corporations, companies, and organizations whose mission aligns with PSPE’s mission to foster licensed professional engineers in service to society. including, but not limited to Consulting Firms, Engineer Firms, Insurance Firms, Law Firms, Land Development Companies, and Legal Entities that provide goods and services to the engineering community.

The information about providers and services on this website does not constitute endorsement or recommendation by PSPE. 

A.D. Marble »
A.D. Marble is a DBE/MBE/WBE firm specializing in natural resources, cultural resources and water resources engineering work with the support of a communications division and a drones team.
Barry Isett & Associates, Inc. »
Barry Isett & Associates is a multi-discipline firm that can provide single-source engineering and start-to-finish project involvement in the design, construction, operation, maintenance, renovation, and replacement of facilities.
Barton Associates »
With more than 50 years of design excellence, Barton Associates provides quality MEP engineering and lighting design solutions across the Mid-Atlantic region.
Bassett Engineering, Inc. »
Bassett Engineering is a state-of-the-art civil and environmental engineering firm ready to assist clients with engineering services.
Borton Lawson »
Borton-Lawson combines technology with engineering expertise to deliver solutions in a variety of markets.
CJL Engineering »
CJL Engineering works with many highly diverse clients on a remarkable range of project types. Our Subject Matter Experts are recognized for mastering some of the most challenging projects in the region.
Concord Engineering »
Concord Engineering Group is a full-service engineering, energy commodity consulting, construction management and commissioning firm.
Engineering Consulting Services (ECS) is a leader in geotechnical, construction materials, environmental and facilities engineering
ENTECH Engineering »
No matter what challenge you’re facing, you want the best solution to overcome it.
First Capital Engineering »
First Capital Engineering, Inc. (FCE) is a small, woman-owned business. FCE has provides civil engineering, land surveying, landscape architecture, environmental and construction inspection services.
Fleisher Forensics »
We specialize in forensics engineering evaluations for litigation. Our clients are plaintiffs, defendants, the insured and claimants.
Gannett Fleming »
For more than 100 years, we’ve been a leader in global infrastructure solutions with a focus on planning, design, technology, and construction management services for a diverse array of markets and disciplines.
H.F. Lenz Company »
H.F. Lenz Company was established in 1946 and offers a full range of engineering services for private and public buildings and facilities. Our projects span the nation, with the heaviest concentration in the Northeast.
We specialize in engineering, architecture, environmental and construction services. We create an unshakable foundation for progress because our multidisciplinary teams also include scientists, economists, builders, analysts and artists.
Herbert, Rowland & Grubic, Inc. (HRG) »
We offer a full complement of technical expertise and engineering services.
Keller Engineering »
We are committed to providing the highest quality services available through maintaining excellent staff, purchasing state-of-the-art equipment, utilizing the latest drafting and engineering programs and techniques, and providing employees with professional training opportunities.
Keystone Structural Group »
Keystone Structural Group, Inc (KSG) is an engineering consulting firm that provides full-service structural engineering services to the architectural and construction community.
Klein & Hoffman »
We restore buildings. To functionality. To high performance. To grandeur. Pragmatic and practical, we push the envelope while being mindful of budgets, consistently delivering superior results.
McMahon Transportation Engineers & Planners »
McMahon Associates, Inc. specializes in delivering innovative engineering, planning, design and transportation technology solutions to our clients. We provide services for transportation projects from planning, to design and permitting, through construction.
Meliora »
Meliora Design was founded in 2007 with the idea that creative, sustainable, and cost-effective engineering solutions could restore healthy waterways and ecosystems. Our vision is a sustainable future, created in part by engineering informed by nature.
NDI Engineering Company »
NDI ENGINEERING COMPANY provides professional engineering and technical services to Government clients chartered with responsibility for the maintenance of our infrastructure, the protection of our environment, and the defense of our country.
Reilly Associates »
Reilly Associates' multi-disciplinary team provides a full range of civil engineering, planning, environmental, construction management and surveying services to both public and private clients. We have the experience to meet all your engineering service needs.
RGS Associates Inc. »
As an award-winning consulting firm of registered landscape architects and civil engineers, we provide our clients w/ creative site design & entitlement services beginning w/ initial feasibility investigations and continuing through project construction.
Traffic Planning and Design, Inc. (TPD) »
TPD is an ENR 500 Top Design Firm that exists to improve quality of life for the public, achieving this mission by providing tailored solutions and remaining dedicated to Moving Forward Together® with our partners.
TranSystems, Formerly L.R. Kimball »
TranSystems provides engineering and architectural planning, design and construction solutions to enhance the movement of goods and people across today’s integrated transportation infrastructure