PENNSYLVANIA

Civil
Chemical
Electrical
Environmental
Environmental / Geotechnical / Materials Testing
Geotechnical
Mechanical
Mechanical / Electrical / Plumbing (MEP)
Multidisciplinary
Specialty
Structural

Civil

A. G. Lichtenstein & Associates, Inc.
Langhorne

Alfred Benesch & Co.
Pottsville

Aloysi Engineering Services, Inc.
Towanda

Applied Geoscience & Engineering, Inc.
Reading

Baker, Ingram & Associates
Lancaster

Bergmann Associates
Philadelphia

Boles, Smyth Associates, Inc.
Philadelphia

Burns Engineering, Inc.
Philadelphia

BVE/Vollmer Associates
Kennett Squar

Camp Dresser & McKee, Inc.
Lancaster

CMC Engineering
Valley Forge

Collective Efforts, LLC
Pittsburgh

Consoer Townsend Envirodyne Engineers, Inc.
Pittsburgh

Dawood Engineering
Camp Hill

Eugene J. Aufiero & Associates, Inc.
New Cumberland

Evans Engineering, Inc.
Harrisburg

Frederic R. Harris, Inc.
Philadelphia

Gannett Fleming, Inc.
Harrisburg

Dewberry-Goodkind, Inc.
Carlisle

Great Valley Consultants
Wyomissing

Greenhorne & O'Mara, Inc.
Mechanicsburg

Griffiths Engineering, LLC
Brackney, (866) 421-5785, www.griffithsengineering.com
Also see our listing under New York

HDR Engineering, Inc.
Pittsburgh

HNTB Corp.
Plymouth Meeting

ICF Kaiser Engineers
Pittsburgh

Jastrzebski Engineers, Inc.
Chalfont

JBC Associates, Inc.
King of Prussia

Johnson, Mirmiran & Thompson
York

KCI Technologies, Inc.
Mechanicsburg

Keller Engineering, Inc.
Hollidaysburg

Kenderian-Zilinski Associates
Malvern

Killam Associates
Warrendale

L. Robert Kimball & Associates, Inc.
Ebensburg

Larson Design Group, Inc.
Williamsport

Lennon Smoth Souleret Engineering, Inc.
Coraopolis

Mackin Engineering Co.
Pittsburgh

Mallik Engineering, Inc.
Lansdale

McCormick Taylor, Inc.
Philadelphia

McMahon Associates, Inc.
Ft. Washington

McTish, Kunkel and Associates
Allentown

Michael Baker, Jr., Inc.
Pittsburgh

Mid-Penn Engineering Corp. Building Better Communities Lewisburg, (570)524-2214 staff@mid-pennengineering.com, www.mid-pennengineering.com Mid-Penn Engineering Corporation provides land development consulting and design services for private and municipal clients. Core services are civil/site engineering, structural engineering, building technology design, environmental services, municipal engineering, and surveying. Project types include commercial, industrial, institutional, residential, and recreational. The scope of services encompasses the full spectrum of project planning and construction, from feasibility and conceptual design through permitting, preliminary and final plan preparation and submission, and construction inspection and administration.

Morris Knowles & Associates
Delmont

Orth-Rodgers & Associates, Inc.
Philadelphia

P. Joseph Lehman, Inc., Consulting Engineers
Hollidaysburg

Parsons Brinckerhoff
Philadelphia

Parsons Transportation Group
Philadelphia

Paul C. Rizzo Associates
Monroeville

Pellegrini Engineers, Inc
Altoona

Pickering, Corts & Summerson, Inc.
Newtown

Pinto Engineering Inc.
York

Pittsburgh Engineering Consultants, Inc.
Pittsburgh

Powell-Harpstead, Inc.
West Chester

RBA Group
Mechanicsburg

Resource International, Inc.
Pittsburgh, (412) 630-9420, www.resourceinternational.com
Also see our listings under Ohio and Indiana

RGS Associates, Inc.
Brownstown

Rummel, Klepper, & Kahl, L.L.P.
Norristown

SAI Consulting Engineers, Inc.
Pittsburgh

Schoor Depalma
Philadelphia

Sheladia Associates, Inc.
Camp Hill

Skelly and Loy, Inc.
Harrisburg

SP&K Engineering, Inc.
Uniontown

Stone Consulting & Design, Inc.
Warren

Sverdrup Civil, Inc.
Philadelphia

T. W. Consultants, Inc.
Wexford

Taylor, Wiseman & Taylor
West Chester

Traffic Planning & Design, Inc.
Pottstown

Transportation Resource Group, Inc.
York, (717) 846-4660, www.consulttrg.com

Triline Associates Inc.
Canonsburg

Turner Collie & Braden, Inc.
Philadelphia

Uni-Tec Consulting Engineers, Inc.
State College

Whitney, Bailey, Cox & Magnani
Mechanicsburg

Wilbur Smith Associates
Pittsburgh

Chemical

Process Engineering Associates, LLC
Boyertown

Electrical

Caplan Engineering Co.
Pittsburgh

Carl J. Long & Associates
Pittsburgh

Dawson Engineering, Inc.
Fairless Hills

Hornfeck Engineering, Inc.
Pittsburgh

Kichman Engineering Associates
Cornwall

Environmental

A. D. Marble & Co.
Conshohocken

ARCADIS Geraghty & Miller
Langhorne

CET Engineering Services
Harrisburg

CH2M Hill
Philadelphia

Chester Engineers
Moon Township

Civil and Environmental Consultants, Inc.
Pittsburgh

Cummings/Riter Consultants, Inc.
Monroeville

Environmental Resources Management
Exton

Liberty Environmental, Inc.
Reading, (610) 375-9301, jcinelli@libertyenviro.com, www.libertyenviro.com

Malcolm Pirnie, Inc.
Philadelphia

Mavickar Environmental Consultants, Inc.
Harrisburg

USA Environmental Management, Inc.
Upper Darby

Environmental / Geotechnical / Materials Testing

ARM Group, Inc.
Hershey

CMT Laboratories, Inc.
State College

D'Appolonia Engineering Division of Ground Technology, Inc.
Monroeville

Shield Engineering, Inc.
Pittsburgh

URS Corporation
Fort Washington, (215) 367-2500, www.urscorp.com

VFL Associates Inc.
Devon

Geotechnical

American Geotechnical & Environmental Services, Inc.
McMurray

Converse Consultants East
State College

Earth, Inc.
Pittsburgh

Geosystems Consultants, Inc.
Fort Washington

Triad Engineering, Inc.
Greensburg

Mechanical

Layne Engineering, Inc.
Willow Grove

Mechanical / Electrical / Plumbing (MEP)

Alderson Engineering, Inc.
Southampton

Arthur Schock Engineers
Pittsburgh

Brian E. Seley, P.E., Consulting Engineers
Brackney

Brinjac, Kambic & Associates, Inc.
Harrisburg

Claitman Engineering Associates, Inc.
Pittsburgh

Dimitri J. Ververelli, Inc.
Philadelphia

Dodson Engineering, Inc.
Pittsburgh

E & M Engineering
Huntingdon Valley

Elwood J. Tower Corp.
Pittsburgh

Gillan & Hartmann, Inc.
Valley Forge

Lawrence G. Spielvogel, Inc.
King Of Prussia

M. P. Hershman, P.E., Inc.
Feasterville

Meucci Engineering, Inc.
Carnegie

Michael L. Norris & Associates, Inc.
State College

P. L. Frank, Inc.
Pittsburgh

Ray Engineering
Pittsburgh

Schiller and Hersh Associates, Inc.
Oreland

Vincent A. Chiappardi, P.E.
Philadelphia

Multidisciplinary

Ammann & Whitney, Inc.
Philadelphia

Barry Isett & Associates, Inc.
Trexlertown

Benatec Associates, Inc.
New Cumberland

BL Companies
Harrisburg

Borton-Lawson Engineering, Inc.
Wilkes-Barre

Buchart-Horn, Inc.
York

Clough, Harbour & Associates, L.L.P.
Moosic

EADS Group Inc.
Altoona

Edwards and Kelcey, Inc.
West Chester

Electromechanical Engineering Associates, Inc.
Pittsburgh

Entech Engineering, Inc. Reading, 610-373-6667, mlloyd@entecheng.com Pottsville, 570-628-5655, dcuff@entecheng.com Mountaintop, 570-868-0275, epietroski@entecheng.com www.entecheng.com Entech Engineering, Inc. is a full-service engineering/architectural firm providing design/consulting services to municipal, industrial, commercial, college/university, and government clients. Civil/Environmental Resources Group plans/designs municipal/private water and wastewater systems, overseeing environmental issues and concerns. Facilities Planning and Design Group addresses the rehabilitation, renovation, and new building design for college campuses, industrial plants, and government/institutional facilities with a focus on green building. Facility Condition Assessment Group surveys the condition of buildings/systems, identifies significant deficiencies, and recommends corrective measures. This service can also include our customized FM-Assistant Database.

Erdman, Anthony and Associates, Inc.
Mechanicsburg

GAI Consultants, Inc. Transforming ideas into reality for over 50 years, GAI Consultants is a 650-person, employee-owned, multidisciplined engineering and environmental consulting firm serving clients worldwide in the energy, transportation, real estate, water, municipal, government, and industrial markets from offices throughout the northeastern, midwestern, and southeastern United States. 800-437-2150, www.gaiconsultants.com Offices: Pittsburgh, (412) 476-2000, p.yodnane@gaiconsultants.com Philadelphia, 610-640-7456, h.trout@gaiconsultants.com Altoona, (814) 201-2058, r.schilling@gaiconsultants.com Cranberry Township, (724-) 2011, p.yodnane@gaiconsultants.com Export, (724) 387-2170, a.morrocco@gaiconsultants.com Canonsburg, (724) 873-3545, p.gallagher@gaiconsultants.com Also see our listing in IN, KY, NC, OH, FL, NJ, VA, WI, and WV

Gipson Engineering
Pittsburgh

GTS Technologies, Inc.
Harrisburg

Gwin, Dobson & Foreman, Inc.
Altoona

Hawk Engineering, P.C.
Towanda

Herbert, Rowland & Grubic, Inc.
Harrisburg

H.F. Lenz Company
Johnstown, 814-269-9300, tmalas@hflenz.com, www.hflenz.com
Branch offices:
Pittsburgh, (412) 371-9073
Erie, (814) 455-7435

Hunt Engineering Co.
Malvern

Hunt Engineers, Architects & Land Surveyors, P.C.
Lancaster

Hurst-Rosche Engineers, Inc.
York

KCI Technologies, Inc.
Bensalem

M. A. Beech Corp.
Carnegie

Maguire Group Inc.
Pittsburgh

Maida Engineering, Inc.
Fort Washington

McFarland-Johnson, Inc.
New Milford

MS Consultants, Inc.
Coraopolis

NTH Consultants, Ltd.
Exton

O'Connell & Lawrence, Inc.
Greencastle

Pennoni Associates Inc.
Philadelphia

Quad Three Group, Inc.
Wilkes Barre

Reilly Associates
West Pittston

RETTEW
Lancaster

R.W. Beck, Inc. Reading, (610) 779-2044, www.rwbeck.com R. W. Beck is one of the nation's leading consulting engineering firms serving utilities, industry, and financial institutions as well as local, state and federal governments. We specialize in planning, organization, financial analysis, design, operation, and other matters related to electric, gas, water, wastewater, stormwater, and solid waste facilities. Our specialties include renewable energy and recycling. R. W. Beck was founded in 1942 and currently maintains offices nationwide staffed with more than 500 employees. See our other listings in AZ, CA, CO, DC, FL, GA, IN, KS, MA, MN, NE, OH, TN, TX, WA, and WI

Sear-Brown
State College

Spotts, Stevens and McCoy, Inc.
Reading

STV, Inc.
Douglassville

Traffic Planning and Design, Inc.
Pottstown

Tri-State Design and Development, Inc.
Carnegie

Urban Engineers, Inc.
Philadelphia

Watershed Concepts (a division of HSMM AECOM) State College, (814) 235-1379, cmorgan@watershedconcepts.com, www.watershedconcepts.com, www.hsmm.com Watershed Concepts specializes in water resources mangement using GIS and other specialized software. Hayes, Seay, Mattern & Mattern provides a full spectrum of architectural, engineering, and planning services in the buildings, communications, environmental, healthcare, judicial/corrections, industrial, and transportation markets from ten regional offices. Engineering disciplines include structural, mechanical, electrical, communications, transportation, civil, environmental, and other services include architecture, interior design, space planning and programming, landscape architecture, design-build, and animation and virtual environment imaging.

Whitman Requardt and Associates
York

Specialty

GAI Consultants, Inc.
Monroeville

Grinnell Industrial Systems
Cortland

Grove Miller Engineering, Inc.
Harrisburg

H. H. Reich Engineers
Pittsburgh

Metropolitan Acoustics, LLC
Philadelphia

Modjeski and Masters, Inc.
Harrisburg

Kuljian Corporation
Philadelphia

Design with Torlon Quadrant Plastics Engineered plastics Reading, 800-729-0100, www.designwithtorlon.com Design with Torlon provides designers and engineers information on Quadrant's family of Torlon PAI materials. Torlon is a high-performance plastic machining stock offering stiffness, dimensional stability, and wear resistance. Quadrant is a global leader in high-performance polymer materials in the form of semi-finished and finished products with locations in 18 countries. The specialty engineering thermoplastics and composites manufactured and marketed by more than 2400 employees worldwide are superior in performance to metals and other materials and are used in a growing number of applications, primarily in the capital goods industry. Our products include Polyethylene, Celazole, Torlon, Ketron, Ultem, Ertalon, and Ertalyte.

RDI Controls, LLC
Pittsburgh

RNDT, Inc. Non-Destriuctive Testing & Research Services
Johnstown

Trans Associates Engineering Consultants, Inc.
Pittsburgh

VE Engineering, Inc.
Harrisburg

Structural

Brace Engineering, Inc.
Pittsburgh

Cagley, Harman & Associates, Inc
King of Prussia

Fong & Associates, Inc.
King Of Prussia

Joseph B. Callaghan, Inc.
Philadelphia

O'Donnell Consulting Engineers, Inc.
Bethel Park

Orndorf & Associates, Inc.
Ardmore, 610-896-4500, kevin@orndorf.com, www.orndorf.com
Also see our listing under DE

Popoli Engineering, Inc.
Blue Bell

Stephen H. Golden & Associates
Dresher