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, (215)752-2206
Branch Office: Monroeville, (412)373-7133

Alfred Benesch & Co.
Pottsville, (570)622-4055, www.benesch.com

Aloysi Engineering Services, Inc.
Towanda, (717)265-5266

Applied Geoscience & Engineering, Inc.
Reading, (215)777-5027

Baker, Ingram & Associates
Lancaster, (717)290-7400, bdlpe@aol.com

Bergmann Associates
Philadelphia, bkirsch@bergmannpc.com, www.bergmannpc.com
See our other listings in New Jersey and New York

Boles, Smyth Associates, Inc.
Philadelphia, (215)561-2644

Burns Engineering, Inc.
Philadelphia, (215)563-9270, www.rcburns.com
Branch Office: Philadelphia, (215)937-6735

BVE/Vollmer Associates
Kennett Square, (610)444-6522, www.vollmer.com
Branch Office: Aston, (610)494-3636

Camp Dresser & McKee, Inc.
Lancaster, (717)560-7500, www.cdm.com
Branch Office: Pittsburgh, (412)928-3200
Branch Office Philadelphia, (215)636-0600

CMC Engineering
Valley Forge, (610)983-9200
Also see our listing in New Jersey

Collective Efforts, LLC
Pittsburgh, (412) 459-0114, info@collectiveefforts.com, www.collectiveefforts.com

Consoer Townsend Envirodyne Engineers, Inc.
Pittsburgh, (412)434-4646, www.cte-eng.com
Branch Office: Erie, (814)453-4394

Dawood Engineering
Camp Hill, (717)975-8872

Eugene J. Aufiero & Associates, Inc.
New Cumberland, (717)774-9412

Evans Engineering, Inc.
Harrisburg, (717)541-1580

Frederic R. Harris, Inc.
Philadelphia, (215)735-0832
Branch Office: Pittsburgh, (412)395-8888

Gannett Fleming, Inc.
Harrisburg, (717)763-7211, rdrnevich@gfnet.com, www.gannettfleming.com
Branch Office: Valley Forge, (610)650-8101
Branch Office: Pittsburgh, (412)922-5575
Branch Office: State College, (814)234-8625
Branch Office: Clearfield, (814)765-4320
Branch Office: Philadelphia, (215)557-0106

Dewberry-Goodkind, Inc.
Carlisle, (717) 240-0344, www.dewberry.com

Great Valley Consultants
Wyomissing, (610)375-8822

Greenhorne & O'Mara, Inc.
Mechanicsburg, (717)691-3355, www.G-and-O.com

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

HDR Engineering, Inc.
Pittsburgh, (412)497-6000, www.hdrinc.com

HNTB Corp.
Plymouth Meeting, (610)834-6460, www.hntb.com

ICF Kaiser Engineers
Pittsburgh, (412)497-2000

Jastrzebski Engineers, Inc.
Chalfont, (215)822-1587
Branch Office: Lansdale

JBC Associates, Inc.
King of Prussia, (610)992-9090

Johnson, Mirmiran & Thompson
York, (717) 266-2000, bepley@jmt-engineering.com, www.jmt-engineering.com
Other office: Pittsburgh, (412) 490-9800, dcooper@jmt-engineering.com
See our other listings in DE, FL, MD, VA, WV

KCI Technologies, Inc.
Mechanicsburg, (717) 691-1340, www.kci.com
Branch Office: Bensalem, (215) 244-4444
Branch Office: Pittsburgh, (412) 642-2974

Keller Engineering, Inc.
Hollidaysburg, (814)696-7430

Kenderian-Zilinski Associates
Malvern, (610) 254-9141, rkenderian@kzaeng.com,
www.kenderian-zilinski.com
Also see our listing under New Jersey

Killam Associates
Warrendale, (724)772-0200, www.randerskillam.com
Branch Office: Somerset, (814)445-5645

L. Robert Kimball & Associates, Inc.
Ebensburg, (814)472-7700
Branch Office: Corapolis, (412)262-5400, pitrgn@lrkimball.com
Branch Office: West Chester, (610)692-2232
Branch Office: State College, (814)867-4566
Branch Office: Harrisburg
Branch Office: Pittsburgh

Larson Design Group, Inc.
Williamsport, (570)323-6603, www.larsondesigngroup.com
Branch Office: Bloomsburg, (570)387-6680

Lennon Smoth Souleret Engineering, Inc.
Coraopolis, (570) , lsse@lsse.com

Mackin Engineering Co.
Pittsburgh, (412)788-0472
Branch Office: Mechanicsburg, (717)441-7400

Mallik Engineering, Inc.
Lansdale, (215)699-8303

McCormick Taylor, Inc.
Philadelphia, (215) 592-4200, ph.mkt@mccormicktaylor.com, www.mccormicktaylor.com
Ebensburg, (814) 471-2870
Harrisburg, (717) 540-6040
Malvern, (610) 640-3500
Pittsburgh, (412) 922-6880
State College, (814) 861-4948
Also see our other offices Delaware, Maryland, New Jersey, Ohio, and Virginia

McMahon Associates, Inc.
Ft. Washington, (215)283-9444, www.mcmtrans.com

McTish, Kunkel and Associates
Allentown, (610)791-2700
Branch Office: Belle Vernon, (412)929-2760

Michael Baker, Jr., Inc.
Pittsburgh, (412)269-6300, www.mbakercorp.com
Branch Office: Beaver, (724) 495-7711
Branch Office: Coraopolis, (412) 269-6300
Branch Office: Gibsonia, (724) 443-7999
Branch Office: Harrisburg, (717) 221-2000
Branch Office Harrisburg, (717) 939-9551
Branch Office: Horsham, (215) 444-0888

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, (724) 468-4622, info@morrisknowles.com
See our other office in West Virginia

Orth-Rodgers & Associates, Inc.
Philadelphia, (215)735-1932, www.orth-rodgers.com
Branch Office: Mechanicsburg, rleonard@orth-rodgers.com

P. Joseph Lehman, Inc., Consulting Engineers
Hollidaysburg, (814)695-7500, www.lehmanengineers.com

Parsons Brinckerhoff
Philadelphia, (215)735-1457, www.pbworld.com
Branch Office: Pittsburgh, (412)281-9900

Parsons Transportation Group
Philadelphia, (215)568-3434, www.parsons.com

Paul C. Rizzo Associates
Monroeville, (412) 856-9700, www.rizzoassoc.com

Pellegrini Engineers, Inc
Altoona, (814) 946-1675, www.pellegriniengineers.com
Branch Office: Pittsburgh, (412)306-0139, psipes@pellegriniengineers.com

Pickering, Corts & Summerson, Inc.
Newtown, (215)968-9300

Pinto Engineering Inc.
York, (717)846-7151

Pittsburgh Engineering Consultants, Inc.
Pittsburgh, (412)276-8200

Powell-Harpstead, Inc.
West Chester, (610)430-7866, mcrawford@powell-harpstead.com, www.powell-harpstead.com

RBA Group
Mechanicsburg, (717)697-0100
Branch Office: Upper St. Clair, (412)221-0800

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

RGS Associates, Inc.
Brownstown, (717)656-4077, www.rgsassociates.com

Rummel, Klepper, & Kahl, L.L.P.
Norristown, (610)631-8151, www.rkkengineers.com
Branch Office: York, (717)600-2220

SAI Consulting Engineers, Inc.
Pittsburgh, (412)392-8750, www.saiengr.com

Schoor Depalma
Philadelphia, (215)972-8100

Sheladia Associates, Inc.
Camp Hill, (717)730-4160

Skelly and Loy, Inc.
Harrisburg, (717) 232-0593, sloy-bell@skellyloy.com, www.skellyloy.com
Branch Office:
Pittsburgh, (412) 828-1412, jdaley@skellyloy.com

SP&K Engineering, Inc.
Uniontown, (724)439-1600

Stone Consulting & Design, Inc.
Warren, (814)726-9870, harveystone@stoneconsulting.com, www.stoneconsulting.com

Sverdrup Civil, Inc.
Philadelphia, (215)923-5200, www.sverdrup.com

T. W. Consultants, Inc.
Wexford, (412)369-7500
Branch Office: Harrisburg (717)540-5600

Taylor, Wiseman & Taylor
West Chester, (610 918-9200

Traffic Planning & Design, Inc.
Pottstown, (610)326-3100, www.trafficpd.com

Triline Associates Inc.
Canonsburg, (724)514-9000

Turner Collie & Braden, Inc.
Philadelphia, (215)365-6880

Uni-Tec Consulting Engineers, Inc.
State College, (814)238-8223
Branch Office: Lewisburg, (717)523-3565

Whitney, Bailey, Cox & Magnani
Mechanicsburg, (717)790-9838, www.wbcm.com

Wilbur Smith Associates
Pittsburgh, (412)323-8101
Branch Office: Jamison, (215)918-1720

Chemical

Process Engineering Associates, LLC
Boyertown, (610) 369-2747, info@processengr.com, www.processengr.com
See our other listings Tennessee and Montana

Electrical

Caplan Engineering Co.
Pittsburgh, (412)271-4700

Carl J. Long & Associates
Pittsburgh, (412)471-9100

Dawson Engineering, Inc.
Fairless Hills, (215)943-6530

Hornfeck Engineering, Inc.
Pittsburgh, (412)781-1500

Kichman Engineering Associates
Cornwall, (717) 270-0714

Environmental

A. D. Marble & Co.
Conshohocken, (484) 533-2500, www.admarble.com
Branch Office: Camp Hill, (717) 731-9588
Branch Office: Pittsburgh, (412) 355-2097
See our other listing in New Jersey and Maryland

ARCADIS Geraghty & Miller
Langhorne, (215) 702-3250

CET Engineering Services
Harrisburg, (717) 541-0622, www.cet-inc.com
Branch Office: Huntingdon, (814) 643-8260

CH2M Hill
Philadelphia, (215) 563-4220
Branch Office: Moon Township, (412) 269-4285

Chester Engineers
Moon Township, (412)269-5700
Branch Office: Pittsburgh, (412)232-4411
Branch Office: Pittsburgh, (412)269-5876
Branch Office: Clairton, (412)233-1114

Civil and Environmental Consultants, Inc.
Pittsburgh, (412)429-2324, www.cecinc.com

Cummings/Riter Consultants, Inc.
Monroeville, (412)373-5240, crc@nb.net

Environmental Resources Management
Exton, (610)524-3500, kent_patterson@erm.com, www.erm.com
Branch Office: Wexford

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

Malcolm Pirnie, Inc.
Philadelphia, (215)399-4250, www.pirnie.com
Branch Office: Philadelphia, (215)399-4270

Mavickar Environmental Consultants, Inc.
Harrisburg, (717)540-9925, mavickar@panetwork.com

USA Environmental Management, Inc.
Upper Darby, (610)449-9903

Environmental / Geotechnical / Materials Testing

ARM Group, Inc.
Hershey, (717)533-8600, info@armgroup.net, www.armgroup.net
Other office in MD

CMT Laboratories, Inc.
State College, (814)231-8845, cmtlabs@cmtcmt.com, www.cmtcmt.com
Branch Office: Williamsport, (570)567-1019
Branch Office: Altoona, (814)941-6904

D'Appolonia Engineering Division of Ground Technology, Inc.
Monroeville, (412)856-9440

Shield Engineering, Inc.
Pittsburgh, (800) 374-0989, (412) 374-0989, kjones@shieldne.com, www.shieldengineering.com
See our listings in Kentucky, North Carolina, and Tennessee

URS Corp.
King Of Prussia, (610)337-3666, www.urscorp.com
Branch Office: Bridgeville, (412)257-9700, Tom_Bice@urscorp.com
Branch Office: Blue Bell, (215)542-3800, Robert_Waitkus@urscorp.com

VFL Associates Inc.
Devon, (610)688-8517, www.valleyforgelabs.com

Geotechnical

American Geotechnical & Environmental Services, Inc.
McMurray, (724) 942-7889, kpschopra@aol.com

Converse Consultants East
State College, (814) 234-3223

Earth, Inc.
Pittsburgh, (412) 366-8005

Geosystems Consultants, Inc.
Fort Washington, (215) 654-9600

Triad Engineering, Inc.
Greensburg, (724) 832-9870
See our other listing in West Virginia

Mechanical

Layne Engineering, Inc.
Willow Grove, (215) 830-0656, layne@layneengineering.com, www.layneengineering.com

Mechanical / Electrical / Plumbing (MEP)

Alderson Engineering, Inc.
Southampton, (215)364-5635, talderson@aldersonengineering.com, www.aldersonengineering.com

Arthur Schock Engineers
Pittsburgh, (412)919-0133

Brian E. Seley, P.E., Consulting Engineers
Brackney, (570)663-2332

Brinjac, Kambic & Associates, Inc.
Harrisburg, (717)233-4502, www.Brinjac.com
Branch Office: Philadelphia, (215)592-9611
Branch Office: Allentown, (610)336-0432

Claitman Engineering Associates, Inc.
Pittsburgh, (412)963-6700

Dimitri J. Ververelli, Inc.
Philadelphia, (215)496-0000

Dodson Engineering, Inc.
Pittsburgh, (412)261-6515

E & M Engineering
Huntingdon Valley, (215)947-4562, bwhelan@eandmeng.com, www.eandmeng.com

Elwood J. Tower Corp.
Pittsburgh, (412)931-8888, www.estower.com

Gillan & Hartmann, Inc.
Valley Forge, (610)935-0101, www.gillan-hartmann.com

Lawrence G. Spielvogel, Inc.
King Of Prussia, (610)687-5900

M. P. Hershman, P.E., Inc.
Feasterville, (215)322-0741, MPHershman@hershmanconsulting.com, http://hershmanconsulting.com

Meucci Engineering, Inc.
Carnegie, (412)276-8844

Michael L. Norris & Associates, Inc.
State College, (814) 867-3823, miken@mlnai.com, www.mlnai.com

P. L. Frank, Inc.
Pittsburgh, (412)361-7707

Ray Engineering
Pittsburgh, (412)795-5972

Schiller and Hersh Associates, Inc.
Oreland, (215)886-8947

Vincent A. Chiappardi, P.E.
Philadelphia, (215)561-1267

Multidisciplinary

Ammann & Whitney, Inc.
Philadelphia, (215)567-1341

Barry Isett & Associates, Inc.
Trexlertown, (610)398-0904

Benatec Associates, Inc.
New Cumberland, (717)901-7055
Branch Office: Greensburg, (724)836-7226

BL Companies
Harrisburg, (800)577-3267, harrisburg@blcompanies.com, www.blcompanies.com

Borton-Lawson Engineering, Inc.
Wilkes-Barre, (717)821-1999, www.Borton-Lawson.com

Buchart-Horn, Inc.
York , (717)852-1400, www.bh-ba.com
Branch Office: Pittsburgh, (412)261-5059
Branch Office: Harrisburg, (717)232-5140
Branch Office: Middletown, (717)948-5194
Branch Office: Pocono, (570)839-8851
Branch Office: State College, (814)237-7111
Branch Office: Pensacola, FL, (850)449-3196
Branch Office: Woodstock, GA, (678)494-1657
Branch Office: Baton Rouge, LA, (225)767-0285
Branch Office: Kenner, LA, (504)443-3437
Branch Office: Memphis, TN, (901)762-0341
Branch Office: Nashville, TN, (615)415-6092

Clough, Harbour & Associates, L.L.P.
Moosic, (570)341-1313

EADS Group Inc.
Altoona, (814)944-5035, jmetzler@eadsgroup.com, www.eadsgroup.com
Branch Office: Somerset, (814)445-6551
Branch Office: Clarion, (814)764-5050
Branch Office: Pittsburgh, (412)754-0801

Edwards and Kelcey, Inc.
West Chester, (610)701-7000, www.ekcorp.com
Branch Office Morristown, (973)267-0555

Electromechanical Engineering Associates, Inc.
Pittsburgh, (412)243-3003, www.nauticom.net/www/eme

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, (717)766-1741, nielsenat@erdmananthony.co, www.erdmananthony.com

GAI Consultants, Inc.
Pittsburgh, (412) 476-2000, www.gaiconsultants.com
Other office: Philadelphia (610) 640-7456
See our other listings in IN, WV, OH, KY, FL

Gipson Engineering
Pittsburgh, (412)339-2911, www.gipsoneng.com

GTS Technologies, Inc.
Harrisburg, (717)236-3006

Gwin, Dobson & Foreman, Inc.
Altoona, (814)943-5214, mglenn@gdfengineers.com, www.gdfengineers.com

Hawk Engineering, P.C.
Towanda, (570)265-5266, hawkpa@hawkeng.com, www.hawkeng.com

Herbert, Rowland & Grubic, Inc.
Harrisburg, (717)564-1121, www.hrg-inc.com
Branch Offices:
Lancaster, (717)291-1783
State College, (814)238-7117
Gettysburg, (717)337-9684
Pittsburgh , (724) 779-4777
Stroudsburg, (570) 629-7140
Hermitage, (724) 983-1860 or (814) 432-2553
Lewisburg, (570) 524-6744
Dunmore, (570) 347-0513

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, (610)644-4600, www.huntengineering.com

Hunt Engineers, Architects & Land Surveyors, P.C.
Lancaster, (717) 735-0728, www.hunt-eas.com
See our other listings in New York

Hurst-Rosche Engineers, Inc.
York, (717)812-9407, emyers@hurstrosche.com

KCI Technologies, Inc.
Bensalem, (215) 244-4444, www.kci.com
Harrisburg, (717) 691-1340
Philadelphia, (215) 246-3469
Pittsburgh, (412) 824-7046
See other listings in Delaware, Florida, Georgia, Maryland, North Carolina, Ohio, Virginia, Washington, D.C., West Virginia

M. A. Beech Corp.
Carnegie, (412)276-7199

Maguire Group Inc.
Pittsburgh, (412)281-6393, www.MaguireGroup.com
Branch Office: Harrisburg, (717)231-5770

Maida Engineering, Inc.
Fort Washington, (215) 542-8700, ckalberer@maidaeng.com, www.maidaeng.com
See our other listing in Florida

McFarland-Johnson, Inc.
New Milford, (570)465-2376, www.mjinc.com

MS Consultants, Inc.
Coraopolis, (412)264-8701

NTH Consultants, Ltd.
Exton, (610) 524-2300, jstadnicar@nthconsultants.com, www.nthconsultants.com
Also see our listings in Indiana, Michigan, and Ohio

O'Connell & Lawrence, Inc.
Greencastle, (717)597-3020, www.oclinc.com

Pennoni Associates Inc.
Philadelphia , (215)222-3000, eflicker@pennoni.com, www.pennoni.com
Branch Office: Camp Hill, (717)975-6481
Branch Office: Doylestown, (215)345-4591
Branch Office Bridgeport, (610)277-2402
Branch Office: Lehigh Valley, (610)262-8700

Quad Three Group, Inc.
Wilkes Barre, (570)829-4200, www.q3g.com
Branch Office: Hazleton, (570)454-8718
Branch Office: Monroeville, (412)374-9955
Branch Office: Scranton, (570)342-5200

Reilly Associates
West Pittston, (540)654-2473

Rettew Associates, Inc.
Lancaster, (717)394-3721, www.rettew.com
Branch Office: Bethlehem, (610)866-8330
Branch Office: Camp Hill, (717)697-3551
Branch Office: Pottsville, (570)622-8222
Branch Office: York, (717)755-4748
See additional listing in New York

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, (814)237-7015, www.searbrown.com

Spotts, Stevens and McCoy, Inc.
Reading, (610)621-2000
Branch Office: Whitehall, (610)433-4188

STV, Inc.
Douglassville, (610)385-8200
Branch Office: Pittsburgh, (412)392-3500
Branch Office Philadelphia, (215)629-4004

Traffic Planning and Design, Inc.
Pottstown, (610)326-3100, trafficexperts@trafficpd.com, www.trafficpd.com
Branch Office: Center Valley, (610)625-4242
Branch Office Harrisburg, (717)234-1430

Tri-State Design and Development, Inc.
Carnegie, (412)276-2219

Urban Engineers, Inc.
Philadelphia, (215)922-8080
Branch Office: Erie, (814)453-5702
Branch Office: Mechanicsburg, (717)796-0840

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, (717)741-5057

Specialty

GAI Consultants, Inc.
Construction management
Monroeville, (412)856-9220
Branch Office: King Of Prussia

Grinnell Industrial Systems
Machine design and drafting
Serving Pennsylvania, West Virginia, and Ohio
Cortland, OH: (330)634-1208, j.grinnell@grinnellindustrialsystems.com, www.grinnellindustrialsystems.com

Grove Miller Engineering, Inc.
Traffic engineering
Harrisburg, (717)564-6146

H. H. Reich Engineers
HVAC
Pittsburgh, (412)928-3232, hreich6080@aol.com

Metropolitan Acoustics, LLC
Acoustical consultant
Philadelphia, (215) 248-4352, felicia@metropolitanacoustics.com, www.metropolitanacoustics.com

Modjeski and Masters, Inc.
Bridges
Harrisburg, (717)790-9565, www.modjeski.com
Branch Office:
Moorestown, (856) 608-7400

Kuljian Corporation
Energy & power
Philadelphia, (215)243-1900, mks.tkc@delgroup.com, www.delgroup.com

Quadrant Plastics Engineered plastics Reading, 610-320-6600, http://epp.quadrantplastics.com 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
Process control / automation
Pittsburgh, (724) 334-8856, info@rdicontrols.com, www.rdicontrols.com
Other office: Greensburg, (412) 601-0242

RNDT, Inc. Non-Destriuctive Testing & Research Services
Non-destructive testing laboratory
Johnstown, (814) 535-5448, (800) 505-RNDT, info@RNDT.net, www.RNDT.net

Trans Associates Engineering Consultants, Inc.
Traffic engineering
Pittsburgh, (412)937-8070
Branch Office: Camp Hill, (717)975-0626

VE Engineering, Inc.
Construction inspection, materials testing
Harrisburg, (717)545-7584
Branch Office: Altoona, (814)943-6512, vecjv@aol.com

Structural

Brace Engineering, Inc.
Pittsburgh, (412)367-7700

Cagley, Harman & Associates, Inc
King of Prussia, (610)337-3360

Fong & Associates, Inc.
King Of Prussia, (610)768-0877

Joseph B. Callaghan, Inc.
Philadelphia, (215)665-0497

O'Donnell Consulting Engineers, Inc.
Bethel Park, (412)835-5007, www.odonellconsulting.com

Orndorf & Associates, Inc.
Ardmore, (610) 896-4500, tfaranda@orndorf.com

Popoli Engineering, Inc.
Blue Bell, (215)646-8949

Stephen H. Golden & Associates
Dresher, (215)657-2189