Clientele

By providing quality engineering and construction management services at competitive prices for over 6 decades, we have built up a large portfolio of clients including companies both large and small.

  • ABB, Inc.
  • ABB Power T & D Company, Inc.
  • ABCO Fire Protection
  • AK Steel Company
  • Alcan (now Rio Tinto Aluminum)
  • Alcoa
  • Alcoa World Alumina Minerals
  • Aleris International
  • Allegheny Energy, Inc. (now First Energy Corp.)
  • Allegheny Ludlum Corp. (now Allegheny Technologies Inc.)
  • Alstom (now G.E. Energy)
  • Alumax (now Alcoa)
  • American Electric Power
  • American Video Glass Co.
  • ATI Allegheny Ludlum (now Allegheny Technologies Inc.)
  • ATI Steel
  • AM/NS Calvert
  • ANH Refractories (now HarbisonWalker International)
  • ArcelorMittal
  • Avery Dennison
  • Avtron Manufacturing
  • Babcock Borsig (now Babcock Power)
  • Bay Valley Foods
  • Bayer
  • Bethlehem Steel Corp. (now ArcelorMittal)
  • Bibb & Associates (now Kiewit)
  • Bombardier Transportation
  • Bronder Technical Services
  • Bruce & Merrilees Electric Co.
  • Busch International
  • Cambridge-Lee Industries
  • Carmeuse North America
  • Carpenter Technology Corp.
  • Century Aluminum
  • CMC Steel
  • Commonwealth Aluminum (now Aleris International)
  • CONSOL Energy
  • Converteam (now G.E. Energy)
  • Cornelius Architectural Products (now Forms and Surfaces)
  • Corning Glass
  • Coval Technologies
  • CSC Limited, Inc. (now Warren Steel Holdings)
  • Danieli Corp.
  • Del Monte Foods
  • DOFASCO, Inc. (now ArcelorMittal)
  • Duferco Farrell Corp.(now NLMK USA)
  • Duke Engineering
  • Eastalco Aluminum Co. (now Alcoa)
  • Elgiloy Specialty Metals
  • Ellwood City Forge
  • Ellwood Mill Products
  • Environ International
  • Fayette Thermal
  • FedEx Ground
  • First Energy Corp.
  • Fluor Global Services
  • F.S. Elliott
  • Gabriel Performance Products
  • GAF Materials
  • General Electric Co.
  • GE Energy
  • Gerdau AmeriSteel (now Gerdau)
  • Gerdau
  • GM Powertrain Division
  • Greensburg Environmental
  • Grubb & Ellis Co.
  • Harbison-Walker International
  • Heartland Steel (now CSN, LLC)
  • Henry F. Teichmann, Inc.
  • H. J. Heinz
  • Honeywell
  • Horsehead Corp.
  • Hydro Aluminum
  • Indianapolis Power & Light
  • Inland Steel (now ArcelorMittal)
  • INMETCO
  • Intek
  • International Specialty Products (now Specialty Granules, Inc.)
  • International Steel Group (now ArcelorMittal)
  • Jamalco
  • Jay-Dee Traylor
  • J&L Specialty Steel, Inc.(now Allegheny Technology Inc.)
  • J&L Structural
  • John Deere
  • Kennametal
  • Kiewit
  • Kokosing Construction
  • Koppel Steel (now TMK IPSCO)
  • Lakeside Energy LLC
  • Lanxess Corporation
  • Lathrop Co. (now Turner Construction)
  • Lehigh Portland Cement Co. (now Lehigh Hanson)
  • L-Con Inc.
  • Lexicon, Inc.
  • Logan Aluminum Co.
  • Lorain Tubular
  • LTV Copperweld (now ArcelorMittal)
  • LTV Steel Corp. (now ArcelorMittal)
  • L-S Electro-Coating Co.
  • Mac Steel (now Gerdau)
  • Magnetics
  • Mark West
  • MC3
  • McCarls Process Systems
  • Mellon Bank (now The Bank of New York Mellon)
  • Mentmore Holdings Co.
  • MikroPul
  • Mitsubishi Electric Power Products, Inc.
  • Mountain State Carbon
  • National Steel Corp.(now U.S. Steel)
  • Neville Chemical
  • NIPSCO/NiSource
  • NLMK USA
  • Noranda Aluminum
  • Norandal Aluminum (now Norandal USA)
  • Noresco
  • North American Stainless
  • Northwestern Steel & Wire (now Sterling Steel LLC)
  • NUCOR Steel
  • Occidental Chemical Corporation
  • Orion Power (now Reliant Energy Inc.)
  • Ormet Corp.
  • Outokumpu American Brass (now Luvata)
  • Outokumpu Stainless
  • Oxford Development Co.
  • Pechiney Rolled Products, LLC (now Rio Tinto Aluminum)
  • Pittsburgh Post-Gazette
  • Pittsburgh Glass Works
  • P.J. Dick Corp.
  • PNC Bank
  • PPG Industries
  • Prospect Steel
  • Quantum Technologies
  • Reed Minerals (now Specialty Granules, Inc.)
  • Reliant Energy Inc.
  • Republic Engineered Steels
  • Rexel-Southland
  • RG Steel
  • Rio Tinto Aluminum
  • Rol-Fab, Inc.
  • Roll Coater, Inc.
  • Ross Construction
  • Ruetgers Canada, Inc.
  • Sargent Electric Co.
  • Severstal North America (now AK Steel)
  • Severstal Wheeling
  • Sherwin Alumina
  • Siemens AG
  • Slater Steel (now Valbruna Slater Stainless, Inc.)
  • SMS Demag (now SMS Siemag)
  • Sony Electronics, Inc.
  • Spang & Co.
  • Steel of West Virginia, Inc. (now SDI)
  • Sterling Boiler
  • Sterling Steel Co. LLC
  • Suburban Process Piping, Inc.
  • The Industrial Co.
  • ThyssenKrupp Encoke
  • ThyssenKrupp Industrial Solutions
  • ThyssenKrupp Stainless (now Outokumpu Stainless)
  • TPCO America
  • Trumbull Corporation
  • Uhde Corp. of America (now ThyssenKrupp Industrial Solutions)
  • Union Electric Steel Corp.
  • United States Steel
  • University of Pittsburgh
  • Universal Aggregates
  • Universal Stainless & Alloy
  • U.P.M.C.
  • Voest-Alpine Industries (now Prime Metals)
  • WCI Steel, Inc
  • Wheelabrator Air Pollution Control (now AMIC Foster Wheeler)
  • Wheeling-Nisshin Steel
  • Wheeling-Pittsburgh Steel Corp.
  • World Kitchen
  • Worley Parsons
  • Worthington Industries
  • Zurich North America