-
3M Company
-
Aecom
-
Aera Energy LLC
-
Ambitech Engineering Co.
-
Archer Daniels Midland
-
Arkema Inc.
-
Aramco
-
Ascend
-
Audubon
-
Babcock & Wilcox
-
BASF
-
Bechtel
-
Benham
-
BP
-
Burns & McDonnell
-
Burrow Global LLC
-
CB&I
-
CDI Corporation
-
Celanese Ltd.
-
CH2M HILL
-
Chart Energy & Chemicals, Inc.
-
Chemtura Corporation
-
Chevron Corporation
-
Chiyoda International Corp.
-
CITGO Corporation
-
ConocoPhillips
-
Devon Energy Corporation
-
Centrica plc.
-
E.I. DuPont de Nemours & Co., Inc.
-
Eastman Chemical Company
-
Evonik Corporation
-
Fluor
-
GIS Engineering LLC
-
Grupo Petrotemex - GPT
-
Hargrove & Assoc.
-
Hess Corporation
-
Hexion, Inc.
-
Honeywell
-
Huntsman Corporation
-
IHI E&C International Corporation
-
INEOS Olefins & Polymers USA
-
INEOS Styrolution America, LLC
-
Jacobs Engineering
-
JGC America, Inc.
-
KBR
-
Kiewit Engineering Group Inc.
-
Lubrizol Corporation
-
LyondellBasell
-
Mallinckrodt
-
Merrick & Company
-
Monsanto Company
-
Mosaic Fertilizer LLC
-
NORAM Engineering and Constructors Ltd.
-
Nuclear Fuel Services, Inc.
-
Occidental Oil & Gas Corporation
-
OLIN Corp.
-
OnQuest
-
Pasadena Refining System, Inc.
-
Phillips 66 Company
-
Pioneer Natural Resources
-
Preferred Engineering
-
PVS Chemicals, Inc.
-
Ref-Chem
-
RES KAIDI
-
S & B Engineers and Constructors, Ltd.
-
Samsung Engineering America Inc
-
Saudi Basic Industries Corporation - SABIC
-
Sekisui Specialty Chemicals America LLC
-
SNC-Lavalin Engineers & Constructors, Inc.
-
TechnipFMC
-
Andeavor
-
WestRock
-
WorleyParsons Ltd.
-
Zachry
-
Zeon Chemicals L.P.
-
Process Industry Practices
-
Koch Industries, Inc.
-
Nutrien
-
REXtac, LLC
-
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FutureFuel Chemical Company
-
ExxonMobil
-
Firestone Polymers LLC
-
![LanXess [Converted]](https://pip.org/images/default-source/member-logos/lanxess-converted.jpg?sfvrsn=7dcfcb9e_2 "LanXess [Converted]")
LANXESS Corp.
-
OMNOVA Solutions Inc.
-
Westlake Chemical
-
SASOL
-
Methanex
-
AdvanSix
-
FMC Corporation
-
REPCO
-
Motiva
-
Bayer
-
Parsons