-
3M Company
-
AECOM
-
Aera Energy LLC
-
Arkema Inc.
-
Ascend Performance Materials
-
Audubon Engineering Operations
-
BASF Corporation
-
Bechtel Corporation
-
BP
-
Burns & McDonnell
-
Burrow Global LLC
-
McDermott
-
CDI Corporation
-
Celanese Ltd.
-
Chevron Corporation
-
CITGO Corporation
-
Centrica plc.
-
DuPont de Nemours, 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
-
Worley
-
JGC America, Inc.
-
KBR
-
Kiewit Engineering Group Inc.
-
Lubrizol Corporation
-
LyondellBasell
-
Merrick & Company
-
Mosaic Fertilizer LLC
-
NORAM Engineering and Constructors Ltd.
-
Nuclear Fuel Services, Inc.
-
Occidental Oil & Gas Corporation
-
OLIN Corporation
-
OnQuest
-
Phillips 66 Company
-
Preferred Engineering
-
PVS Chemicals, Inc.
-
Samsung Engineering America Inc
-
Saudi Basic Industries Corporation - SABIC
-
Sekisui Specialty Chemicals America LLC
-
SNC-Lavalin Engineers & Constructors, Inc.
-
TechnipFMC
-
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 Corporation
-
Westlake Chemical
-
SASOL
-
Methanex
-
AdvanSix
-
FMC Corporation
-
Motiva
-
Bayer
-
Parsons
-
Pembina
-
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LSB Industries
-
Livent Corporation
-
Keystone Engineering Inc.
-
Cargill, Incorporated
-
Williams
-
Job Industrial Services, Inc.
-
Covestro LLC
-
CTCI Americas, Inc.
-
Merichem Company
-
Tug Hill Operating, LLC.
-
Cornerstone Chemical Company
-
Buckeye Partners, L.P.
-
Clough USA, Inc.
-
UniversalPegasus International
-
International Paper
-
Chemex Global, Inc,
-
Air Liquide Advanced Materials
-
Mott MacDonald, LLC
-
Jacobs Engineering
-
OQ
-
Nacero, Inc
-
PPG Industries
-
Wood, PLC
-
ADM
-
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TWD Technologies LTD
-
Elementis
-
Targa Resources LLC
-
Indorama Ventures LLC
-
Hydrite Chemical Co.