Gregg Piontek

Director of Finance/CFO at NPK INTERNATIONAL INC.

Net worth: 13 M $ as of 30/05/2026

55 year

53 connections

Producer Manufacturing

Industrial Services

Consumer Services

Profile

Gregg S.
Piontek is currently Director & Vice President at Newpark Drilling Fluids LLC and NPK Access Solutions LLC.
Holds the position of Director at Newpark International UK Ltd. since 2019.
Serves as President & Director at NPK Holdings LLC.
Since 2007, Senior VP, Chief Financial & Accounting Officer at NPK International, Inc. Formerly Controller-Power Products Division at Stewart & Stevenson Services, Inc. from 2001 to 2007.
Formerly Chief Accounting Officer & Vice President at Stewart & Stevenson LLC from 2001 to 2007.
Education includes undergraduate studies at Arizona State University and an MBA from Marquette University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
NPK INTERNATIONAL INC. 1.09%	31/05/2026	923,182 ( 1.09% )	13 M $	30/05/2026

Gregg Piontek active positions

Companies	Position	Start
NPK INTERNATIONAL INC.	Director of Finance/CFO	30/09/2011
Newpark Drilling Fluids LLC Newpark Drilling Fluids LLC Industrial MachineryProducer Manufacturing Provides field drilling fluid systems	Director/Board Member	-
NPK Access Solutions LLC NPK Access Solutions LLC Engineering & ConstructionIndustrial Services Provides mat rental and integrated site services	Director/Board Member	-
Newpark International UK Ltd. Newpark International UK Ltd. Miscellaneous Commercial ServicesCommercial Services Operates as a holding company whose subsidiaries engages in supporting petroleum and natural gas extraction through research & experimental development on biotechnology	Director/Board Member	13/03/2019

All active positions of Gregg Piontek

Former positions of Gregg Piontek

Companies	Position	End
Stewart & Stevenson LLC Stewart & Stevenson LLC Oilfield Services/EquipmentIndustrial Services Designs, manufactures and markets oil and gas equipment	Comptroller/Controller/Auditor	31/12/2006
Stewart & Stevenson Services, Inc. Stewart & Stevenson Services, Inc. Motor VehiclesConsumer Durables Manufactures engineered and power products	Comptroller/Controller/Auditor	-

See the detail of Gregg Piontek's experience

Training of Gregg Piontek

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Gregg Piontek's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	8
NPK International, Inc. NPK International, Inc. Building ProductsProducer Manufacturing Rents recyclable composite matting systems and provides manufacturing, sales & site construction services for power transmission, oil and natural gas exploration sectors	Producer Manufacturing
Stewart & Stevenson Services, Inc. Stewart & Stevenson Services, Inc. Motor VehiclesConsumer Durables Manufactures engineered and power products	Consumer Durables
Newpark Drilling Fluids LLC Newpark Drilling Fluids LLC Industrial MachineryProducer Manufacturing Provides field drilling fluid systems	Producer Manufacturing
NPK Access Solutions LLC NPK Access Solutions LLC Engineering & ConstructionIndustrial Services Provides mat rental and integrated site services	Industrial Services
Arizona State University Arizona State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Marquette University Marquette University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Stewart & Stevenson LLC Stewart & Stevenson LLC Oilfield Services/EquipmentIndustrial Services Designs, manufactures and markets oil and gas equipment	Industrial Services
Newpark International UK Ltd. Newpark International UK Ltd. Miscellaneous Commercial ServicesCommercial Services Operates as a holding company whose subsidiaries engages in supporting petroleum and natural gas extraction through research & experimental development on biotechnology	Commercial Services