Distribution and Services
Kirby Corporation, through its wholly owned subsidiaries United Holdings LLC, Stewart & Stevenson LLC, and Kirby Engine Systems LLC (including Marine Systems, Inc. and Engine Systems, Inc.), is a leading distributor and services provider to industrial markets including oilfield services, marine, power generation, on-highway, and other industrial applications. Each of the Kirby brands sell genuine OEM equipment and replacement parts and provide service mechanics to overhaul and rebuild engines, transmissions, and related equipment. In the oil and gas markets, Kirby manufactures and remanufactures oilfield service equipment, including pressure pumping units, for North American and international markets. In commercial and industrial markets, Kirby sells and rents railcar movers and power generation systems and rents forklifts and compressors.
To learn more about our brands, click on their logos below.
Kirby Brands
Kirby OEM Partners













Distribution & Services Officers
Kirby Distribution & Services, Inc.
Joseph H. Reniers
President
Mia C. Cradeur
Vice President and Controller
Kimberly A. Richard
Vice President – Marketing and Strategy
Kirby Engine Systems, Inc.
Dorman Lynn Strahan
President
Engine Systems, Inc
P. Scott Mangan
Vice President – East Coast
Marine Systems, Inc.
Thomas W. Bottoms
Vice President – Midwest
United Engines LLC
Ronnie E. Stover
Executive Vice President – Sales
Joshua C. Weed
Executive Vice President – Distribution Operations
Troy A. Bourgeois
Vice President – Oil and Gas Sales
David L. Tonne
Vice President – Aftermarket
UE Manufacturing LLC
Ronnie E. Stover
Executive Vice President – Sales
Gregory L. Culp
Senior Vice President
Thermo King of Houston, LP
Jason K. Robison
Vice President
Thermo King of Dallas, LP
David Knowlton
Vice President
James Marino
Vice President
Stewart & Stevenson LLC
Jack L. Pieper
Vice President and Controller
Stewart & Stevenson Power Products LLC
Donald F. Mann
President – ADDA & FDDA
Joshua C. Weed
Executive Vice President – Distribution Operations
Andrew W. Hudson
Senior Vice President – Rental Operations
Troy A. Bourgeois
Vice President – Oil and Gas Sales
David L. Tonne
Vice President – Service Operations
Stewart & Stevenson Manufacturing Technologies LLC
Ronnie E. Stover
Executive Vice President – Sales
Greg Culp
Senior Vice President Manufacturing
Chad T. Joost
Senior Vice President – Sales and Marketing
Stewart & Stevenson de las Americas Colombia, Ltda
Rafael H. Garcia
President