M&D Distributors

Headquarters: Humble, Texas


M&D Distributors is a leading independent distributor of aftermarket parts and components for maintaining and repairing diesel-powered engines within the Texas, Oklahoma and Louisiana markets. The Company’s product portfolio includes more than 100,000 new and remanufactured fuel injection, turbocharger, engine part, and filtration products from leading OEMs and aftermarket suppliers. M&D serves over 12,000 customers through nine facilities within the highly fragmented independent customer channel, including mechanics, independent repair shops, authorized service dealers, and individual owner-operators. Ultimately, the Company’s products are used in trucks and industrial equipment operating in various infrastructure-related end markets.

Date of investment

December 2018

Business model

Value-added distribution

Number of add-ons


Company website


Testimonial: MacQueen

Our leadership team liked Warren from our very first meeting. Warren showed us they had a good understanding of our industry, and we were impressed by their diverse portfolio of middle-market companies. Overall, we know it’s a great cultural fit.

Dan Gage - President / CEO, MacQueen Equipment