OPEX Corporation is the world's leading producer of high speed mail extraction equipment. OPEX produces a full line of equipment designed with your needs in mind.

Providing precision machining, engineering and mechanical assembly for the commercial and military industries and helping many companies be more competitive in this demanding business.

Maesco.com - Mid-Atlantic Engine Supply Corp., distributors of Lister-Petter diesel engines, Iveco Diesel engines, AC generator sets, DC generator sets, marine generator sets, Racor Filters and Filtration Systems, Baldwin Filters, pump units, used equipment, engine accessories, engine controls, and generator set accessories.