H.O. Penn is a wholesale manufacturer and supplier of a wide range of products for the construction industry. Its products include generators, truck and marine engines, compact construction equipment, construction mining and building construction equipment. The company offers service expertise and a large inventory of parts and more than 500 machines to meet the rental and equipment needs of the customers. It is a full-service provider for Caterpillar-powered diesel and gaseous-fueled systems for power generation and industrial applications in airports, sports arenas, manufacturing plants, telecommunications and data centers, health care facilities, commercial office buildings, hotels, and radio and television companies. Its heavy-duty trucks are equipped with a crane, cutting torch, air compressor, cell phone, laptop computer with diagnostic software and a variety of specialized Cat tools. H.O. Penn has locations in Newington and Hartford, Conn., and Poughkeepsie, Bronx, Holtsville and Bloomingburg, N.Y.