Crawford United
OTCMKTS:CRAWACrawford United Corporation, together with its subsidiaries, provides specialty industrial products in the United States, Puerto Rico, Mexico, Canada, and internationally. It operates through two segments: Commercial Air Handling Equipment; and Industrial and Transportation Products. The Commercial Air Handling segment designs, manufactures, and installs large-scale commercial, institutional, and industrial custom air handling solutions to health care, education, pharmaceutical, and industrial manufacturing markets under the FactoryBilt and SiteBilt brand names. The Industrial and Transportation Products segment is involved in the manufacture of flexible interlocking metal hoses primarily to heavy-duty truck manufacturers and aftermarket suppliers, as well as to the agricultural, industrial, and petrochemical markets; and distribution of silicone and hydraulic hoses to the agriculture and general industrial markets. It also provides engineering, machining, grinding, welding, brazing, heat treat, and assembly solutions; rubber and plastic marine hose for the recreational boating industry; engineered manufacturing solutions, including CNC machining, anodizing, electro polishing, and laser marking for defense, aerospace, and medical device markets; and hydraulic hoses, air tank assemblies, and related products to manufacturers of firefighting trucks and other emergency vehicles. In addition, the company engages in the supply of highly engineered forgings for the aerospace, industrial gas turbine, medical prosthetics, alternative energy, petrochemical, and defense industries; and developing and commercializing marketing and data analytic technology applications. The company was formerly known as Hickok Incorporated and changed its name to Crawford United Corporation in May 2019. Crawford United Corporation was founded in 1910 and is headquartered in Cleveland, Ohio.
The LGL Group
NYSE:LGLThe LGL Group, Inc., together with its subsidiaries, engages in the design, manufacture, and marketing of frequency and spectrum control products in the United States and internationally. The company offers NTP Servers, broadband amplifiers, RF distribution, 1PPS distribution, and fiber optic distribution. It also offers time and frequency instrumentation, including frequency standards, time standards, and time code generators. In, addition it offers wide range of ancillary products, such as RF distribution amplifiers, digital distribution amplifiers, time code distribution amplifiers, and redundancy switches. Its products are used in computer networking, satellite ground stations, electric utilities, metrology, broadcasting, and telecommunication systems. The company was formerly known as Lynch Corporation and changed its name to The LGL Group, Inc. The LGL Group, Inc. was founded in 1917 and is based in Orlando, Florida.
Perma-Pipe International
NASDAQ:PPIHPerma-Pipe International Holdings, Inc., together with its subsidiaries, engineers, designs, manufactures, and sells specialty piping and leak detection systems. It offers insulated and jacketed district heating and cooling piping systems for energy distribution from central energy plants to various locations; and primary and secondary containment piping systems for transporting chemicals, hazardous fluids, and petroleum products, as well as engages in the coating and insulation of oil and gas gathering and transmission pipelines. The company also offers liquid and powder based anti-corrosion coatings for external and internal surfaces of steel pipe, including shapes like bends, reducers, tees, and other spools/fittings that is used in pipelines for the transportation of oil and gas products and potable water. It has operations in the United States, Canada, the Middle East, Europe, India, and internationally. The company was formerly known as MFRI, Inc. and changed its name to Perma-Pipe International Holdings, Inc. in March 2017. Perma-Pipe International Holdings, Inc. was incorporated in 1993 and is headquartered in Spring, Texas.