filters active in Maryland

K&L Microwave is recognized as a world leader in the design and manufacture of RF and microwave filters, duplexers, and integrated assemblies.

The HCPSS is the public school system for residents of Howard County, Maryland. (Click Long Description in About section for more)

Gillespie Precast is a leading manufacturer of precast serving the mid-Atlantic region. We strive for excellent customer service and high quality product!