DPA Microphones
Condenser microphones. Studio and wireless microphones for professional audio engineering. Microphone dictionary and techniques.
http://www.dpamicrophones.com/

Microphones.Com
Microphones for computers, speech recognition, internet telephony, voice recognition, cellular phones, Headsets, USB microphones, wireless, cellular phones, professional audio, karaoke, cameras, meetings, conferencing, portable sound systems, portable recorders, surveillance, miniature microphone, store
http://www.microphones.com

Directional Boring Central
News and Information for Directional Boring Professionals
http://www.directionalboringcentral.com/

Precision Directional Services
PDS is located in Katy, Texas and offers all phases of directional boring around the U.S.A.
http://www.fortunecity.com/business/ecommerce/1406/

HandsfreeUSA
HandsFreeUSA is your source for earpieces and headsets for two-way radios, Nextel phones, and cellular phones. You will find tactical earpieces, headsets, surveillance kits, throat mics, remote shoulder mics and more for Security, Law Enforcement, SWAT and Military as well as earpieces and headsets that are perfect for cellular hands free conversations behind the wheel and in the office.
http://www.handsfreeusa.com

Guandong Enping Sanying Electronic Manufactory
Manufactures conference microphones, multi-channel wireless microphones, didactical electronic equipment.
http://www.epsy.com.cn/

InSync Speech Technologies
Dragon speech recognition software, Andrea microphones, "Buddy" line of USB microphones. Canadian based.
http://www.dragonsys.ca

Kenbotong Communication Ltd
Antenna manufacturer and exporter of directional and omni-directional antennas, handportable, car mobile, and cellular telephone antennas.
http://www.kenbotong.com/

Laney Directional Drilling Co.
Humble, Texas based construction firm specializing in directional drilling.
http://www.laneydrilling.com/

Hascall-Denke
Base station antennas include broadband omni-directional as well as directional antennas.
http://www.hascall-denke.com/antenna.htm