Manufacturing of intercommunications systems, including inductive paging systems (selective paging), excluding telephone and telegraph

Facility	City	State	Employees	Status
HTHaven Technology Corporation	Riverside	CA	—	◐ LIKELY ACTIVE
Industrial Video & Control CO LLC	Newton	MA	—	◐ LIKELY ACTIVE
Invisio Communications INC	Chicago	IL	—	◐ LIKELY ACTIVE
J. O'brien Company, INC.	Springfield	NJ	—	◐ LIKELY ACTIVE
Lucca Ventures, INC.	Southington	CT	—	◐ LIKELY ACTIVE
Mt Rf LLC	Lewisville	TX	—	◐ LIKELY ACTIVE
National Time and Signal CORP	Wixom	MI	—	◐ LIKELY ACTIVE
Neio Systems LLC	Los Angeles	CA	—	◐ LIKELY ACTIVE
On Scene Technology, INC.	Griffin	GA	—	◐ LIKELY ACTIVE
PLPacatlantic, LLC	Bethlehem	PA	—	◐ LIKELY ACTIVE
Pano Ai, INC.	San Francisco	CA	—	◐ LIKELY ACTIVE
Parabit Systems, INC.	Bellmore	NY	—	◐ LIKELY ACTIVE
Path Master, INC.	Twinsburg	OH	—	◐ LIKELY ACTIVE
PTPractical Technologies, INC.	Middle River	MD	—	◐ LIKELY ACTIVE
Qbeam, INC.	Leesburg	VA	—	◐ LIKELY ACTIVE
Response Technologies, LTD.	West Chester	OH	—	◐ LIKELY ACTIVE
Sensource, INC.	Austintown	OH	—	◐ LIKELY ACTIVE
Shadowtrack Technologies, INC.	Covington	LA	—	◐ LIKELY ACTIVE
Signal Communications CORP	Woburn	MA	—	◐ LIKELY ACTIVE
Sonotronics INC	Tucson	AZ	—	◐ LIKELY ACTIVE
Southern One Technology & Associates LLC	Palm Harbor	FL	—	◐ LIKELY ACTIVE
Taccom LLC	Lovettsville	VA	—	◐ LIKELY ACTIVE
Bosch Security Systems INC	Burnsville	MN	100–499	◐ LIKELY ACTIVE
CPCanoga Park	Canoga Park	CA	1–19	◐ LIKELY ACTIVE
ECEconolite Control Products INC	Anaheim	CA	—	◐ LIKELY ACTIVE

FactoryRegistry lists 740 facilities whose primary industry classification is one of the 1 industry above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced intercommunications systems, including inductive paging systems (selective paging), excluding telephone and telegraph, in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.