Telecommunications · CT
Telecommunications manufacturers in Connecticut
20 domestic telecommunications suppliers in Connecticut. Enclosures, RF hardware, and assemblies for network and wireless infrastructure, where signal integrity, weatherproofing, and consistent high-volume quality keep networks online.
#19
of 49 by manufacturers listed
- 20
- In this state
- 1.3%
- Share of industry
- 8
- Set-aside registered
- 5
- Federal track record
of 20 on this page
of 20 hold awards
Standards that matter in telecommunications
3 to specify- ISO 9001:2015
- IPC-A-610
- UL Listed
Listings carry the federal set-aside registrations a company filed in SAM, not its quality-system certificates. Ask each shop for the current certificate and its scope before you release a drawing.
Telecommunications suppliers in Connecticut
all 20- 1

Trumbull, CT · est. 2023
Electronics & Instruments
Small disadvantaged—
- 2

Rocky Hill, CT · est. 1989
Electronics & Instruments · Industrial Distribution
—
- 3

Stratford, CT · est. 2014
Electronics & Instruments
Small disadvantaged—
- 4

Torrington, CT · est. 2017
Electronics & Instruments
—
- 5
Wallingford, CT · est. 1969
Electronics & Instruments · Transportation & Aerospace
$7.6M
- 6

Colchester, CT · est. 2006
Electronics & Instruments
Veteran-owned—
- 7
North Grosvenordale, CT · est. 1997
Electronics & Instruments · Electrical Equipment
—
- 8

Fairfield, CT · est. 2001
Electronics & Instruments
—
- 9

Glastonbury, CT · est. 2005
Electronics & Instruments
Veteran-owned—
- 10
Southington, CT · est. 2016
Electronics & Instruments
—
- 11
Monroe, CT · est. 2002
Electronics & Instruments
$662K
- 12

Southington, CT · est. 2011
Electronics & Instruments · Industrial Distribution
Small disadvantaged—
- 13

Watertown, CT · est. 1903
Electronics & Instruments
—
- 14
Milford, CT · est. 2004
Electronics & Instruments · Engineering & Testing
Veteran-owned$6.7M
- 15
Greenwich, CT · est. 2005
Electronics & Instruments
—
- 16
Danbury, CT · est. 2007
Electronics & Instruments
—
- 17
Cheshire, CT · est. 1971
Electronics & Instruments
Veteran-owned—
- 18
Oxford, CT · est. 2015
Electronics & Instruments
$1.7M
- 19

Wallingford, CT · est. 2006
Electronics & Instruments
$3.8M
- 20
New Britain, CT · est. 2025
Electronics & Instruments · Electrical Equipment
Small disadvantaged—
1–20 of 20
Telecommunications in other states
48 states- California292
- Florida143
- Texas120
- New York91
- Virginia83
- Maryland69
- New Jersey66
- Illinois50
- Georgia46
- Pennsylvania46
- Colorado45
- Massachusetts43
- Arizona38
- North Carolina33
- Washington30
- Ohio29
Other industries in Connecticut
42 verticals- Metal Fabrication333
- Aerospace128
- Instrumentation, Test & Measurement95
- Chemical Processing80
- Industrial Machinery71
- Electrical Equipment & Components66
- Consumer Products63
- Signage, Printing & Marking53
- Electronics50
- Medical Devices49
- Robotics & Automation49
- Pulp, Paper & Packaging42
- Building Products & Materials41
- Wire, Cable & Interconnect39
What buyers specify in telecommunications
3 requirements- 01RF enclosure and cabinet fabrication
- 02Electronics assembly to IPC-A-610
- 03Weatherproof outdoor hardware and finishing
Everything made in Connecticut, not just telecommunications.
Connecticut state hub