CONNSTEP

Manufacturing Extension PartnershipHartfordCT

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Manufacturers

Showing 1-34 of 34 manufacturers

Seymour-Sheridan, Inc.

Component Manufacturer/Monroe, CT

Custom manufacturer of stainless steel floats and welded bellows.

Founded: 1965Employees: 50-99

Elm City Tools

Custom Manufacturer/Branford, CT

Custom hand tool manufacturer offering design, prototyping, validation, serial production, and private label programs.

Founded: 1870Employees: 51-200

MadisonWater

OEM/Branford, Connecticut

App-connected water leak detection and automatic shutoff systems for buildings.

Lead Times: 1-2 daysFounded: 2015Employees: 51-100

Linde Gas & Equipment Inc.

Distributor/Danbury, Connecticut

Industrial gases, specialty gases, welding supplies, hardgoods, equipment systems and technical gas support.

DrillMasters Eldorado Tool, Inc.

Component Manufacturer/Milford, Connecticut

Milford, CT manufacturer of deep-hole gundrills, rifle barrel tooling, fixtures, accessories, and standard gundrilling machines.

Lead Times: 0-5 daysFounded: 2002Employees: 51-200Revenue: $5M-$10M

Heise Industries, Inc.

Custom Manufacturer/East Berlin, Connecticut

Manufacturer of extrusion blow molds for plastic containers.

Founded: 1965Employees: 100-249Revenue: $10M-$24.9M

XCEL Tool and Manufacturing Company LLC

Custom Manufacturer/Milford, Connecticut

ISO 9001 certified precision machining shop specializing in prototypes, engineering support, custom tooling, and short-run production.

Founded: 2013Employees: 11-50

Southwest CT Manufacturing Partnership

Industry Organization/Bridgeport, Connecticut

Open-entry Southwest Connecticut manufacturing sector partnership connecting manufacturers with training, resources, and regional peer collaboration.

Founded: 2021

MadisonCompany

Component Manufacturer/Branford, Connecticut

Second-generation, family-owned parent manufacturer behind MadisonSensor and MadisonWater, based in Branford, Connecticut.

Lead Times: 4-10 daysFounded: 1959Employees: 11-50Revenue: $10M-$24.9M

Siftex Equipment Company Inc.

Component Manufacturer/South Windsor, Connecticut

Flexible connector solutions for powder and bulk solids processing.

Founded: 1983Employees: 11-51

Bridgeport Magnetics Group, Inc.

Component Manufacturer/Shelton, Connecticut

U.S. manufacturer of toroidal, marine, and medical isolation transformers, dry-type distribution transformers, cores, flat magnet wire, and Laminax shielding tape.

Founded: 1982Employees: 11-50

MadisonSensor

Component Manufacturer/Branford, Connecticut

Family-owned manufacturer of custom and standard liquid level, flow, and temperature sensors for OEM equipment, offering fast-turn float switches, continuous level transmitters, and optical level sensors from its ISO 900...

Lead Times: 0-2 weeksFounded: 1959Employees: 51-200Revenue: $10M-$50M

Tollman Spring Company, LLC

Component Manufacturer/Bristol, Connecticut

ISO 9001:2015 spring, wireform and four-slide stamping manufacturer serving automotive, medical, defense and electronics OEMs from Bristol, CT.

Founded: 1945Employees: 51-200

Orange Research Inc.

OEM/Milford, Connecticut

Family-owned U.S. manufacturer of differential pressure, flow, and cryogenic tank level instruments, including gauges, switches, transmitters, and Cryocombo assemblies.

Founded: 1963Employees: 51-200

Excello Tool Engineering & Manufacturing Company

Custom Manufacturer/Milford, Connecticut

Precision CNC milling, turning, rapid prototyping, and CMM inspection from a 35,000-ft² Milford, CT facility.

Lead Times: 5-6 weeksFounded: 1960Employees: 11-50Revenue: $1M-$5M

Whale Precision Mfg, Inc

Contract Manufacturer/Milford, Connecticut

ISO 9001:2015-certified contract manufacturer providing precision CNC machining and turning for long- and short-run production parts.

Lead Times: 2-4 weeksFounded: 1970Employees: 11-50Revenue: $1M-$5M

Delta-Ray Industries, Inc.

Custom Manufacturer/Bridgeport, Connecticut

Precision machining and assembly of exotic materials for aerospace, military, oil, and commercial sectors.

Lead Times: 2-4 weeksFounded: 2008Employees: 10-19Revenue: $1M-$5M

P&S Manufacturing, LLC

Custom Manufacturer/Bridgeport, Connecticut

Precision CNC milling and turning for semiconductor, railroad, and oil-and-gas industries.

Lead Times: 2-4 weeksFounded: 2007Employees: 1-10Revenue: $100K-$500K

East Coast Sensors, Inc.

Custom Manufacturer/Stratford, Connecticut

Manufacturer of thermocouples, RTDs, thermowells, protection tubes, and specialty temperature sensor assemblies.

Founded: 1991Employees: 11-50

Tyger Tool, Inc.

Custom Manufacturer/Stratford, Connecticut

Full-service precision CNC milling and turning shop specializing in prototype and production parts.

Lead Times: 1-4 weeksFounded: 1989Employees: 8-12Revenue: $1M-$5M

Acme Wire Products Co, Inc.

Custom Manufacturer/Mystic, Connecticut

Family-owned custom wire forming and fabrication company specializing in precision wire products for diverse industries with advanced CNC and robotic capabilities.

Lead Times: 2-8 weeksFounded: 1970Revenue: $10M-$50M

LINK Composites

OEM/Mystic, Connecticut

Specialists in machining, finishing, and assembling carbon fiber components for aerospace, auto racing, and drones.

Lead Times: 2-4 weeksFounded: 2017Employees: 1-10Revenue: $1M-$5M

J. Steele Services LLC

Custom Manufacturer/Mystic, Connecticut

Shop building full-scale naval training simulators and custom metal assemblies.

Lead Times: 2-24 weeksFounded: 2009Employees: 5-10Revenue: $1M-$5M

Swift Innovations, LLC

Custom Manufacturer/Mystic, Connecticut

Short-run CNC cutting, bending, and TIG/MIG welding for architectural, exhibit, and prototype metalwork.

Lead Times: 2-4 WeeksFounded: 2006Employees: 1-10Revenue: $500K-$1M

Components For Manufacturing

Distributor/Mystic, Connecticut

Stocking distributor of fasteners and electronic hardware with ISO 9001:2015 certification serving industrial, electronics, and aerospace markets.

Lead Times: 1-2 weeksFounded: 2000Employees: 1-10Revenue: $1M-$5M

Novo Precision LLC

Custom Manufacturer/Bristol, Connecticut

Vertically integrated manufacturer of precision wire components, CNC-machined parts, custom automation, and lean contract assemblies.

Lead Times: 2-6 WeeksFounded: 1980Employees: 11-50Revenue: $5M-$10M

Straton Industries

Custom Manufacturer/Stratford, Connecticut

AS9100D precision CNC machining, EDM, and FAA repair for aerospace, defense, and semiconductor OEMs.

Lead Times: 2-12 weeksFounded: 1961Employees: 51-200Revenue: $10M-$50M

Sirois Tool Co., Inc.

Custom Manufacturer/Berlin, Connecticut

Custom manufacturer for close-tolerance machining, comparative gaging, EDM, grinding, and inspection.

Lead Times: 1-6 weeksFounded: 1960Employees: 51-200Revenue: $5M-$10M

BML Tool & Mfg. Corp.

Custom Manufacturer/Monroe, Connecticut

Contract manufacturer of stamped, machined, and assembled precision metal components.

Founded: 1968Employees: 51-100Revenue: $5M-$11M

Plymouth Spring Company, Inc.

Custom Manufacturer/Bristol, Connecticut

ISO-certified, ITAR-registered custom manufacturer of precision springs, wire forms, and stampings since 1959.

Lead Times: 3-4 weeksFounded: 1959Employees: 51-100Revenue: $10M-$25M

Glyne Manufacturing Co., Inc.

Custom Manufacturer/Stratford, Connecticut

AS9100D certified rotary swaging, tube end forming, and CNC machining for aerospace and industrial markets.

Lead Times: 3-6 weeksFounded: 1966Employees: 11-50Revenue: $1M-$5M

Frank Roth Co., Inc.

Custom Manufacturer/Stratford, Connecticut

Connecticut manufacturer of flight-critical machined parts and certified weldments for aerospace, defense and industrial markets.

Lead Times: 2-4 WeeksFounded: 1934Employees: 20-30Revenue: $4.3M-$6M

Hannes Precision

Custom Manufacturer/Norwalk, Connecticut

Swiss screw machining shop in Norwalk, Connecticut producing precision turned parts with ISO 9001:2015 certification.

Lead Times: 1-26 weeksFounded: 1973Employees: 10-49Revenue: $1M-$5M

O'Keefe Controls Co.

Component Manufacturer/Monroe, Connecticut

Manufacturer of precision fluid control devices including orifices, check valves, flow controls, and fittings.

Lead Times: 2-6 weeksFounded: 1975Employees: 11-50Revenue: $5M-$10M

Organization Profile Status

  • MFR.ID Created: 4/2/2026
  • Last Updated: 4/29/2026