Twigg Corporation

Hygrade Precision Technologies, LLC

Hygrade Precision Technologies, founded in 1962 by John J. Salce, currently operates in a 40,000 square foot facility located in central Connecticut. We specialize in precision contract machining, grinding, and lapping services.


Hygrade is known as a Single Source Metal Finisher, maintaining many niche services as well as complete machining capabilities. We target the higher technology markets of today, keeping a focus on both our present and future goals. We service the Aerospace, Automotive, Commercial, Homeland Security, Medical and Power Generation industries.


Hygrades capabilities and services include CNC multi-axis machining, ID/OD grinding, flat lapping and grinding, and testing and inspection services, including CMM inspection and surface temper etch services. 


Hygrade has been ISO approved since September of 1997 and AS9100:2001 approved since November of 2007. Hygrade was initially approved by NADCAP in January of 2004 for Aerospace quality system (AC7004) and Chemical Processing More... (AC 7108). NADCAP stands for National Aerospace and Defense Contractors Accreditation Program, and is required by companies such as GE, Rolls Royce, Boeing, Bombardier, Pratt and Whitney, and Sikorsky aircraft. Hygrade is audited annually for compliance.

Electron Beam Engineering

Electron Beam Engineering provides precision electron beam and laser beam welding services throughout the United States and Europe, specializing in working with complex components. We are known for our outstanding quality and fast turnaround, and our technical staff is always available for consultation. We provide design assistance for all customers regarding their products including, but not limited to, the use of laser beam and electron beam welding. We are thankful for our hundreds of loyal customers, many of whom have been with us for over 15 years.

Correct Tool, Inc.

SWS-TRIMAC, Inc.

SWS-Trimac, Inc. has been providing electron beam and laser welding, laser cutting, CNC machining, plus destructive and non-destructive testing services to the automotive, aerospace, biomedical, chemical, defense and other markets since 1967. We specialize in joining metals: from the standard 1018 carbon and stainless steels to the more exotic aerospace-grade aluminum, titanium, copper, nickel and cobalt alloys. From small-lot prototype development to large volume turnkey production, we are a contract manufacturer that consistently meets customer specification and timing requirements.


SWS-Trimac, Inc. has been serving the needs of the bio-medical, defense, aerospace, automotive, and machine tool industries for 50 years.

Martinez & Turek, Inc.

J&E Manufacturing Co.

J & E MANUFACTURING is a multi-plant operation with over 225,000 square feet of production space to provide our customers with an extensive range of precision metal fabrication services.


Our in-house metal fabrication services include custom metal manufacturing capabilities from precision sheet metal components and machined parts, to elaborate, fully assembled, high-cosmetic liquid paint or powder coated complete units. With a core competency built to support a wide range of industries including medical, aerospace, commercial, agricultural and more, J & E has the capabilities to handle your precision metal fabrication projects with experience and excellence.

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Suppliers of CNC Machining specializing in Quality Control, Quality Control, Quality Control, Quality Control, Quality Control, Quality Control, Quality Control, and Quality Control for Aerospace and Governmental

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