SEI Technologies

SEI Technologies is a precision machining, fabrication, welding and design company in North Carolina. It was formerly known as Solomon Engineering. The company has shops in Hickory and Harrisburg and an office in Concord. It also has an international sales office in Apache Junction, Arizona.

The site says the company has delivered work since 1997. It was approved as an aerospace supplier for the Department of Defense in 2001. It acquired American EDM and Tool in 2013, Dutterers' Precision Machine in 2017 and Williamson Machinine in 2020.

The company offers welding, CNC machining, grinding, EDM, vacuum heat treating and NDT. It also offers manufacturing, assembly and repair and overhaul work. The site says it works with nickel, carbide, titanium, aluminum and ceramic composites.

The company also does reverse engineering and quick turnaround work. The site says it handles complex parts, design and machining in one place. Its specialists have years of experience in tool making and aerospace manufacturing.

The site says the company serves aerospace and defense clients. These include the United States military and its allies. The company says it makes products and repairs parts for these customers.

The site lists ISO 9001:2005 and AS9100D certifications. It also lists ITAR registration.

The company planned a move from a 4,800 square foot site in Harrisburg to a 30,000 square foot facility in Concord. The Concord site handles EDM, machining, and tool and die work. The Hickory site handles aerospace manufacturing and repair. Customers can call 828-855-1652 or send a request through the web form. The Hickory address is 340 9th Street SE. The Concord address is 2730 Zion Church Road.