State of the Art Precision Machining

We continue to invest in developing innovative machine tools using the most advanced computerized controls and operated by experienced technicians. Guill endeavors to be the most cost efficient manufacturer while adhering to a “Continuous Improvement” quality principle.

Manufacturing Expertise

  • CNC Lathes
  • 4 Axis CNC Mills
  • 5 Axis CNC Mill 20″ Table
  • CNC Turn/Mills


  • Stainless Steel
  • Monel
  • K-Monel
  • Inconel
  • Hastelloy
  • HY-80
  • HY-100
  • Plastics and More


We have a large network of sub-contractors for special processes and turn-key solutions.

Let's See How We Can Help

Blanket Orders

We are able to fulfill blanket orders for a variety of products. Please contact a representative to let us know what your needs are and we will be happy to help you with projects such as:

  • Turn-key machining and assembly projects
  • Custom hand & bench assembly tools
  • Replacement parts

Custom Assemblies

  • Air Test
  • Hydro Test up to 10,000 psi
  • Machine Building
  • Product Assembly
  • Turn-key Projects
  • Weldments


We are capable of manufacturing flanges up to 25″ in diameter according to your blueprints or specifications for the following industries:

  • Navy Ships & Submarines
  • Commercial Maritime
  • Commercial Nuclear
  • Chemical
  • Pharmaceutical
  • Plastics
  • Rubber

Hand and Bench Tools

  • Manufactured to your design
  • Fiber Optic Cleavers
  • Fiber Optic Splicers

Nuclear Plant Material

Ask about our Special Emphasis Program (Level 1 / Subsafe)

  • FSC: 4730, 4810 & 4820
  • Manufactured Parts
  • Pipe Fittings
  • Valve Assemblies

Special Fittings & Components

  • Manufactured from Blueprint
  • Custom Designed

Toolmaking & Prototype Machining

In addition to what is listed below, see our Facilities List for a more extensive list of our capabilities:

    • Wire & Die Sink EDM
    • I.D. & O.D. Grinding
    • Surface Grinding


Machining Range

Our machining capacities include 4 & 5 Axis Machining Centers, Wire EDM capable of machining material measuring 15 inches cubed, and small hole machining to .008 inches diameter.

Engineering Services

Our exceptional team of engineers are available to help you design the parts that you require. Our staff and facilities are equipped with advanced engineering expertise and software.

  • AutoCad
  • Camworks
  • Computer Flow Simulation (CFD)
  • Solid Works
  • Teksoft

We're Here To Answer Your Questions