Wilco Services

Our team has extensive experience in various industries and can provide high-tech solutions to complex mechanical design and development problems.


Wilco services include engineering and design services, fabrication, welding, machining, and paint and coatings.

Engineering and design services

With extensive experience in different industries, we offer high-tech solutions to complex mechanical design and development problems. We provide highly skilled solutions performed using the latest design tools, including solid modeling and finite element analysis (FEA). Our engineering team provides design verification calculations to meet requirements for a variety of verification entities, including submissions for governing authorities for the United States and internationally.

Our design expertise includes:

  • DOT trailers, including hazardous materials transports
  • ASME pressure vessels with a wide range of pressure applications
  • Specialty equipment, such as mixing equipment for fluid and dry bulk handing
  • Lift frames for heavy transportable equipment
  • Dry and wet bulk material storage and blending plants
  • High-structural-strength stationary and rolling equipment
  • Compressed natural gas storage
  • Equipment for tough, rugged use

Our engineers have 43 years of cumulative experience, specializing in custom design and development to your specifications. We are available for your project from concept to completion.


Our sheet metal fabrication has the experience and capabilities to fabricate an extensive array of carbon steel, stainless steel, and aluminum raw materials. Our sheet metal fabrication equipment includes CNC lasers, CNC press brakes, CNC metal-cutting tables, CNC punch/plasma, shear, plate rolls, and more.


Our Marlow and Duncan, Oklahoma, industrial park facilities hold National Board Certification with U, U2, and R stamps. Our certified welders have broad-based experience in tungsten inert gas (TIG), metal inert gas (MIG), stick, and sub-arc welding procedures, including a high-level expertise in DNV and ABS work. Our facilities include more than 150 individual welding stations and shop bridge crane lift capacity up to 10 tons.


We have the capability of producing large or small machined components and tools for your business. Our automated CNC machines can handle precision machining projects as well as large-volume projects. Our lathe capabilities can chuck up to 32 in. with 125-in. work length (7.5-in. through hole), and our mills have four-axis capabilities with up to 50-in. × 24-in. tables.


We have over 150,000 ft2 of floor space dedicated to medium- and heavy-equipment assembly processes, including 10-ton bridge crane lift capability. Experienced assembly technicians and electricians focus on superior quality when building hydraulic, pneumatic, and electrical systems to ensure the finished product always meets or exceeds your expectations.

Paint and coatings

Our paint and coatings facilities include multiple drive-through booths ranging in size from 50 to 100 ft in length as well as a dedicated paint carousel for handling small components. Our industrial painting processes are capable of applying all industrial inland or marine offshore coatings. Metal profiles are accomplished with steel grit as well as traditional aggregates.


Wilco Certifications and Codes

Engineering design code compliance
  • ASME Sec. VIII, Div. 1 pressure vessels (U stamp), ASME Sec. VIII, Div. 2 pressure vessels (U2 stamp)
  • DNV 2.7-1, 2.7-2, 2.7-3, OS-101
  • ABS, SEPco. OPS0055
  • API RP-2A
  • Worley Parsons
  • Bureau Veritas
  • ANSI/AISI/ASCE environmental loading, mechanical stability
  • AWS Codes and Standards
  • ASME B31.3
  • ASME B31.1
  • API 620, 650
  • NR-13
Wilco NAICS codes 326191, 332311, 332312, 332313, 332420, 332439, 332710, 332996, 332999, 333111, 333132, 333924, 336211, 336212, 336214, 336370, 336413, 423720, 507430, 507406, 562998, 811219
Certificates and registrations
  • Certificate of Authorization to offer engineering services with PE on staff
  • Registered with the National Board of Boiler and Pressure Vessel Inspectors
  • Resources
    • Wilco Capabilities and Services Brochure

    Image of an employee spray painting a piece of equipment
    Painting and coatings
    Back side image of a man welding a spherical equipment
    Over 250,000 sq. ft. of manufacturing space
    Image of a man welding a piece of equipment from the side
    A team of engineers discuss their work
    Engineering and design services
    Image of a man Welding a piece of equipment rod from the front
    Image of a man using an automated saw cutting device
    Highly trained professionals

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