Colt by IWS®

Manufacturing, fabrication, and up-fitting of premium equipment for the construction, agriculture, and oil & gas industries

Innovative Truck Equipment Manufacturing

Premium equipment designed to meet the complex needs of our clients


High-performance heavy machinery ranging from dump bodies and water tanks to oil field heater, tanks and tools. COLT by IWS specializes in equipment solutions that fit every need of the end user

Parts & Services

Industrial Welding and Supply (IWS)  has been providing services such as equipment repair, commercial welding, crane and rigging services for more than 50 years, as well as providing replacement parts for various pieces of equipment.

 Top-Performing Equipment in Our Industries

COLT by IWS® is here to meet all of your heavy equipment and millwright needs, from custom, cutting-edge manufacturing and fabrication to upfitting, using only high-end components from the steel to the paint. Our lightweight, high-strength trucks, trailers, and bodies are made with the latest in steel tech for long-lasting durability and optimal fuel efficiency.


Our 12-month equipment warranty protects you from potential manufacturing defects.


We source our steel from an ambassador of sustainably sourced and quality raw materials.


Fully customize your equipment to achieve the most efficient on-the-job performance.

Your Truck Equipment Manufacturer and Upfitter

Our high-performance heavy machinery is designed to meet the complex needs of our clients. As we continue to grow, we maintain the personal touch you expect from a local business, including full customization of any equipment.

Elliptical Dump Body

Dump Body

The dump body is our flagship product, built with the best materials to handle the toughest jobs. Let us customize your dump body with the industry’s preferred features, manufactured with HardOx® 500 Tuf steel.

Elliptical Dump Body

Super Dump

Designed to provide unbeatable durability, efficient unloading, and an exceptional payload capacity, this innovative dump body is tailored to meet the demands of the heavy equipment sector.

Elliptical Dump Body

Vacuum Tank

Our vacuum tanks are built with HardOx® steel for long-lasting, reliable service on hydraulic or power take-off shaft-driven chassis. Customize your tank with our extensive list of options and accessories.

Elliptical Dump Body

Water & Mag Tank

The Material Master from COLT by IWS® is a fully customizable water and magnesium chloride tank designed to withstand the most rugged construction location conditions and hauling requirements.

Elliptical Dump Body

Fire Mitigation

COLT by IWS® has water tankers, tinders, and grass and wetland trucks for preventing and controlling fires. Our trucks perform when the heat is on. You can be sure your equipment is going to be there when you need it.

Elliptical Dump Body

Oil & Gas

COLT by IWS® is a leader in truck and equipment manufacturing for the oil and gas industry. We have all your oil field needs covered, from hot oil and fracking trucks and trailers to winch and gin trucks.

Elliptical Dump Body


Let us meet all of your trailer needs for any application with premium equipment that won’t let you down, including pup trailers that will increase the hauling capacity of any of your dump and material bodies.


Crane Services

Construction Equipment Repair and Maintenance

Agricultural Equipment Repair

Truck Parts Installation

Commercial and Industrial Welding

Our Trusted Manufacturers

We take great care in choosing cab and chassis manufacturers to partner with because we know you need equipment and service on which you can rely. Take a look at some of our proud partners.

HardOx® 500 Tuf

Double your service time with the next generation of highly dent and crack-resistant wear plates for dump bodies, buckets, and tanks. HardOx® 500 Tuf has a guaranteed impact energy of 20 ft-lbs. at -4°F and a narrow Brinell hardness window (475 to 505 HBW).


Industrial Welding and Supply has been a parts, repair, and fabrication leader for more than 50 years. What started as a repair and millwright service for the agricultural industry in Colorado is now a full-scale manufacturing outfit serving a nationwide clientele. Today, we have three production facilities for building, painting, and upfitting truck bodies.

Client Testimonials

“Without IWS, Metro Pavers wouldn’t be where we are today. We’ve built 33 dump bodies with them since 2000, and their local presence made them the clear choice. Their reliable fleet and superior products can withstand the toughest jobs. JD’s unmatched service is one of the primary reasons for IWS’s success. We highly recommend IWS for their exceptional customer service, putting the “service” back in the industry.”

Mikey Sasina

Metro Pavers Inc.

I’ve been working with IWS for years now, and their commitment to customer service never fails to impress. HP Oil Field Services continues to choose them because of their high-quality products and willingness to go above and beyond for their customers. IWS has been instrumental in building our reliable fleet of equipment, even creating custom applications for the oil and gas industry. Their dedication to helping with off-the-wall and specialty items sets them apart, and I can confidently recommend them to anyone in need of top-notch products and exceptional customer service.

Austin Peitz

HP Oilfield Services

COLT by IWS has been a game-changer for us. Their expertise in manufacturing and upfitting, along with their exceptional service, have exceeded our expectations. Their water tanks are a smart investment, easy to drain and with double lining to avoid frozen pipes. The elliptical dump bodies are built to last and are the go-to in Colorado. COLT by IWS provides top-notch service from start to finish, without surprises. We highly recommend them as the first choice for anyone in need of reliable equipment and exceptional service.

Justin (JW) Wyatt

Rush Peterbilt

Get In Touch

(970) 522-2206


140 Cucarola Road
Sterling, CO 80751



Mon: 7am – 4pm
Tue: 7am – 4pm
Wed: 7am – 4pm
Thur: 7am – 4pm
Fri: 7am – 4pm
Sat: Closed
Sun: Closed

Have a question? We’re here to help.

Send us a message, and we’ll get back to you within 48 hours, or give us a call at the number below.