A diverse portfolio of ASPHALT PRODUCTS
backed by reliable, quality-driven service

The consistent quality of our asphalt products stems directly from sourcing through a substantial and diverse North American refinery network, and from applying a robust quality assurance protocol in all our lab work and product processing. As a result, SWT Group can offer a wide variety of base asphalt and specialized blends customized to the most demanding specifications.

Foundry and Coatings


Roofing Industry

SWT Group supplies base asphalt, asphalt cutbacks and oxidized asphalts to the roofing industry. Applications include roofing shingles, membranes, coatings, mastics and adhesives. We are proud to support the North American roofing industry through memberships in the Asphalt Institute, RCMA and ARMA.


  • Base asphalts & fluxes
  • Customized asphalt blends
  • Asphalt cutbacks
  • Oxidized asphalts
  • Asphalt extenders

Foundry Coatings

We supply North America’s ductile iron pipe industry with formulated low-smoke, low-odor coatings, all individually tailored to each customer's specific needs.


  • Hot melts
  • Emulsions
  • Asphalt cutbacks



Paving Maintenance

SWT Group supplies a wide variety of asphalt products used in the paving industry and in asphalt surface maintenance. With 40+ years of experience, we are a reliable partner to paving maintenance companies all over north America.


  • Customized asphalt blends
  • Asphalt cutbacks
  • Driveway sealers
  • Emulsion basestock

Base Asphalts

SWT Group offers a wide variety of base asphalts for the paving industry. We guarantee consistent crude supplies as the source of all our base asphalts.


  • Performance grade asphalts (PG grades)
  • Specialty hard and soft PEN grade asphalts
  • AC graded asphalts
  • PDA and VTB asphalts

A network of locations throughout North America

SWT Group prides itself in providing seamless and worry-free solutions for your bulk asphalt needs
via barge, rail or truck. The right asphalt, right when you need it.

Terminalling Map

A fully accredited AASHTO R18 and
ASTM D3666 asphalt laboratory

Through its subsidiary, Warrior Asphalt Inc., SWT Group offers a comprehensive range of accredited laboratory
services designed to assist clients in optimizing and certifying asphalt-based formulations. Our laboratory
performs testing on in-house products and provides third-party lab services.



SWT Group offers product formulation or troubleshooting services, polymer or additive evaluations, pilot blending, and analytical testing.

Asphalt Testing


We also offer production scale-up services, pilot still oxidation and feedstock evaluation services, as well as a full range of PG (Performance Graded), conventional asphalt binders, and roofing and industrial coating testing services.

Certification Lab


Product certifications and compliance testing are performed by our certified technicians giving you the confidence and assurance that your products meet or exceed Agency or internal specifications.



WT’s Warrior-based laboratory maintains a professional Quality Management System that has been accredited meeting both AASHTO R18 and ASTM D3666 (Asphalt Binder) requirements. Our laboratory accreditation includes AASHTO R28, R29, T44, T48, T49, T51, T53, T228, T240, T301, T313, T315, T316, T350, and ASTM D5, D36, D70, D92, D113, D2042, D2872, D4402, D6084, D6521, D6648, D7175, D7405 tests.

Product Data Sheet available upon request

Please email us at info@swtgroup.com or call 519-967-0020. 

Safety Data Sheet available upon request

Please email us at info@swtgroup.com or call 519-967-0020. 

Nurse Mural

Front Line Health Care Workers Mural

On the back wall of SWT’s building is a commissioned painting by artist Daniel Bombardier. The mural, which overlooks a parking area used by a nearby hospital’s staff, was commissioned as a thank you to all the Front Line Health Care workers for their ongoing efforts in ensuring the best of care for their community.

Quality Policy

ISO 9001

January 1, 2024

SWT Group is committed to providing quality products and services to our customers by establishing, implementing, and monitoring quality objectives, procedures and policies in compliance with the quality standards of ISO 9001:2015.

The Leadership Team is responsible for providing strategic direction for the SWT Group of Companies and strives to continuously improve our business. We request input from all SWT Group stakeholders on how we can improve our Quality Management System, enabling us to meet or exceed customer expectations.

Quality Objectives are established based on customer needs and expectations. Those objectives are communicated to all employees, who are encouraged to provide honest feedback and accept ownership of the objectives as they relate to their job function.

SWT Group is committed to providing the appropriate resources to allow the company to grow and prosper by encouraging training for our employees to remain skilled in their respective job functions and to ensure customer satisfaction.

Key Performance Indicators (KPI’s) representing a diverse cross section of our business are established and analyzed on a weekly basis. These include people, sales, supply, and financials.

Asphalt Institute