About Us

The Swanson® Speed® Square and the One-Number Method™ of determining the angular pitch of a roof were first developed in 1925 by a carpenter named Albert J. Swanson. As his fellow tradesmen began to appreciate the ingenuity of his idea, they wanted their own Speed® Squares. Swanson began to hand-make the squares to fill requests for the tool. Demand for the work-saving tool continued to grow, and in 1930 the Swanson® Speed® Square was first sold in interstate commerce. By 1945, Swanson started Swanson® Tool Company, Inc., to manufacture and sell the Swanson® Speed® Square through recognized channels of distribution. His son, Ronald C. Swanson, assumed control of the company in 1971 and added other quality tools to the line.

Today Swanson® Tool Company continues to proudly manufacture and distribute the Swanson® Speed® Square and other fine carpentry tools from its headquarters in Frankfort, Illinois. Under the direction of the Allemand Family, who purchased the company in 1989, the Swanson® product line has been upgraded and expanded to meet the changing needs of loyal customers, contractors and do-it-yourself enthusiasts.

Quality You Ask for by Name™
A hammer, a screwdriver, a saw… how many tools are requested by name? The Swanson® Speed® Square is one of the few tools whose name is known by contractors and do-it-yourself enthusiasts worldwide. We believe the exacting quality and accuracy of our products have kept the Swanson name on the minds of customers for more than 75 years.

Some of the recent upgrades included in the Speed® Square are finer gradations for better accuracy, black-filled gradations for easier reading, matte finish to prevent glare and most recently the Diamond™ cut out. This feature makes layout work and seat cuts on common rafters easy and is one of the exclusive trademarks of the Swanson® Tool Company.

From the one and only Speed® Square to the complete selection of Speed®Line tools, Swanson® products are the definitive measure of quality and craftsmanship. Ask for them by name!

To Become the WORLD’s LEADING Provider of Measuring, Marking and Layout Tools with the most RECOGNIZED and RESPECTED Brand Names in the industry…

Core Competencies: SQUARE
Service—provide superior customer service
Quality – Provide the highest quality products
Ultimate Innovation- Promote real innovation
Authentic Relationships —Real Long Term Partnerships
Realized Value-Mutually profitable


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