Precision Tools for Fire-Sprinkler Professionals
Manufactured in Athol, Idaho, and trusted nationwide, our tools were built for one purpose: to make your job faster, cleaner, and more reliable.
Our Values
Decades of Tools That Just Work
Harold Allen Company designs and manufactures highly specialized tools for the commercial fire-suppression and pipe-fitting industry. Our products aren’t mass-produced. They’re engineered for professionals who need precision, durability, and performance every single time.
Whether you’re draining a system, cutting into a line, or aligning a new drop, our tools are built to make the job easier — and eliminate costly mistakes.
Our Tools
Professional-grade.
Jobsite-tested.
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On-Center 3
$59.95Our latest and most popular time-saving tool.View Product -
On-Center 2
$75.95A magnetic center punch and level combination that accurately locates holes to be drilled into…View Product -
Saddle-Up Jr.
$515.95A one-piece, lightweight drill press that securely mounts to pipe in seconds.View Product -
Dual Vac
$3,500.99The Dual Vac removes water from drop pipes while you change sprinklers, saving time and…View Product
About Us
Our Story
Harold Allen Company was founded in Idaho by Harold Allen, a fire-sprinkler professional who saw a need for better tools — tools that made the job faster, safer, and more precise.
Today, the company is run by family who continue to manufacture every tool with the same hands-on approach, personal accountability, and obsession with doing things the right way.
We’re small by design. That’s how we stay focused on quality, consistency, and providing the kind of customer service you simply don’t get anywhere else.
Why Our Tools
Why Fire-Sprinkler Pros Choose Harold Allen
Proven Performance
Tools used nationwide in commercial and industrial fire-suppression systems.
Built to Last
Built to hold up to daily jobsite use, so you spend less time on returns and replacements and more time on the job.
Accurate & Reliable
Every product is engineered to remove friction from the job.
Made in Idaho
Small-batch manufacturing with tight quality control.