For quickest answers, phone us during the hours listed below. You'll reach a real person, not “voice mail”!

“To save money, use ‘Text-Chat’ or ‘Email’ button. We provide same business-day responses.”

Telephone (main switchboard)

Corporate Headquarters USA Sales: 1-866-DYNOMITe (or 1-866-396-6648, Monday thru Friday, 8:00 am to 6:00 pm EST)

United Kingdom Sales:  0-808-101-3456 (Monday thru Friday, 8:00 am to 6:00 pm EST)

Australian Sales: 1-800-884-107 (Monday thru Friday, 8:00 am to 6:00 pm EST)

All other International Sales: (from outside the USA or Canada) +1-603-226-3966

Support: +1-603-226-DYNO (from Monday thru Friday, 8:30 am to 5:30 pm EST)
         (or from outside the USA) +1-603-226-3966

Catalog requests

Catalogs:  Telephone our main switchboard (see numbers above) or visit Catalog-Request page.

Electronic mail, etc.

Employment:  Send resumes to "Personnel Department" at above postal address, or use our Personnel File Form

Sales: Phone our main number above, for free personalized technical sales assistance, or e-mail - (include daytime phone number, address, and ordering details). See Terms of Sale for full ordering information

Support: Product owners may phone our Support number above, to obtain product technical assistance, or e-mail -

Webmaster: (for website-access problems only)


(603) 226-4FAX (include your return fax and daytime voice phone numbers.)
(From outside the USA) +1-603-226-4329

Postal, Shipping, or Visiting (Corporate Headquarters USA)

Address: DYNOmite Dynamometer 25 Henniker Street; Concord, NH 03301-8528 USA

DYNOmite demos: Are available at our Concord, NH training facility, and may be prearranged for weekday business hours (9:00 am to 4:00 pm). See where we do hands-on factory training (in our half-dozen demo engine cells or our 2WD, AWD, snowmobile, truck, and motorcycle chassis bays) and a sample of the interactive, software course.

Will-Call pick-ups: May be prearranged, at our Concord, NH manufacturing plant, for weekday business hours (9:00 am to 4:00 pm).

Terms of Sale

About Us: Click to learn about DYNOmite Dynamometer

Terms of Sale: Review before ordering.

Videos: Click to video tour our factory.

Warranty (dyno hardware): Click to read.