Allied Equipment salesman regularly attend manufacturer training programs at the various factories we represent, assuring our customers up-to-date product and installation information.

Mike Cassell


Mike has worked in the HVAC rep business since 1979, and has been involved with many key projects throughout northeast Ohio over the years.

John Sampson

Inside Sales

John has managed inside sales at Allied Equipment since 1975 and has lived the evolution of many products and installations. He is a wealth of information and experience.

Jason Barlow, PE

Sales Engineer

Jason joined Allied Equipment in 2007 and brings his training and previous 11 years of work in contracting and consulting engineering to our sales force. He continues to take advantage of all training opportunities available.

Jason is a graduate of Pennsylvania State University, Ashland University's MBA program, a licensed engineer in the state of Ohio, and is active in ASHRAE and ASPE.

Jeff Mattocks, PE

Sales Engineer

Jeff trained as an Electrician in the US Navy before earning a BSME at the University of Idaho. He then went back to the Navy and served as Operation Officer in the Persian Golf Minesweep and as Chief Engineer on the Knox class frigate (1200 PSI main steam propulsion plant).

He brings his extensive hands-on experience to every job he works on. Further, Jeff is a licensed engineer in the state of Ohio, and is a member of ASHRAE and ASPE.

Sean Mallon

Sales Engineer

Sean has served the Youngstown/Warren area of northeast Ohio for over 20 years. Well known and recognized for his commitment and service to the area, Sean is familiar with the particulars of the region. He has attended all the available factory training for Allied Equipment product lines.

Mark Howell

Sales Engineer

Mark brings broad experience to Allied Equipment Company's sales staff including seven years of design work in medical research and commerical HVAC.    He has earned a Mechanical Engineering degree from the University of Akron as well as a Masters in Business Adminsitration through Cleveland State University.

Mark is an active member of ASHRAE and ASPE.

Office Staff

For those occasions when sales people are not available, you will find helpful, knowledgeable assistance from JANET THOMPSON, Office Manager, and KAREN JOHNSON. Both are happy to check on delivery, track shipments, or other tasks whenever possible.