24/7 Emergency Service! (309) 662-8481


Since 1976, when something isn’t working in Central Illinois, home and business owners have consistently made one call -- Wm. Masters. We provide commercial and residential services to our family, friends, neighbors and community right here in Central Illinois.

Whether you need residential or commercial services, with a team of 80 employees, rest assured that we will take care of you. Our expert technicians are equipped with the most up-to-date training and tools to provide you with prompt and dependable service 24 hours a day, 7 days a week.

“Tory came out this morning in the midst of some challenging weather and did another outstanding job of servicing our air conditioning. I can’t sing his praises highly enough. He has always been so good to us over the years. We just find the level of customer service we receive at Wm. Masters including the office staff to be exemplary.”

Mission Statement

At Wm. Masters, we live by our mission statement, “Provide each customer with quality workmanship on a timely basis at a competitive cost,” every single day. Our mission statement is based on our values, which are ingrained in the services we provide and each member of our staff.

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What Can We Make Work for You Today? Contact a Wm. Masters Technician Now!

Our History

William (Bill) Masters started Wm. Masters in the small town of Forrest, IL in 1976 as an electrical contractor. He soon added heating & air conditioning, and plumbing divisions, and relocated to Bloomington, IL in 1984.

As the business has grown over the years, with the addition of new locations and services, Bill's sons Ron and Aaron have joined the management & ownership team and continue to build the Masters’ legacy, which is built on trust and tradition that has been the core of Wm. Masters Inc.’s success. More than anything, they feel privileged to serve the families and businesses of Central Illinois.

Wm. Masters Values

  • Take pride in your work
  • Do the complete job without taking shortcuts
  • Provide the same high-quality work each and every time
  • No job is too small or too large
  • Always provide outstanding customer service, striving for 100% customer satisfaction
  • Maintain competitive rates

Service & Administrative Team

Get to know us by allowing Wm. Masters to serve you and your family.


Karen T.

Service Dispatcher & CSR


Lindsey M.

Service Dispatcher & CSR


CSR & Service Dispatcher


Brad S.

HVAC Service Technician

Tory K.

HVAC Service Technician

Gary G.

HVAC Service Technician


Sean M.

HVAC Service Technician


Ryan D.

HVAC & Plumbing Service Technician

Brandon P.

HVAC Service Technician

Ben N.

HVAC Service Technician

Mark T.

Plumbing Service Technician

Tyler H.

Plumbing Service Technician

Bryan T.

Plumbing Service Technician

Kyle C.

Plumbing & HVAC Service Technician

Dale S.

Plumbing Service Technician


Randy C.

Electric Service Technician

Dylan J.

Electrical Service Technician

Jason M.

Electrical Service Technician

Trey S.

Electrical Service Technician

Jeremy A.

Electrical Service Technician

Ben C.

Installation Technician

Zac S.

Installation Technician

Gabe K.

Installation Technician

Tanner W.

Installation Technician

Buster B.

Installation Technician

Tom Forney

Commercial HVAC Estimator

Kevin Eisenmann

Commercial HVAC Project Coordinator


Tiffany Masters

Commercial Electric Estimator

Barry Hooker

Production Manager

Mike Graves

Plumbing Estimator

Shawn McGuire

Project Consultant

Deron Penn

Project Consultant


Curt Fleming

Commercial Electrical Estimator


Debbie H.


Kim H.

Accounts Receivable


Accounts Payable


Accounting Assistant

Ben Knochel

CFO and Co-Owner


Ron Masters


Aaron Masters